Author Topic: Something a little different... (Read 8834 times)

david beazley · « **Reply #50 on:** September 01, 2011, 04:26:42 PM »

For what it's worth, the RC version recommends carrying 1/2" up elevator at for level flight. The lifting body needs positive incidence to maintain lift.
Best of luck and looking forward to the results!

Bill Barber · « **Reply #51 on:** September 01, 2011, 06:31:04 PM »

Definitely looking forward to the flight report , looks like something straight out of Jules Verne !
Bill

Larry Renger · « **Reply #52 on:** September 01, 2011, 09:48:12 PM »

Needs the lettering:" Captain: John Carter first Mate Deja Thoris"

Thomas Wilk · « **Reply #53 on:** September 02, 2011, 12:08:57 PM »

see 1954 AT Apr p28 by Clough, Roy L. Jr. for the original article it was a F/F ship.
the scans are too large to post here.

Tom Wilk

minnesotamodeler · « **Reply #54 on:** September 02, 2011, 03:27:22 PM »

Quote from: Thomas Wilk on September 02, 2011, 12:08:57 PM

see 1954 AT Apr p28 by Clough, Roy L. Jr. for the original article it was a F/F ship.
the scans are too large to post here.

Tom Wilk

Yes...I finally found the first of 2 pages I had acquired, and it is Roy Clough Jr.'s freeflight design, I think that was mentioned by someone else earlier. Glad to give credit where it's due.

Larry Renger · « **Reply #55 on:** September 02, 2011, 11:22:54 PM »

Skip Ruff did a couple of them at maybe double size as RC models. I saw one of them fly, and it was awesome!

john e. holliday · « **Reply #56 on:** September 03, 2011, 01:02:29 PM »

Shades of Flash Gordon and the Terrible Ming. I like it and it should be a crowd attention getter. Let us know when plans are ready.

minnesotamodeler · « **Reply #57 on:** September 05, 2011, 03:14:31 PM »

Alrighty then, it flies!!! Not well (didn't expect it to) but it undeniably carries its own self through the air.

Note to Larry Renger: the backward prop wasn't necessary, in fact it wouldn't get off the ground with it but just taxiied around on the main gear with the nose in the air, pretty funny. Turns out it needed all the power the .061 could put out with the prop on the right way. You'll hear the comment about "putting the prop on right" in the video.

Here's the link:

Watch it to the end to see indication of the tremendous drag this thing produces--when the engine quits it just stops, right there in the air. Also, just time the laps! 7-second laps on 48' lines, somewhere around 30 mph...

John Crocker · « **Reply #58 on:** September 05, 2011, 03:24:06 PM »

Very cool! Kinda goes along with the old F4 Phantom theory: "put a big enough engine on something and even a brick can fly".

Now how can we incorporate a droopy diamond in it?

Bill Barber · « **Reply #59 on:** September 05, 2011, 06:22:32 PM »

Ray it flies much better than I expected , very cool ! Maybe just little
shorter lines ?
Bill

Larry Renger · « **Reply #60 on:** September 05, 2011, 07:27:58 PM »

You da' MAN, Ray! I am amazed how much altitude you could get without disaster.

My hat's off to you!

minnesotamodeler · « **Reply #61 on:** September 05, 2011, 08:09:51 PM »

Quote from: Larry Renger on September 05, 2011, 07:27:58 PM

You da' MAN, Ray! I am amazed how much altitude you could get without disaster. My hat's off to you!

Yeah, I was trying to nurse it as high as it would go a couple of times. What you see in the video is it. Nice surprise though, in the ensuing drop back down, it always pulled out very well, little mushing. 'Course its angle of attack never changed very much either!

Bill, shorter lines would doubtless have helped some, but realistically it did about as well as anyone could expect. I'm satisfied with its performance.

You might notice, whenever I tried to get in a low groove it got squirrelly. Maybe something with the ground-effect didn't agree with it. It sat fairly well at 10' or so; started searching any time it got below about 5'. I about did a touch-n-go a time or two.

It's been a fun project, worth the effort just to see it make its way around.

Larry Renger · « **Reply #62 on:** September 06, 2011, 09:03:31 AM »

Ground effect only happens at about one wingspan and lower. Hardly the case with this item.

What I suspect is that the extra lift required at higher altitudes provides extra dampening that isn't there when flying level. I have noticed this phenomenon often with stunters that would groove at 10' but not 5'.

At the higher altitudes the feedback mechanism inherent in the C/L system is reduced, thus less oscillatory input. So, better dampening compared to input even though the model aerodynamics and balance are unchanged.

minnesotamodeler · « **Reply #63 on:** September 06, 2011, 02:33:51 PM »

huh...one wingspan, huh? But-but-but, it ain't got no wings!

I get your point. Probably a manifestation of slight tailheaviness. Nonetheless it flew, it really flew...

ray copeland · « **Reply #64 on:** September 06, 2011, 05:05:16 PM »

Ray, i really enjoyed the video! Congratulations on a very neat project done well!!! I can only imagine after that flight you had a feeling of self gratification along with a big smile. My hat is off to you again

On a side note, i heard there is a picture of one of your Skywriters in this issue of Stunt News.

minnesotamodeler · « **Reply #65 on:** September 07, 2011, 02:40:03 AM »

Huh...well that's good I guess. Haven't sold a kit in months. Haven't really tried. Been enjoying cutting parts just for myself.

Yer right, seeing that big teardrop flying along was very gratifying. Would have been kinda embarrassing, after all the electrons used up discussing it, otherwise.

ChrisSarnowski · « **Reply #66 on:** September 09, 2011, 05:10:51 AM »

Very cool, Ray!! I enjoyed the video!

Watch out, Ming the Merciless may come after you to build him a fleet of these.

-Chris

minnesotamodeler · « **Reply #67 on:** September 09, 2011, 09:09:43 AM »

Thanks, Chris, and all...

john e. holliday · « **Reply #68 on:** September 10, 2011, 09:42:03 AM »

Watched the videos of the SS and the flying wing. At least the SS does fly. Now is that your daughter helping you in the videos?

minnesotamodeler · « **Reply #69 on:** September 10, 2011, 09:44:57 PM »

Yup, that's my girl...youngest of 4. (3F, 1M)

Older'n she looks though. Law School grad. Just not too big.

Author Topic: Something a little different... (Read 8834 times)

ChrisSarnowski