stunthanger.com
Electric Stunt => Gettin all AMP'ed up! => Topic started by: Bob Hunt on June 12, 2011, 07:06:10 AM
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Since I ran out of time to do a proper job on my new "Second Wind" twin and get it ready for the Nats, I decided to finish up the Crossfire that I started last year instead.
Here are a couple of photos of it during the painting process. I've since added the name and numbers using painting stencils that Phil Granderson made for me. They were perfect and incredibly easy to lay on the model. I am using Chroma Base Dupont paints on this one, and this paint covers so well that the edge produced by the stencil is almost imperceptible. I'll try to take a few shots of it just before the clear goes on this week.
This one will have an E-Flite 25 motor and a Phoenix 45 ESC. I'll use Hyperion 4S 4000mAh battery packs and, of course, a Hubin timer. The estimated weight will be 58 to 59 ounces with the battery on board. That is equivalent to a glow model without fuel at 52 to 53 ounces! The wing area is 670 square inches, so this one should be plenty light.
Later - Bob Hunt
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That is awesome. H^^
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The "look" is incredible, Bob. I am sure that you will be competitive with this set up!
Bill
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Wow, looks good Bob.
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Thanks, guys for the nice comments. I have been told by many for years that the Genesis (rudderless) look was very dated (outdated really...) and that I needed to go to a design with a rudder. Years ago I took a long sabbatical from CL Stunt and flew a bunch of RC pattern. I designed a ship for RC that used a lot of my CL thinking and called it the Crossfire. The name came from the crossfire of technology from CL to RC.
I came back to CL in 1987 and brought some of what I had learned in RC back to CL, and again built a ship and called it Crossfire. Only this time it was a reversal of the theme... I had found the value of a rudder!
That first Crossfire was the first dedicated piped CL stunt model and was built in haste to get it ready for the 1987 Nats. I had lost a bit of my light-weight building touch those years in RC and the original Crossfire weighed in at 64 ounces! Ouch! It flew okay, but it did show its weight. It turned very equally, however and I decided to strip the finish off of it and put it on a diet. I made built-up movable surfaces for it and revamped the look of the bottom block. I hogged out the vertical fin and put ribs in it and made a built-up rudder. I was very careful in applying the paint and came up with a net loss of nearly nine ounces!
That ship sat on the front row in appearance at the 1990 Nats and flew to a fourth place finish. It was a very good airplane. It was actually built around the wing and force arrangements that I used in my 1980 Genesis. That ship finished in 2nd place at the 1980 World Championships (Silver Medalist) and also in 2nd place at the 1980 Nats (Both times just behind that Les McDonald guy…). I really liked the way that the swept forward trailing edge worked and just opted to re-design the fuselage shape when I came up with the Crossfire. Not sure why I moved away from that wing design; it really worked well!
Last year I decided to re-design the Crossfire as a dedicated electric model and used the same wing as the 1980 Genesis and the 1987 Crossfire. Only I added a couple of inches of span to give it a higher aspect ratio look. I also revamped the bottom block shape (again) and added a curved ventral fin. I really like this one aesthetically and may build a couple more with slight style changes. I’m fairly sure it will fly well, as it is light, straight and is built on a proven set of “numbers.” We’ll see…
Plans will be available, as will wing and tail sets and molded fuselage shells.
Attached are photos of the RC Crossfire and the first CL Crossfire.
Later - Bob
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Any link to Stevie Ray Vaughn in that "Crossfire" name Bob? ;D
Bill
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Sorry, Bill, but not a chance. I came up with that name before Stevie or Chrysler!
Bob
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'Fess up Bob, there's a little SRV in any guitar player!
I don't see any obvious venting on the model; do you have a shot that details your thinking on inlet and outlet venting on this one?
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I not a big fan of slack tuning, Mike... I'm more of an Al DiMeola fan... Stevie was good, but just not my cup of tea.
