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Other › Zeroing the swash plate
02-10-2006 10:46 AM  12 years agoPost 1
Tasteless

rrApprentice

Perth, WA - Australia

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Is there an easy way to set the swash plate to level.
I noticed that someone had carved a sold block of steel which slides in around the main shaft for setting the raptor 90 swash.

I am now sort of hovering OK but the TRex appears to be in a slight lean to the left in a near stationery hover.
I suspect that the swash is a little out of centre, any other suggestions?
And I am not tilting my head :-)

Cheers
Tony

-=*As punishment write this out 50 times: the tail rotor blades spin up into the rotor wash *=-

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02-10-2006 10:50 AM  12 years agoPost 2
OICU812

rrMaster

Edson, Alberta, Canada

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Just by eye, if you have it near as close as you can see it by comparing a flat edge of frame or ruler or something like that, then just trim it a click or so in flight with no wind etc.... A heli will naturally tilt one way though due to forces from tail rotor and disc anyways, that is just the pyshics of any rc heli period. It looks odd but they do evern with a perfect level wash and setup. So if it does not drift and just looks tilted thats normal...

...Once upon a time there were Nitros, flybars and frequency pins...

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02-10-2006 11:08 AM  12 years agoPost 3
Tasteless

rrApprentice

Perth, WA - Australia

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Thanks, very reassuring as it looks kinda weird and my wife said I was not doing it properly. What else are wives supposed to do?

Cheers
Tony

-=*As punishment write this out 50 times: the tail rotor blades spin up into the rotor wash *=-

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02-10-2006 11:28 AM  12 years agoPost 4
Ciprian

rrNovice

Villa Rica, GA

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What else are wives supposed to do?
Cook? Maybe?


C~

Raptor 30 V2, Webra 36 GTH, GY 401 / 9253
T-Rex 450XL CDE, Align 430L, CC35, GY 401

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02-10-2006 12:09 PM  12 years agoPost 5
Lorents

rrElite Veteran

Oslo, Norway

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One way to check swash alignment is to take off the main blades and spool up to about 25% throtle. Then you can watch how the paddle disc is angled to the main shaft.

If you hold the throtle at 25% you can also check that the swash plate keeps level throughout the whole pitch range and adjust ATV values until it does.

Just be careful and use goggles



What comes around goes around.

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02-10-2006 03:24 PM  12 years agoPost 6
Ezra

rrApprentice

Blue Mountain Beach, FL

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I just eyeball it throughout the whole range in idle up, with motor unplugged of course.

Alan

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02-10-2006 04:41 PM  12 years agoPost 7
BarracudaHockey

rrMaster

Jacksonville FL

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When viewed from the rear it should lean to the right slightly. This is called translating and its caused by using right cyclic trim to couter the tail rotor blowing the heli sideways to the left. Even full scale are subject to this.

Andy
AMA 77227
http://www.jaxrc.com

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02-10-2006 06:51 PM  12 years agoPost 8
QuantumPSI

rrElite Veteran

Atlanta, GA

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Just a thought, maybe your CG isn't directly in line with the center line of the heli...

Sounds much simpler than what everyone else is saying (but not necessarily right). First thing that came to mind though.

Mikel

...now where was I, dh/dt = BS-dx/dt
I will fly you forever... till earth do us part

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