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Century Helicopter . MTA Hobbies . Model Rectifier Corp

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Scale Model RC Helicopters > Scale Rotor Direction/Tailrotor Location
 
 
fullerflyer
Heliman
Location: Dallas, TX

What's the deal with Clockwise vs. Counter-Clockwise rotors?

I only ask, because, there are many very nice .30 size scale heli's floatin' around in these parts, however, I'm curious as to why mechs and scale fuse's (particularly Century) all have the tailrotor on the right side of the fuse, when in fact, most full-size choppers (Bell 222/Airwolf particularly) have the tailrotor on the left side.

I'm assuming there's some reason for this? If not, I'd assume many of you would be altering your projects for more "scale-like" replication...

I have noticed that Vario's scale helis do have the rotor direction/Tailrotor location on the proper side. Furthermore, they also offer flybarless head configurations, which I'm sure if another animal all together...

With regards to Century, is this simply a manufacturing issue, in that all of their pod and booms have opposite rotor direction/tailrotor location than the full size choppers, and therefore their scale helis are too? Or is this due to some flight characteristic which makes it easier to fly this way?

Also, could one feasibly reverse the direction of the rotor, and change the side of the tailrotor on these heli's without any problems.

Thanks.

03-11-2004 Over year old.
 
 
smosher
Senior Heliman
Location: canada

As far as I know, for a scale machine, the correct location (side) of the tail rotor is the location it is on the real thing.

My Vario Benzin did have the tail rotor on the left in P&B. However, since the Bell 212 has the tail rotor on the right, I had to flip it over. Vario has the parts to do this and I maintained the direction of rotation of the blades by changing the location of a gear on the front.

I'm not sure if you can do this with other P&B's. I think if, for example, you're using Brand X P&B and planning to put it in Century fuse, you're probably stuck with the original P&B configuration.

As for the main rotor blades, the Vario Benzin rotates CCW (as does the Bell 212); my X-Cell and JR Z230 gassers both turn CW. I don't think you can change this. I don't know about the Bergen and the new Predator - no experience.

Hopefully, others will jump in here with info on .30 and .60 glow.
03-11-2004 Over year old.
 
 
Moore
Senior Heliman
Location: California 93094-0940

All Vario stuff can rotate either way with a simple parts swap. Same thing goes for the tail right or left side. That way your scale project will have a true scale rotor direction. Almost all Vario P&B's rotate left out of the box. That way there is no mods needed when placing your mechanics inside a fuselage.
03-11-2004 Over year old.
 
 
Heli-Driver
Elite Veteran
Location: Arlington, TX

If you're worried about contest scale judging I don't think you would lose points because the direction of the rotors was off but you would certainly lose static points if the tail rotor is on the wrong side.

I have a Hughes 500E Century scale ship with Raptor 60 mechanics, I had to flip the tail 180 degrees to match the real thing. The scale is a left side tail and the Raptor has a right side tail.



Raymond

Predator Gasser SE/231 X 2
Century Helicopters
03-11-2004 Over year old.
HOMEPAGE  
 
 
MikeDD
Senior Heliman
Location: Elkhart, IN

The Ecureuil/Astar main rotor goes CW like most r/c do and it's tail rotor is on the right.
If you look at pictures of early Hueys and Cobras you will see the tail rotor on one side and later the other.

Michiana R/C Choppers
03-11-2004 Over year old.
HOMEPAGE  
 
 
edg
Senior Heliman
Location: San Francisco, CA

I have a Vario Bell47G w/Skyfox mechs. The Main rotates CCW. The T/R gearbox is flipped upside down with the T/R on the right. The rotation of my T/R is opposite of normal which is rotating up into the main wash. Seems to make absolutely no difference other than just accounting for radio and gyro directions.
03-12-2004 Over year old.
HOMEPAGE  
 
 
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Scale Model RC Helicopters > Scale Rotor Direction/Tailrotor Location
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