You are very perceptive about the cooling. There is a large chin scoop that has a bifercator that directs the air onto the motor. The big thing about this one is that the entire internal fuselage is opened up to allow the exhaust air to go through the fuselage and out the back where there is an outlet! There is a low pressure area aft of the outlet and this should "pull" the heated air through and out.
Later - Bob
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Well, the clear is on and rubbed and the flaps and elevators are on for good. All I need to do now is serve the leadout ends and paint the spinner (which, by the way, is a pre-production sample of one of the new E-Flite electric spinners. It has slots cut for reverse rotation props).
Target date for trim flights is Thursday, June 23rd. That's a record for me for having a new ship done in time to put a bunch of practice flights on it before the Nats. Usually I'm testing them the day before I leave home!
Here are a couple of shots at this stage.
L:ater - Bob
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Here are two more shots...
Bob
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Bob, I think you have out done yourself on this one. I like it. H^^
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Thanks, Doc! I'm very pleased with the "look" and think that painting the spinner will only help the illusion. Hopefully it will fly as well as I hope it will. It should, as it is light and straight. It is certainly the most shiny model that I've ever turned out! My arms are aching from rubbing all weekend long... y1
Later - Bob
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Looks great. What did you use for clear coat, dope or auto 2-part ?
Would like to get a set of the plans as soon as available, the plan will be for a dedicated electric, right ?
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Hi Allan:
Thanks! I used Dupont Chromabase paints and clear. The clear I used is the G2-7779S Multi-Mix, with the 7775S catalyst.
Plans will be available sometime after the Nats, and yes, it will be a dedicated electric ship right from the get go. If someone wants to modify the nose for glow, that's okay by me, but there will be no plans from me for it. I'm now totally committed to electric power, except for Classic Stunt.
Later - Bob
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Looks great Bob! However, I am a fan of the no rudder Genesis ;D
Dad built one for Bob Shaw and I got to fly it a few times, it was a lot of fun.
C-ya in Muncie
Derek
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Bob, that is just too cool!!!!!! I really like it!!
Looking foward to seeing it in Muncie!! #^ H^^
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Sun of a gun, I thought you'd finally run out of Bronze paint, but the clear coat changed the tint.....
Hey, it looks really great. It will fly just as good I'm sure. Don't forget about the twin when you get back from the Nat's though,,,, please. <=
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Was looking at the first two pictures at top of thread.
Thats really cool the way you faired the struts into the pants.
Would like to see a "How To" on that..
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Brother Bob! It does look fantastic, as I would only expect from you. And as such I also expect it to be a great flier. Best of luck at Muncie!
Big Bear
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Bob,
When you are done with this one, just drop it in the mail
I'm sure it'll get to the right address!
W
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Glad to see you are entering Open with that one! Sweeet!
An Advanced entrant,
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Hi Wardo: I know that you've always liked the Crossfire look and have built a few ships that had a lot of CF influence. For that reason, you will receive the first copy of the new Crossfire Extreme plans! #^
Crist: What makes you think I'm not going to fly in Advanced? I haven't been to a Nats in years. Don't I get to start over in Advanced? >:D
Derek: Alas, you've seen the last Genesis from me... Except, maybe if I decide to fly some Nostalgia 30. Heck, I'll build a Juno or a Stiletto for that... ::)
John M: Yes, my plan is to crank hard on the twin when I get home from the Nats. I really think that is the future... y1
Allan P: I guess I should have taken some photos of the fairing process huh? I will build another Crossfire Extreme, but it just might end up with retracts... No fairings then. :-\
G'night - Bob
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Bob,
Glad the "Crossedwire" is finished. I see that you made a HUGE change to your paint scheme... you added stripes on the flaps! And you know that I like the rudder.
The CF is certainly up to your usual fantastic standards. I guess you will have to fool Crist and take another FIRST.
Then on to the twin.
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The plane looks awesome Bob, great lines and super sleek. I really like the "non-copper" maroon color too, what is it?
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the through the fuse venting is COOL! love it.......how did you keep the structure free through the back and still keep it stiff?
kits Bob??????
