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Old Dec 19, 2011, 01:01 PM
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Centerville, In. USA
Joined Jul 2001
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Using broken Proto Max parts for an indoor plane possible?

My ProtoMax heli is broken again and I am sick of fixing it. So I was wondering if anyone has used the little circuit board with Rx/esc/servos built in for an indoor plane. Our club members fly in a small gym during the winter so that is why I want to build a plane. I am looking at a little motor /gearbox from Hobby King to power it. I was told that the amp draw is about the same as the rotor motor so I'm thinking it might work out. Any suggestions on this for a plane I can build out of thin depron or stick balsa and tissue? RCNutt
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Old Dec 19, 2011, 01:14 PM
Future Pilot
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Really depends on the type of plane you are looking to build.

Here's a random nice one which might fit what you are looking for:

http://www.rcgroups.com/forums/showt...highlight=byob

If you can include some specs of the electronics you have and what kind of plane you are interested in building, I am sure we can find more suitable matches.
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Old Dec 19, 2011, 08:02 PM
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No, not nearly that big. The equipment is from a ProtoMax heli. The the little circuit board I believe, has a reciever, 2 servos, and a brushless esc. and is very light.This is the motor I might buy for it. http://www.hobbyking.com/hobbyking/s...dproduct=10000 I guess a wingspan would be between a foot and a foot and a half. I want something stable and fairly slow. I may have to just take a shot at it to learn what will work. Thanx anyhow. RCNutt
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Old Dec 19, 2011, 08:15 PM
Future Pilot
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If it has a brushless ESC, I don't think a brushed motor will work with it as far as I understand. Why not get a micro brushless motor then?

This one is 10g and really great http://www.hobbyking.com/hobbyking/s...idproduct=5358

If you want even smaller, then try this one http://www.hobbyking.com/hobbyking/s...er_2000kv.html

I like brushless much much more than brushed.

Cheers!
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Old Dec 20, 2011, 04:45 AM
Sopwith Camel's Cousin
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Quote:
Originally Posted by rcnutt View Post
No, not nearly that big. The equipment is from a ProtoMax heli. The the little circuit board I believe, has a reciever, 2 servos, and a brushless esc. and is very light....
The Revell ProtoMax heli is a rebadged Nine Eagles Solo Pro heli,
similar to an E-flite mSR heli.
AUW is about an ounce.
The board has a receiver, 2 servos and a brushed (not brushless) esc.
Another way to view the board is that it is similar to a Vapor board (no servo reversing though, as far as I know),
plus some parts that are not normally used in a plane: a gyro and an esc for a tail motor.

One thing to do is to look for plane plans that reuse a Vapor board (aka "Vapor brick" or "Vapor guts").
Some might be in the "indoor and micro model" forum.
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Old Dec 20, 2011, 09:17 AM
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Centerville, In. USA
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6 ounce indoor plane

To astronaut, That 1st motor you suggestred looks like one that I have on this 6 ounce plane I designed and built. I use a APC 5.5 prop with a 2 cell 500mah battery. This plane works in the small gym but intimidates all the other flyers that fly Vapors, small foamies and micro helicopters. The one I want to build will be much smaller and lighter. RCNutt
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Old Dec 22, 2011, 03:08 PM
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Revell Proto Max heli circuit board question

I pulled my circuit board out of my Revell Proto Max to use it for a small indoor plane, but I forgot to take note of which plug the larger rotor motor wire plugs into. I'll put on a picture. Could someone tell me if it plugs into "A" or into "B"? RCNutt
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Old Dec 22, 2011, 04:51 PM
Sopwith Camel's Cousin
Between my tx and crashed aircraft
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Quote:
Originally Posted by rcnutt View Post
I pulled my circuit board out of my Revell Proto Max to use it for a small indoor plane, but I forgot to take note of which plug the larger rotor motor wire plugs into. I'll put on a picture. Could someone tell me if it plugs into "A" or into "B"? RCNutt
Wiring shown in the attached photo (from post 1 of the SoloPro FAQ thread in the micro helicopters forum:
http://www.rcgroups.com/forums/showthread.php?t=1337008
)

The main motor looks attached to the "upper" set of pins: B.

One way to test: plug in the battery and motor and increase throttle to run the motor a little.
Then turn the board as if yawing the helicopter. If the motor speed changes, the pins are probably for the tail motor.
If the motor speed stays about the same, the pins are probably for the main motor.
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Old Dec 22, 2011, 07:04 PM
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Good thinking. Yaw is controlled on the right stick correct? I could use the tail motor to run the test with. That way it can't do any damage. Thanx for the tip. RCNutt
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Old Dec 22, 2011, 08:47 PM
Sopwith Camel's Cousin
Between my tx and crashed aircraft
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Quote:
Originally Posted by rcnutt View Post
... Yaw is controlled on the right stick correct? ...
On the heli (assuming a mode 2 Tx):
Yaw (rudder) is controled with the left stick.
Aileron/roll/(left/right cyclic) is controlled with the right stick.

Thanks
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Old Dec 22, 2011, 10:46 PM
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Thanx Flying llama, I got it figured out now. RCNutt
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