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Advance Models C130 & Futaba 7C

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Old 07-18-2007, 12:03 PM
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hrrcflyer
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Default Advance Models C130 & Futaba 7C

Hello Everyone,

A friend of mine who doesn't have a computer with internet access just bought the Advance Models C130 from Hobby People which has four motors and his transmitter is a Futaba 7C. According to him, his instructions say to put the two outboard motors on a Y harness and plug them into the throttle channel and put the other two motors on a separate Y harness and put them on a separate channel that you can disable. Can anybody explain to me how mix a channel with the throttle channel and still disable it ? The airplane also has flaps so that channel will be used as well. I am beginning to think it may not be possible to fly the plane with the 7C because it doesn't have enough channels, but I hope I am wrong. Any help would be GREATLY appreciated.

Fly safe and have fun!!
David
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Old 07-18-2007, 01:06 PM
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fritzthecat
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Default RE: Advance Models C130 & Futaba 7C

You could fly that plane with a 5 channel radio if you wanted to. Just double Y the ESCs into ch 3. But it is preferred to split 4 signals over more than one Rx output.

Channel 1-4 = Aileron, elevator, engine 2&3, rudder.
You can put flaps on 5, 6 or 7 - your choice depending on switch/knob availability.
That leaves 2 channels for engine 1&4 control.

What the instructions mean by disabling the secondary throttle channel, is to set it so no stick, switch or knob controls it. Just a 100% mix to channel 3. If a switch was still active on that channel, flipping it could disable the motors or make them go to 100% power when you don't expect it.

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Old 07-18-2007, 03:50 PM
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Default RE: Advance Models C130 & Futaba 7C

Thanks for the information Fritz, I really appreciate it. When I see my friend tomorrow night, I will tell him what I've learned. I have a feeling that my friend is going to wished he put electric motors on this plane so he could use ESC's, but he bought Magnum 30 4-strokes for it instead.

Fly safe and have fun!!
David
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Old 07-19-2007, 04:24 AM
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Jimmy Bananas
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Default RE: Advance Models C130 & Futaba 7C

Check with Futaba and see if they make a 'Matchbox" for their radio..I use JR radio and they make a matchbox for their radios....very simple and friendly user type unit...check it out
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Old 07-19-2007, 09:22 AM
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Default RE: Advance Models C130 & Futaba 7C

Here's what you need:

FUTM4155 MSA10 SERVO SYNCHRONIZER

These parts can be ordered through any hobby retailer who sells Futaba systems and accessories.
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Old 07-19-2007, 11:27 AM
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Default RE: Advance Models C130 & Futaba 7C

Thanks, Bax

I knew Futaba made the synchornizer, I just couldn't remember what it was called. I'll tell my friend about it and see where it goes from there.

Fly safe and have fun!!
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