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Hi Wayne:
The "Maroon" color you are seeing in the photos is actually a dark metallic brown that contains a lot of red flake in it. I used to use Cadillac "Firemist" brown paint on my ships. The ship that I used to make the 1978 World Team and the WC winning Genesis had that color as the main trim, as did the two Genesis models that I built for the 1980 World Championships. The first Crossfire had the lighter copper color as the main color trim on its first paint job, but I went to the darker color for the repaint. The color in the photos that I posted don't really reflect (pun not intended...) how the color presents in real life. It really looks like a dark metallic brown with red highlights. Photos can be deceiving...
Hi Wynn:
Yes, the fuselage is "open" at the rear to facilitate venting. I used various diameters of sharpened brass tubing to cut "vent" holes in each fuselage former and in the formers that are in the molded top and bottom shells. I used diagonal "sticks" in the fuselage crutch to maintain stiffness and also relied on the carbon mat that was applied over the entire model to add to the stiffness. Trust me, it's rigid! Dean Pappas explained to me that the opening at the rear is in a low pressure area and it will tend to "suck" the hot air through the fuse and out the back. We'll see... I also made some cooling outlet holes in the bottom block just in case...
Attached is a photo of the original Crossfire in its original paint scheme and also one of it in its second paint scheme (I posted this photo above as well, but I'll put it here for comparison).
Later - Bob
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What the heck, I'll throw in one of the new Crossfire Extreme without any image correction for brightness. This may give a better sense of the actual color (then again, maybe not...). - Bob
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Crist: What makes you think I'm not going to fly in Advanced? I haven't been to a Nats in years. Don't I get to start over in Advanced? >:D
I laughed out loud on that one Bob! LL~ LL~ LL~
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Bob,
That is one fine looking airplane. As to the talk about advanced. Yes , you are an advanced Expert! Crist has a lot to fear.
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Bob,
Your RC Crossfire had anhedral tail surfaces. Is there any reason that you did not use that on the CL Crossfire?
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Hi Tom:
Thanks for the comments I really, really appreciate them!
As for the anhedral, well, I'm getting lazy in my old age. It sure looks cool, but it's just too much trouble and it may add too much weight to the aft end of the model in structure and linkage. But, again, it does look cool!
Looking forward to flying with you in Tucson in March.
Bob
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Hi Wayne:
The "Maroon" color you are seeing in the photos is actually a dark metallic brown that contains a lot of red flake in it. Later - Bob
So then, in a way, you could call it another shade of copper. :## ;D
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Well, not copper perhaps, but certainly in the bronze family... n~
Bob
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DOH!!!!!
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Got a lot done today! My flying buddies, Tom Hampshire and Buddy Wieder came down to help and lend moral support... but I got a lot done anyway! <= (Only kidding Tom and Buddy; you guys were a tremendous help!)
I wanted to finish off the "electronics bay" (Formerly known as the tank compartment...) without a mess of unsightly wires. I thought long and hard on this and came up with a solution that I think will work fine and look tidy.
I decided to mount the ESC and the Hubin timer on a plate that would rest on formers that would fit the shape of the bottom block. I wanted to keep this plate as light as possible, while still having a very secure mount. Iused light ply for the formers and cut them out to save weight. The 1/16-inch thick plywood plate is glued to the top of these formere and the entire unit fits very nicely into the bottom of the ship. The ESC is rubber banded to the plate and the Hubin timer will be screwed to the plate.
I was able to eliminate a lot of the ESC wiring, a good bit of the signal wire, and also the wire that runs from the timer to the start button was shortened to only 3-inches. Wire weighs a lot!
I'm attaching a couple of photos of the mount without the ESC or timer mounted, and in another post I'll post a couple with the ESC in place. I just brushed a coat of resin onto the mount to protect it from humidity and it will go into the ship tomorrow morning.
Later - Bob
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Here are the photos with the ESC rubber banded in place...
