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Old 01-21-2011, 09:55 PM   #1
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Default 40 size electric cub

Greetings,
Can any of you cub owners suggest a 40 size or larger cub manufacturer who makes a electric cub and not a conversion from glow to electric. I have very little experience in conversions. I have found one electric in the Eflite cub 25 but would like a little larger windspan than 62 inches, and something larger than a 25 which powes the Eflite cub
Thanks,
Hybrid
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Old 01-21-2011, 10:15 PM   #2
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I know you're looking for one that's not a conversion, but I had this one a while back and was going to assemble it as electric. It would be an easy conversion and it was a nice looking J3. I ended up selling it to another Wattflyer member and he converted it. Here's a link to the plane and a link to the thread.

http://www.maxfordusa.com/gm-piper-j3-cub.aspx

http://www.wattflyer.com/forums/show...2&highlight=j3

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Old 01-21-2011, 10:21 PM   #3
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Hangar 9 had a .40 sized Electric Cub but have discontinued it. One of the guys in my club has one and it great.

I've got the glow version of it and love flying it too. Converting it wouldn't be hard at all either.

http://www.horizonhobby.com/Products...ProdID=HAN4000

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Old 01-21-2011, 10:32 PM   #4
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Default Cub

Firemanbill,
One of the guys at our club has the hanger nine and it is glow. I have looked at it and cant figure out if a four cell would go in the tray where the tank is or where it would fit. Any ideas?
Thanks,
Hybrid
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Old 01-22-2011, 01:05 AM   #5
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Originally Posted by hybrid View Post
Greetings,
Can any of you cub owners suggest a 40 size or larger cub manufacturer who makes a electric cub and not a conversion from glow to electric. I have very little experience in conversions. I have found one electric in the Eflite cub 25 but would like a little larger windspan than 62 inches, and something larger than a 25 which powes the Eflite cub
Thanks,
Hybrid
If this is your first electric, perhaps the thread below might be useful:
Thread on 70 size glow engine conversion to electric
http://www.wattflyer.com/forums/showthread.php?t=45222

Back in the late 1990's I scratch built a 1/4 scale Piper Cub from a kit. Took three months. The power was an Astroflight geared 90 brush type motor with a 20X10 wood prop, and 38 RC2400 Nicad cells. Total weight was some 17 pounds. Did a LOT of flying with this model, finally sold the motor on Ebay, and traded the model itself for some electric motors.

Those Piper Cubs are very nice, realistic flying models. Found you have to make turns with both rudder and ailerons, otherwise the model will obviously do "Crabbing" during turns.

For what its worth, it's not to hard to have a properly setup good quality motor to have higher power and better performance than an equivalent four stroke glow engine.

If you're looking for high quality motors, check out the Hacker A series motors. An A40 or A50 series motor would do well on a 60-70 inch span Cub.
For help on this look at some of those computer programs such as www.motocalc.com, that will take a LOT of the guess work out of setting up an electric conversion.
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Old 01-22-2011, 01:15 AM   #6
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I dont have one but this looks pretty good to me

Cub EP-72" - ARF Remote Control Airplane
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Old 01-22-2011, 01:28 AM   #7
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Originally Posted by hybrid View Post
Firemanbill,
One of the guys at our club has the hanger nine and it is glow. I have looked at it and cant figure out if a four cell would go in the tray where the tank is or where it would fit. Any ideas?
Thanks,
Hybrid
I've looked at mine a time or two and I do think you could get one in there. The Electric one they sold has a different fuse with a hatch on the bottom so you might could cut a hatch in the bottom of the glow model and do the same thing.

Other than the hatch the fuses are identical so I don't see why you couldn't get one in there. Might be worth a try.

and just for the record... I wish mine was electric!

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Old 01-22-2011, 06:27 AM   #8
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I believe the current Hangar 9 Piper J-3 Cub 40 is set up for either glow or electric. Their recommended electric setup is a Power 46 with a 4 cell 4200 or two 2S2P 4200's. 80" wing span.

Nothing in the manual about the electric setup though.
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Old 01-22-2011, 01:46 PM   #9
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Originally Posted by Turner View Post
I believe the current Hangar 9 Piper J-3 Cub 40 is set up for either glow or electric. Their recommended electric setup is a Power 46 with a 4 cell 4200 or two 2S2P 4200's. 80" wing span.

Nothing in the manual about the electric setup though.
As I said, they are the same airplane except for the fuse which is built a bit differently. I have the glow version and a friend at my field has the electric. I've been able to compare them directly.

The electric version has a hatch on the bottom of the front of the fuse for the battery where the glow does not. There is bracing in the nose for the fuel tank for the glow whereas there is not for the electric.

It would not take much though to make it work for electric since they are essentially the same airplane. There is no difference in any of the bulkheads within the fuse.

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Old 01-22-2011, 02:55 PM   #10
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I guess it was just wishful thinking on my part. I know with some of their ARF's, like the Alpha 40, come with parts for both glow and electric. The J-3 40 is a nice looking kit none the less. Some very nice details are evident looking through the manual. I really like the way they did the wing servo mounts. Lots of nice little details on the hardware. I almost wish I had got one of these over the trainers I have.
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Old 01-22-2011, 04:15 PM   #11
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Hybrid,

I don't know if you are dead set on the J-3 or not but Hangar 9 has another very interesting high wing plane with a 69.5" wing span. The Toledo Special 40 ARF comes with instructions for electric installation and the parts for either glow or EP. It has a battery hatch under the nose.
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Old 01-22-2011, 04:41 PM   #12
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I have bought 2 planes from this site on Ebay with good results. Here is a link for a Jr cub for 129.00. quality of both planes where good.

http://cgi.ebay.com/HUGE-890W-RC-Air...item2a0abbb54f
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Old 01-22-2011, 04:45 PM   #13
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Isn't this the nitroplanes.com Cub ($89)?
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Old 01-22-2011, 04:54 PM   #14
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looks like it the wife bought me the seniorita from this place worked out to the same price as Nitro Planes. Nitro is a lot cheaper for the cub.
http://www.nitroplanes.com/cmp-cub-ep-1830mm-kit.html
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Old 01-23-2011, 01:19 AM   #15
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I wanted an electric Cub so I built a Sig 1/5 scale J3 because it had a functional door/window that could be used as a battery hatch. Other than that converting to electric is fairly straight forward. Buy or make a mount for the motor, put the battery where the fuel tank would go and create an access for the battery.

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Old 01-24-2011, 01:10 AM   #16
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Thanks all who have responded to my request for information. Sounds like I have alot of options here. I am researching them all and will soon be flying a electric cub of some sort.
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Old 02-12-2011, 09:35 PM   #17
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The closest scale model to the real thing on the market is the new STARMAX J3 EP, ARF.
It comes as either a civilian J3 in Cub Yellow or a military version in Olive Drab.
All servo's, motor/esc and a 12 x 8 prop are included.
Trouble is it only has a 55 inch w/span, so may be too small for your liking.
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