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My first Depron plane

Old 05-17-2005, 10:57 PM
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Default My first Depron plane

This is my first attempt at building a plane from Depron. I'm pretty happy with how it turned out. All the Depron is 6mm. I admit there are a couple pieces of balsa in there, the top and bottom of back half of fuse have balsa. I used an old fiberglass rod from a Slow Stick wing and as a wing spar. You might be able to see it under the blue trim. It likes full throttle...will cruise and half, but needs a little more for a turn. There is no dihedral and no shape to the airfoil. So far it's been fun... I think it could use more power though.
Does anyone know which will burn out first the motor or ESC if I go up to three cell Lipo?

Ailerons and Elevator- HS55
ESC- GWS ICS100
Rx- GWS Pico
Motor- Great Planes 180
Prop- GWS 4530
Battery- Kokam 340mAh 7.4v
Weight- 5.50 oz... some minor repairs have added a quarter oz
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Old 05-17-2005, 11:45 PM
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Default RE: My first Depron plane

Looks pretty neat! There must be some possibilities here for some back yard combat!
Old 05-18-2005, 01:14 AM
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Default RE: My first Depron plane

Hey Piggy! I was thinking more along the lines of back yard racing. This plane tracks pretty good if there is now wind, but barely loops so I don't know how much fun combat would be... I'm sure that could be fixed with more power though! Yes..yes..more combat!

I was giving a friend of mine a demo in his 1 acre yard, thing was that I was only using 1/3 of that acre. Flying behind trees and waiting for it to come around is fun too.
Old 05-18-2005, 03:40 AM
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Default RE: My first Depron plane

Looks cool! If you want to get lots more power than the GP 180, try a Johnson 250 which costs from 50 cents to $3. It will run on a 2 cell LiPoly pack and runs best when drawing about 7A.
Old 05-18-2005, 03:27 PM
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Default RE: My first Depron plane

I have a 180 motor and it is only rated up to 9 volts. If you use a three cell lithium poly it will be 11.1V. It will likely draw over 8 amps. So if you ESC is rated to 10 amps it will probably be fine, however the motor will likely give out before the first battery pack is used up. Good luck! If you want to have more speed and power switch to a 3 cell lithium polymer, and brushless motor set. If you are like me though, you won't because brushless is so expensive.
Old 05-19-2005, 09:23 AM
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Default RE: My first Depron plane

Thanks for the suggestions guys. I agree brushless is to much $$$ in my opinion. Unless I went with a homemade CD motor...that might save $30 dollars or so. If the Johnson 250 likes 7 amps I would need new batteries. Mine are only 6C. Do they make small 20C batts? Somewhere around 340mAh....
Old 05-19-2005, 02:36 PM
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Default RE: My first Depron plane

Kokam and Tanic make 20C 340/350mAh LiPolys. I use Apogee 830mAh which can handle 9A continuous and only weigh a 1/2oz more than 350mAh.

I've been thinking about making a CD-Rom motor too, but the brushless ESC is the killer.
Old 05-20-2005, 12:43 AM
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Default RE: My first Depron plane

Thanks for that battery info Bipe. Your little depron plane you showed here is couple months ago is the reason I decided to give this a try. I will have to get some 2 or 3mm next time. I think I could do more with that... true airfoils n'stuff.
Old 05-20-2005, 09:28 AM
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Default RE: My first Depron plane

I don't know what your budget is but Balsa Products has a good brushless outrunner and esc for around $50. I bought one ,had a problem with the motor and they fixed it right away. Seems like a good combo for the money. Good product, good support, tough to beat.

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