Bob
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Bob
Having built 3 purpose build electric stunters now I can really appreciate your efforts in a clean electronics bay construction. Your approach is very good. I would like to see if you refined your battery mounting. I have been practicing 6 flights (I have 6 batteries) back to back. I really don’t have a system that:
1. Doesn’t require tools to change the battery
2. That keys the batter into an exact position every time.
Norm
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Hi Norm:
Thanks for your comments on my ESC and timer mount. Yes, keeping everything tidy and all wires separated is now the focus.
I don't have photos yet of the battery mount in the Crossfire, but I do have several of the mounting system in my Genesis Extreme that I will post here. The system that I will use on the Crossfire is essentially the same as this one. It has worked very well for me for quite a while now, and others have been using it with great success also. It absolutely puts the battery in the same place each time, but it does require that you remove and reinstall a 1/4-20 nylon nut each time. For me that is no biggie as I like the security and it doesn't take more than a few seconds to change batteries.
Hey, I need to speak with you about the SN project we have discussed. I'd like to move forward with that as soon as we can...
Later - Bob
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Thanks for the pictures Bob. I would like to remove the hatch and the battery without tools but you have added some good ideas to my collection.
I will send you an e-mail about the project. I'm quite far along on it.
Norm
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Hello Norm,
You need to look at the belly-pan latches that the Japanese hardware outfits sell to the Pattern guys. I'll go look for pictures and sources.
I dummied up a cheap copy for one of my E-RC ships, and it can be made to look very tidy.
Regards,
Dean
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Thanks for the pictures Bob. I would like to remove the hatch and the battery without tools but you have added some good ideas to my collection.
I will send you an e-mail about the project. I'm quite far along on it.
Norm
hey Norm - here is my take on Bobs design - no need to unscrew anything and it works a treat
http://stunthanger.com/smf/index.php?topic=20144.0
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Bob,
Do you have a means to move the battery forward or aft for CG adjustment?
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Hi Tom:
Yes, I can easily adjust the position of the battery in the "electronics bay" by making mount plates that position it fore or aft as required. Initially I make a location/mount plate that puts the CG slightly forward (Like the saying goes, a nose heavy ship will be sluggish, but a tailheavy one might not get a second flight...) of the point where I think it will ultimately reside. I can then make plates that hold the battery progressively further aft. When I find the "sweet spot," I duplicate that battery plate and mount all my batteries in that design plate.
My mount system also allows me to move the battery up or down a good bit to allow for vertical CG adjustments. This is one of the many advantages that electric has over glow.
As for the "screwless" mounting... I'm not a fan of it. I'm a belt and suspender kind of guy when it comes to mounting the battery and the battery cover (cowling or canopy...). It takes me just slightly longer to remove and install screws, but the peace of mind is more than worth it. I've seen two batteries "exit" models in mid air so far, and, thankfully neither of them exited from my airplane. Believe me, that can ruin your day. It sure did for those two electric enthusiasts. I'll bet their batteries are held in now with bolts... The worst way is with Velcro. Velcro picks up dirt, loose grass blades, etc and not only loses some of its holding power, but it also look awful. Stick to bolts, or a nut atop a threaded stud.
Later - Bob
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On the Crossfire, did you still use the rear motor support like you did in the Genesis ?
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Oh Bob! you're killing me with that no Velcro stuff. I like a little grass on my Velcro. But I must admit you are correct. I didn’t realize you built a frame for each battery – this could expedite the battery change out process.
Wynn copied your pictures to my idea folder they are certainly worth considering. Thanks.
Dean I will hunt the electric Pattern forum for the latch pictures but if you run across them please post.
Jose Luis Oterino has some good ideas on his MG 10 stunter. I like the car pin hold down and the use of circuit board material.
http://stunthanger.com/smf/index.php?topic=21161.0
Norm
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10-4, Norm, glad to help...
Allan: Well, we never did even fly the Genesis with the yoke and rear bearing. We decided that since we were firewall (Electron wall?) mounting the motor, we had effectively solved the cantilever problems. We have not had problem one with the front mount in respect to bearing life. So needless to say, I didn't use it in the Crossfire either.
