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View Full Version : Great Planes Cap 232 coversion?!?


Flytoolow
01-18-2006, 03:17 PM
Has anyone seen or have build the 40 size cap 232 from great planes? i have a 40 size that just hates to have the engine run, or do anything. i like the idea of electric power, brushless motors, and lipo batteries!:D

any input to the idea is welcome

TManiaci
01-19-2006, 12:39 AM
Probably need at least a 1000 watts to fly well. Try an AXI 4120/18 on a 6S2P 4000 mAH turning prop to load it with about 45 amps and you'll be pretty strong and fairly light.

afpe45
01-19-2006, 07:31 AM
I have just bought a 2nd hand 40 size cap232, the previous owner had used a .40 in it then he put a .22 in it. He said it flew well on both engines but glided better on the .22.

I am considering going electric with it, what size prop would be best with TManiaci's set up ?. the unladen weight without motor and battery is 50oz.
afpe45.

PS: Would a typhoon mini 29/12/10 , with 3200-20c 2s lipo conected together with a series plug to get 14.8 volts 3200mah running a 10x6 folding prop (to use any thermals available) do ,and how many amps would that pull ?.
I ask this because that is what I have got for another project (alienator)
and I have not used lipo's before.

Mike Parsons
01-19-2006, 01:54 PM
Frank did one a while back. Here is the info on his conversion

http://rccraze.com/cap232.html

For a relatively inexpensive solution, you could use an E-flite Power 60 Brushless outrunner, Castlecreations Phoenix 80a ESC, UBEC and 6S 3200 mah Skyvolt pack. This is what I used in my Harrier 46 conversion. 1100 watts and it is ballistic.

-Mike

nrichardz
01-28-2006, 01:22 PM
Mike I have a question for you I have been flying electrics for a little over two years now and am working on my first big electric up to date I have a ultra fly Pc-9 Eflite mini Ultrastick and mini Funtana and various 3 D airplanes and am in the process of building a .60 size cap 232 and need some recommondations for electronics this project was inspired by a guy I saw flying a .90 size Funtana a while back any info you can give me would be much appreciated I will get the specs on the plane and post them so you have an idea of weight and things like that

Rick

Mike here is the rest of the info on the plane

Kit Midwest Little Cap 232
Wingspan 62"
Weight 7.5 to 8.5 lbs
Wing Loading 24 to 28 oz/ sq Ft
Wing area 694 sq inches
Length 54.5"

please let me know if you need any other information

thanks again

Dereck
01-29-2006, 01:26 AM
Has anyone seen or have build the 40 size cap 232 from great planes? i have a 40 size that just hates to have the engine run, or do anything. i like the idea of electric power, brushless motors, and lipo batteries!:D

any input to the idea is welcome

I converted one not long after the kit came out. MaxCim 13Y geared brushless, 20 x 2000 mA nicad - state of the art back then! Around 800W IIRC.

Not a bad flier, but very dodgy in pitch and it was best not to think about snap rolls unless you really wanted to do one. I saved a bunch of weight on the wing - GP do great kit engineering but no-one there can spell ''weight' - and after a month or so, I tossed the kit fuselage and built another my way - that took another 6oz or so out of the weight bill. AUW was just over 6lb IIRC.

Very impressive model in flight, looked and acted like it was a lot larger, plus I once had the owner of a 46 powered version tell me he wished his flew as well as mine...

With Lipos, be a lot lighter. If you want to buy that much in lipo and the rest - you'll need a real good charger remember - Mike's idea wouldn't be too far off. I'd hardly class a 6S lipo as 'cheap' and charging one would be a fun thing - I prefer my 16 cell NiMh packs. Stick them on the charger at full 5A charge rate, let them get on with it.

FWIW - when I first got into electrics that big, I built a Four Star 40 to play around with my new 20 cell electric rig to get the hang of it. Then started on the CAP 232 - ended up buying another 20 cell rig for the CAP because the Four Star was just too much fun. Ended up, I gave the CAP away some three years back now, and still have the Four Star which, after a few mods, was way more fun to play with!

Regards

Dereck

gaburrows
02-26-2006, 05:00 PM
Have some questions for the forum. The Edge will weigh 9.1 lbs with batteries, servos, C50 20xl. The LiPro I'm planning on using 2 X 4S4P, 8S4P a total of 29.6 volts, 2,202 watts to work with. Plan on a Inner Demon gear drive for the Hacker C50 20XL at 3.7:1; 812 rpm per volt X29.6 volts=24,035 / 3.7 will spim 6,500 rpm. One will this work to fly 9 lbs, two what size prop should I use. Three any better ideas using the Hacker C50 20XL for the Edge 540T?

Gary B.

Joacim
02-26-2006, 05:47 PM
We build and converted one, Plettenberg Orbit 25-14, 5s Lipo, 16x8" prop.

Other interesting powersetups would be the Kontronik Kora 25, actro 24-4.