RunRyder - Converting belt driven tail to seperate motor?

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e-Electric Conversions > Converting belt driven tail to seperate motor?

bigmac2000
Heliman
Location: London, England.

Can anyone tell me, would there be any advantage in converting a larger electric heli, eg Voyager E, from belt driven tail to having a seperate motor like the micro's?

Also, if it were to be an advantage, how could this be done? Would it be a case of connecting a giro to a seperate speed controller to control tail rotor speed, and having a fixed pitch on the tail rotor?

Can anyone help? This is something I am thinking of doing, just to see if it works.

07-20-2004 Over year old.

Gary Jenkins
Elite Veteran
Location: Wilmington, DE

It would only be a disadvantage. The pitch response of the variable pitch blade is a lot faster than the response of slowing a motor/fan.

07-21-2004 Over year old.

vaportrail
Senior Heliman
Location: Anchorage, Alaska

I thought this would work well for a scale bird. But instead of changing the rpm of the tail rotor, just leave the pitch change mechanism in place. A small brushless motor running at its optimal rpm all the time would work great. In a big heli the weight wouldn't be a big factor.

Just my $.02

chuck

The real point of terrorism is not the act itself, but our reaction to the act.

08-01-2004 Over year old.

nuttcase21
Heliman
Location: Buffalo, NY

depending upon the heli and it's boom size, you might be able to put a small brushless motor like a razor inside the tail boom and just couple it to a conventional gearbox (one with an input shaft and a 90 degree gear set). then all you'd have to do is get a p-10 controller and set it on governor and then change your pitch accordingly. works in theory but practical.....? just some input.

08-02-2004 Over year old.

Jaxx0n
Heliman
Location: Minnesota

Are you planning on doing this just to see if it can be done?

I want to get AWAY from having a separate tail motor since they have a runtime life of 2 hours before they burn-out. I currently have a piccolo, and want to get rid of that rear motor....never should be used in my own opinion.

10-20-2004 Over year old.

pulsar110
Senior Heliman
Location: Provo,UT

I did it on my Eco 8. Just for kicks and giggles. It worked but would only be good for scale like flying. I mounted a Wattage fan on the tail and shortened the tail up about 4 inches to help with CG. The only problem really is that the motor in the tail needs to be able to make faster adjustments than what I could get it to do if I wanted to do more than scale flying.
If you goto the Eco thread and go back about 6 or 8 months I think I put a pic in there somewhere along with a thread about it. Have sense disasembled it. I wanted to use it in a Scale Daufine.

Fly it like its a rental...

10-20-2004 Over year old.

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e-Electric Conversions > Converting belt driven tail to seperate motor?

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