Later - Bob
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Guys
I too have removed the rear bearing support and now have 87 flights on Sultan-e #2. No problems so far. I must admit every once in a while I do worry about the bearing going out.
One side benefit of having a rear bearing mount is that you can use threaded rod ¼ -20 and a ply plate to act as a paint stand rod holder.
Norm
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Hi Norm,
Here are a few, but still not the one I was thinking of when I lsat wrote.
Dean
http://www.centralhobbies.com/building_materials/hatch%20acc/hatchacct.html
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here is another option
http://www.3dhobbyshop.com/Canopy-Latch-for-40-72-ARF-Kits_p_15453.html
Bob, I likethe Crossfire, RC Pattern version as well.
did you ever do formal plans for that one?
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Bob, the plane looks just awesome. I hope to see it fly in Muncie. Sign me up for the plans as well, great looking bird and love all the new technology. Keith
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Wow! Thanks, Keith! See you in Muncie. y1
Bob
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Here's a photo of the "electronics bay" completed, but without the battery (so you can see the installation of the ESC and the Timer on the plate).
I'll throw in a photo or two of the completed ship (only need to paint the spinner, and I'll do that this week between practice sessions).
The finished weight -with the battery on board - is 62.2 ounces. That equates to a 56.2 ounce ship without six ounces of fuel, which was the exact weight of the 1980 Genesis on which this ship is really based (the wing is just a bit bigger on this ship). Difference is that I used an 11-inch diameter 3-blade on the Genesis (which was powered by an OS 40 FSR) and this one mounts a 13 x 4.5 reverse pitch prop. I should have significantly more performance with this one, and the 1980 Genesis was very, very good!
Later - Bob
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That is still one awesome looking plane. It looks like it means business. Have fun at the NATS and tell everybody the DOC says hi. H^^
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Bob,
How about some details on your super kool (per Uncle Dean-o) arming switch?
W.
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The Crossfire was scheduled to fly yesterday. I am looking forward to a flight report. It is less than a week now until Bob's drive to Muncie.
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Okay, we've got great news and some disappointing news here.
First off, the ship flies just great. It turns like nothing I've ever owned and also turns dead equal in either direction. It has a ferocious "lock" and is just about final trimmed as I write this.
The disappointing news is that on the second takeoff the wheel must have shifted in the outside pant and it caused the pant to explode! A piece of the pant went through the bottom of the wing and even slightly cracked the upper wing panel. I was just shattered by this, as this ship has the best finish I've achieved in many moons. However, upon further inspection I found a way to make a repair that will be hard to find. Fortunately the hole was not in or near the number panel on the upper right wing panel and it was a simple matter to repair both the top and the bottom of the wing. I'm almost ready to spray the white on the repaired areas, but I'm holding off to also spray the new wheel spats at the same time. I'll make new pants for it after the Nats...
Later - Bob
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Bob,
Ouch! Sorry that you have to burn more midnight oil. The pants are part of the "look", but I am sure that it will still look great. Of course the best news is that it flies great. I still predict that you will be in the top 3 or better. Good luck and have a good time at the Nats.
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Hi Tom:
Yup, that midnite oil thing is getting to be the norm here... Fortunately it is not that bad and I think I can make a near perfect repair. But, hey, they don't fly really well until they get a few "dings" in them anyway!
I made a set of spats that I'm very happy with, and they are almost ready for the white coat. At that time I'll fog in the required white on the wing and then sand it lightly and fog on some clear, sand and buff.
Really had a good session flying it today. One of the many beauties of electric flight is that you can have a multi-coat paint repair going on and still fly the ship everyday!
I'll be signing off on this thread for a while as the Nats is quickly approaching and I need all the time I can get.
I want to thank everyone who has chimed in on this thread. The Crossfire is a resounding success as a design and I will expedite the plans when I return from the Nats.
Later - Bob
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That's a bummer Bob, but it's good to know you got a handle on things.
And I look foward to seeing that plane in a few days, sounds like it will be awesome!!
