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Author Topic: Will this motor/airplane combo work?  (Read 782 times)

Offline Andrew Borgogna

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Will this motor/airplane combo work?
« on: December 07, 2010, 12:01:37 PM »
I am currently building an RSM Continental and plan to go electric with it.  The motor package I am planning to use includes a Hacker A-30 outrunner motor and a Hacker 55 amp X-Pro-Controller with a four cell 20-C battery pack.  The motor package recommendation came from Eric Rule at RSM, he expects this package to perform like a good stunt .46.  Eric is very interested in seeing this plane work well and so am I.  I would just like to hear from people who have experiance with the Hacker motor and speed controller.  Or for that matter anybody with an opinion on the setup.
Andy
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Offline John Cralley

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Re: Will this motor/airplane combo work?
« Reply #1 on: December 07, 2010, 01:08:38 PM »
Andrew,

Nothing against the Hacker 55 amp X-Pro-Controller but I would go with a Castle Creations ICE 50 (lite) controller (the ICE has a special control line mode and you can download flight data from it to a PC). You will need a Castle Link USB cable to use the ICE features (about $20 but some ICE ESCs come with a coupon for a free USB adapter). I also recommend a Will Hubin FM-9 timer system (FM-9 timer and programmer). If you want to go with the Hacker motor consider the A-30 -10XL V2 with a 900 kv (RPM per volt) and use a 4S Li-poly battery.

Just my 2 cents and others may will doubtless also have advice.

John
« Last Edit: December 07, 2010, 02:05:49 PM by John Cralley »
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Offline Wynn Robins

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Re: Will this motor/airplane combo work?
« Reply #2 on: December 07, 2010, 01:36:44 PM »
the combo from RSM has been developed by Eric and Hacker  for control line use - it is a plug and play system and will work very well for the Continental . Give Eric an e-mail - he has had somone testing the system for the last couple of years in a Chizler - I think it was Leroy Black  -  he can give you some good info on how the system performs
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Offline John Cralley

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Re: Will this motor/airplane combo work?
« Reply #3 on: December 07, 2010, 02:29:16 PM »
Wynn,

Plug and play sounds good.

Does the P & P system log data during flight that can be downloaded and examined?? Does the P & P system have a timer that allows for easy changes of the timed duration and RPM in the field that the Will Hubin FM-9 timer features?? These features are not necessarily needed but are a great help in trimming and fine tuning for best performance. If a plug and play system has been perfected for that particular model then a data log and convenient time/RPM adjustments may not be really needed. One can just install it and go flying.

John
« Last Edit: December 07, 2010, 05:20:16 PM by John Cralley »
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Offline Rudy Taube

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Re: Will this motor/airplane combo work?
« Reply #4 on: December 07, 2010, 03:13:57 PM »
Hi Andy,

You will like Eric's system. It will work well in your Continental. Yes, it has the power of a strong .46 wet motor. When Eric asked me a few years ago about helping him select an electric power system for his excellent line of kits he told me that he wanted a quality system that was reliable. I suggested that he use the quality Hacker system. It is a very good system at a reasonable price. I had used Hackers for years in my ERC planes, and I had friends that had also used them with great success. We selected a size that would fit most of his Classic size kits. As John suggested, use the Hubin timer option that Eric offers. It is perfect and the programmer will make your ECL life very easy. If you want the power of a piped .60 then go up to the next size Hacker 40S 10 on a 5S battery. This is what I use in my 74 oz. plane, but this might be a little overkill on your beautiful 57 oz. Continental. ;-)

Wynn, You have no way of knowing this but Andy flies at the same field as Eric. I think Andy just wanted some input from those on this forum who have used this Hacker system. I'm glad you agree that this system is a good one. :-)

Andy, we all look forward to seeing some photos of your plane and the E install when it's finished. :-)

Regards,  H^^
Rudy
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Offline Dean Pappas

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Re: Will this motor/airplane combo work?
« Reply #5 on: December 07, 2010, 03:20:37 PM »
So would someone address the real question as far as I'm concerned: How are the governor and brake functions?
Is the governor tight enough? Fast enough? Adjustable or not? Does the brake work in Heli-mode or whatever it's called?

This would be an opportunity for the folks who use the Hacker to do a commercial!
Regards,
  Dean P.
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Offline Andrew Borgogna

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Re: Will this motor/airplane combo work?
« Reply #6 on: December 07, 2010, 04:35:09 PM »
Thanks everybody for your input, I do have the Hubin FM-9 timer as well.  The speed controller comes already programmed for control line stunt application.  The only think I don't have yet is the battery, I will be getting them from Eric as well.  To give a little more information when I told Eric what I wanted to do he did some redesign of the frontend of the Continental to accommodate the electric system.  I have always loved the lines of the Continental since the first time I saw it in Tom Warden's home many years ago.  The wing is framed and I have started on the tail feathers leaving the fuse for last.  Anyway thanks again for the information.
Andy
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Offline John Cralley

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Re: Will this motor/airplane combo work?
« Reply #7 on: December 07, 2010, 05:46:04 PM »
Andrew,

Sounds like you are all set!!

