Any twin rotor choppers out there?

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Hp - 28 Mar 2007 02:05 GMT

Being new to the hobby and having to wait for the snow to melt here in NH. I
am sitting here pondering the following question. Does anybody make a heli
with 2 main rotors like the "chinook" troop carriers? I've never seen one
advertised?
If so how difficult would it be to fly?

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Steve R - 28 Mar 2007 06:28 GMT

> Being new to the hobby and having to wait for the snow to melt here in NH.
> I am sitting here pondering the following question. Does anybody make a
> heli with 2 main rotors like the "chinook" troop carriers? I've never
> seen one advertised?
> If so how difficult would it be to fly?

Yup! Check out the Hirobo Vertol series.

http://model.hirobo.co.jp/products/0406-903/0406-903.htm

I've got one of the original models. The model documented in the link is
what replaced what I've got. Mine is powered by a 30 size engine and uses a
rather complicated mechanical mix mechanism to control the two rotor
systems. The modern version in the link uses electronic mixes. Mine has a
pretty conventional feel in the hover. Yaw control is a little sluggish
compared to a standard main/tail rotor model but feels pretty normal
otherwise. Forward flight is a little strange compared to a single rotor
model but it's nothing that's not workable. They look totally cool in
flight and will have the attention of everyone around when you fire it up!

:-)

Hope this helps,
Steve R.

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The OTHER Kevin in San Diego - 28 Mar 2007 20:30 GMT

>Being new to the hobby and having to wait for the snow to melt here in NH. I
>am sitting here pondering the following question. Does anybody make a heli
>with 2 main rotors like the "chinook" troop carriers? I've never seen one
>advertised?
>If so how difficult would it be to fly?

Check out Tech Model Product's TwinnRexx @ www.tech-mp.com.

Speaking with Joe Orlando @ TMP, he say's it's very stable and easy to
fly. Based primarily on Align's Trex 450 mechs with a custom frame
and electronics. I'm already on the list to buy one when they're
released sometime this summer. Initially there will be a CH47 fuse
available, with a CH46 to follow.

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Model Forum / Radio Controlled / Helicopters / March 2007

Any twin rotor choppers out there?