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Looks great, Bob, and glad to hear that it's flying great too.
Good luck with it at the Nats - and hope to catch up with you in person not too long after that!
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Bob: Crossfire has a very attractive rudder. Sort of retro-- like the Top Flite Taurus?
Floyd
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Well, it has been an amazing two weeks for the Crossfire and me. As mentioned above, the outside wheel pant "exploded" on takeoff on the second flight and put two large holes in the bottom of the outside wing and one all the way through the top of the outside wing. I fixed those holes well enough that no one could tell that it had been broken. The Chroma Base basecoat/clear coat paints are just amazing!
So, it was off to the Nats with but four complete patterns on the ship. No worries; it flew extremely well right off the board and only need a tiny bit of tip weight and a bit of nose weight to come in perfectly for me. It is perhaps the easiest ship to fly well that I have ever owned.
Everything went well through the practice days. On the first day of qualifying I drew an early flight and the air was just dead and what wind was present was blowing right into an intense morning sun. I delivered an okay flight that got me a decent score, but I knew that I could do a bunch better on the second flight.
For the second round the judges moved the sun a bit higher in the sky, so that wouldn't be an issue and the winds had picked up enough to blow the turbulence away. I was primed to lay one in and had the Crossfire in line in the pits with the battery in and ready. My very good friend, Bob McDonald was due to fly two before me and he asked me to walk his handle out onto the circle and then launch for him. As I was entering the circle I heard a commotion in the pits and looked over in time to see the Crossfire flying through the air backwards! A Dust Devil had hit the pits and several planes were tossed. I knew that my Nats was probably over at that point so I just went ahead with the launching duties for Bob.
When I returned to the pits I realized that the Crossfire got the worst of it… It was broken clean in half just behind the wing and the outside wingtip was slightly crushed at the front. The other planes involved sustained only minor damage. Naturally I was disappointed and wanted to just throw in the towel at that point. I was pretty sure that this plane wasn't meant to compete at this Nats. Brett Buck had other ideas…
Brett came over to add his condolences to those of everyone else, but upon close inspection he suggested that the break was so clean that we would probably be able to glue the ship back together accurately. We met up at my motel room. Brett, Bob McDonald, Jim Aron, Will and Kevin DeMauro, Buddy Wieder and Rich Giacobone all pitched in to help reassemble the ship.
Brett came up with a great idea. We fit the fuse back together along the clean break. I took some ¾-inch wide masking tape and used four strips to hold the two pieces together. I aligned the tape carefully along the paint trim lines, and ultimately I think that this contributed greatly to the final, successful, outcome of the repair. Bret used a T-Pin to make several holes along the break line; he spaced these about 5/16-inch apart. He then applied small drops of thin CA into the holes, essentially “riveting” the break lightly so that we could do a final alignment before gluing everything permanently together. Everything seemed to be aligned properly and we did a lot of measuring to insure that fact. Then we fed thin CA into the break to make the assembly more solid. After that I sanded the clear off of the paint 2 inches on either side of the break. Bob McDonald and Buddy Wieder cut two pieces of ½-ounce glass cloth to size so that we could bridge the break on both the top and bottom of the fuselage. Bob McDonald stretched the glass out flat and smooth and I applied medium CA onto the glass and smoothed it out with my finger. After that I block sanded the glass carefully to make it even smoother. Will DeMauro made a trip to the local Hobby Lobby while all of this was going on and bought a pack of very nice brushes. I used one of them to flow a bit of the metallic brown onto the fuselage and make the fix less noticeable. Okay, it was back together, but would it fly well enough to continue competing?
Will, Kevin and I drove to the field late in the afternoon and found that it was very windy. I test flew it anyway. The Crossfire broke ground and felt just like it always did. Even the handle setting was right on! It grooved extremely well and so I figured, “What the heck, let’s go for it.” I did a wingover and the ship felt just great. I completed the pattern and landed and that’s when the adrenalin ran out and I felt just totally spent. We went to dinner…
The rest is a matter of record. I finished up one quarter point out of a Top Five berth. I doubt that I could have flown any better had the ship not been broken. I am very happy with this result.