I, and I suspect others on this forum, would be interested in the detailed tech specs for the Hacker (programmed for Control Line) ESC. I think maybe this is what Dean is really asking.

Here is what is listed on the RSM web site (www.RSMdistribution.com)

Hacker X55 Pro Speed Controller 50 Amp
Automatic Timing, LiPo Voltage Cut Off, 55 Amp Operating Current
Selectable Acceleration, Motor Direction Adjustment, Heli Governor Mode
Low Voltage Cut Off Brake On or Off, Soft Start Adjustable Timing
Weight 1.6 oz


It also sounds like Eric has a quality combination worth considering for those thinking of entering the electric control line era and who do not want to mess around gathering components that will work for their particular model.

John
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Offline Dennis Toth

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Re: Will this motor/airplane combo work?
« Reply #8 on: December 07, 2010, 06:15:47 PM »
Andrew,
I think the Hacker motors are a strong option particularly in the >46 power size. Now the one thing you could do for all of use is to check with Eric about the brake feature for the ESC in CL mode that allows for fixed rpm settings. The brake issue is important, without the brake the prop/motor with windmill after the timer cuts off. A windmilling prop creates enormous drag that if the wind is up can cause the ship to just stop and fall out of the sky on landing (it's not a problem in light wind). It would be great to have another ESC option so if Eric's ESC can do this it would be great.

Best,               DennisT

Offline Rudy Taube

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Re: Will this motor/airplane combo work?
« Reply #9 on: December 07, 2010, 09:11:13 PM »
Hi Dean, (and others ;-)

1. In the interest of full disclosure:  I do NOT have any stock in Hacker Inc., nor do I sell them! So no commercial here. n~  ..... But I am good friends with Eric, and Jason. But you have all seen me recommend Pletts, and AXI too. :-)

2. Here is their web site with some info. for this ESC:  http://www.aero-model.com/Hacker-Brushless-X-55-SB-Pro-ESC.aspx

3. This ESC was not made with ECL in mind. It does not have a brake in gov. mode, at least I have not found one. It is programable, it is very similar to the CC Phoenix, and Jeti ESCs. The gov. seams to be as tight as the CC Phoenix. This ESC is used in Heli's so my guess is that it has a good tight gov. It has all the settings we need except brake.

4. The brake is nice, and I am glad that CC and Jeti gives it to us, but we all have flown thousands of CLPA flights now without it and we have done just fine. It is not a big deal for landing under the AMA rules. The plane does not fall out of the sky, even under high winds. Please don't forget that we have the ability to program a slooooow spool down so that we can actually land under low power which gives very reliable landings. This is available in all the programable ESCs we use in ECL. I have been using this for many years and it works well. ..... Obviously the FAI pilots need the brake. To my knowledge Andy does not plan on entering any FAI contests in 2011, maybe 2012, but by then he will be flying a Plett and Shultz combo!  8)

5. Eric's system is a quality power package and a very good value for your $$. And like John said, it is convenient to have a "Plug & Play" system to get in the air fast with little or no hassle. :-) Since the Hacker distributor in the USA also sells CC ESCs I am sure Eric can order one to go with his P&P system.

Regards, 
« Last Edit: December 08, 2010, 12:15:23 AM by Rudy Taube »
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Offline Dean Pappas

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Re: Will this motor/airplane combo work?
« Reply #10 on: December 08, 2010, 08:00:34 AM »
Alrighty, Rudy!
I was hoping to hear that the governor appears to be tight and fast. Thanks.
Yes, real scientific data will be helpful, and the Eagletree datalogger is a very useful tool.

Your observations about the ramp-down and AMA vs FAI are spot on, too.
I get nearsighted about that and keep looking for a one-size-fits-all solution. HB~>
I looked through the versions of the Hacker X55 Pro manual that I could find online, and was left with the suspicion that brakes and governor were mutually exclusive.
I couldn't find confirmation of that, though.
Mechanical brakes are available, just as Bruno used in his first  E-Worlds!

Regards,
  Dean P.

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Offline Robertc

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Re: Will this motor/airplane combo work?
« Reply #11 on: December 08, 2010, 09:19:33 AM »
I'm using this exact set up in my Cobra-E.  I love the Hacker motor - it's great and more than enough for the Continental ( of which I have also, but with an Aero Tiger 36)
The Hacker esc works well, but as pointed out, no brake when set up for our C/L use.  The Hubin timer works fine as well and with the programming box, easy to make changes out the field.
I am thinking about using the Phoenix 50 Ice just so I can get my brake function back.  Have not made the switch yet, even though I have the Phoenix.  The difference for me
is where I practice, I have an area I cannot land in.  Without the brake function, it's really hard to whip.  If I could land anywhere, it wouldn't be as big as an issue.

The one thing I would look out for on the Continental is ground clearance for the prop.  I have to use a three blade 10-4 and even that is very close.  If I went with the
APC electric 12-6p on a Continental, I would need to add length to the gear.

RobertC


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