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HomeScaleAircraftHelicopterScale Model RC Helicopters › 3 blade Vario Lama turbine setup trailing edge questions
04-07-2010 02:39 PM  8 years agoPost 1
Totto

rrApprentice

Norway

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Hello,

Hope for some advise here from persons who have this kind of setup as I mention here as i would like no surprises.

I am currently putting on the Vario 3 blade rotorhead (rotor running clockwise direction ) for my Vario Lama turbine.

What i normally do on clockwise/right hand direction multiblades, put the bladegrip/pushrods in front of the bladeholder (leading edge). On counterclockwise/left hand direction I also put it at the front (leading edge).

One blade over the “tailboom” and no movements / interaction when using elevator stick. Moving the elevator stick forward will make the bladegrip move up. Moving the elevator stick back will make the bladegrip move down.

Clockwise rotation:
Elevator stick forward/back: Swashplate moves to approx 11 / 17 o’clock position

CounterClockwise rotation:
Elevator stick forward/back: Swashplate moves to approx 13 / 19 o’clock position.

Attached - The Vario instruction drawing have the bladegrips/pushrods to the swashplate placed behind the bladeholder (trailing edge).

Well, why have Vario done this ? There is absolutely no explanation or instructions in textform in further setup - very strange – should be easy for Vario to do.

If I have noticed it correctly could be that the angle of the pushrods to the swashplate are greater with the bladegrip/pushrods in the front of the bladeholder (leading edge). If that is the case I understand well why they have done it this way. The pushrods have a more straight angle and that is what we want.

My prelim setup:

My questions are:

Q1:
To have the correct movements on the collective pitch I have to reverse the pitch so when applying minimum pitch the swashplate must go all the way up, and applying maximum pitch the swashplate must go all the way down.
Correct ? =

Q2:
When the blade is over the “tailboom” and you apply:
Elevator stick forward / down = the bladegrip should go up / down ?
Aileron stick left / right = the bladegrip is not moving

Normally is the elevator that shall not move for interaction when applying forward/back elevator stick when the blade is over the “tailboom”

Q3:
Swashplate:
Shall the swashplate move forward/back to approx 11 / 17 o’clock position when using elevator stick ?

If some could give me a instruction on the setup it would be very much appreciated !

Thanks,


Best regards
Totto

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