In retrospect this one is going into the win column for me. The last competition flight at the Nats was the 31st flight on a brand new plane that had sustained two major incidents in less than 10 days. I absolutely love the way this ship flies. I can fly it at 5.6 to 5.8 second lap times and with great tension everywhere. It turns extremely well and locks on target as well or better than anything I’ve ever owned. The power system consisting of an E-Flite Power 25 motor, Castle Phoenix 45 speed control, Hyperion 4s 4,000 mAh battery and Hubin FM 9 timer worked flawlessly and produced great power. I haven’t competed at a Nats since 2004. To make it almost into the show makes me a happy guy. Needless to say, I’m going to fix this ship properly now and then I’m going to build two more of them!
My most sincere thanks go out to all who have contributed to this thread and especially to all who helped me get this bird back together and flying well. What an adventure!
Later – Bob Hunt
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Well flown Bob, well flown
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Bob
Congratulations on your excellent placing at the NATS after years of layoff. I really admire your tenacity too. I noticed you said you will be building two more of the same Stunters. I now also have 3 Sultans and I am amazed how similar they fly. I attribute this repeatability to the electric power system.
Regards
Norm Whittle
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Mr Hunt Sir..........you did a great job! I don't think that anyone could have doubted your flying ability, but when you consider the short time that had with Crossfire, plus the stream of problems that hit you, I would say that you did an awesome job. Losing out of the top 5 by .25 of a point is disappointing for sure, but pat yourself on the back. Well done Bob!
If you say that it flies at 5.6 to 5.8 sec lap times, then that's simply amazing. I hope that publishing the plans does not take too long.
Keith R
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Great Nats story Bob.
You done good..
Do you know what made that wheel pant "explode" ? That sounds strange.
I too will be anxious to get a set of plans.
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Bob,
Congrats on a major effort and overcoming major obstacles. Losing out of the top 5 by 00.25 certainly hurt. But also being a friend of Richard's has got me thinking that with Richard's lead out breaking, that 5th place this year was snake bit.
I am repeating that I also would like the Crossfire Extreme plans. Aside from Classics, it will the first airplane not of my own design, that I will build in over 35 years.
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plans........NAH - get In touch with Mike Griffon at Stunt Supply and get him to kit it!!!! we need a REAL electric kit out there on the market
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Wynn,
Are you forgetting that I run Blue Sky Models and make laser kits? I have several new items, including electrics, that will be introduced very soon.
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not at all Tom - I have just been ribbing Mike about doing one..
I could also include Eric Rule - or even Brodak for kitting this thing........I think a cottage guy is more likely to do it tho..
Do you have any electric specific Precision Aerobatics kits coming out? not the HOBO!
sorry Bob for hijacking.....
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Wynn,
Working on it. No specifics to talk about now, but the Skunk Works is very active.
A little off the topic but I am also doing custom graphics.
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Oh Bob, Maintain your attention to the force young Jedi. Don't let yourself be seduced to the beauties of single prop, dark force. 2 is always brighter than 1.... S?P
Great job though, so close. Congrats.
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Bob, glad you over came adversity to place as well as you did. It would have been icing on the cake if you could have pulled one off and put David F. in second place. It is great you are happy with this plane. H^^
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Bob,
I was at the local hobby shop and he had an E-Flite 25 Brushless Outrunner (870 KV). Is this the motor you use in the Crossfire?
Thanks,
James
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Hi James:
Yes, the 870 kv motor is the one I use.
Later - Bob
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Hi James:
Yes, the 870 kv motor is the one I use.
Later - Bob
Thanks, I think he had it priced at $69.99. Is that about average price?
James
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Hi Bob, could you please post the setup that you were flying at the Nats. Not the motor, esc and stuff, but the prop and rpm, flight time and how much battery was used please. It would be interesting to see this especially with those lap times that you mentioned. Thanks very much.
Keith R