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Home✈️Aircraft🚁HelicopterAlignOther › Very Shaky Up Top...
08-02-2007 07:08 PM  13 years ago
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JMF

rrApprentice

Clinton

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Very Shaky Up Top...
I do not have the servos in yet. I really hope that makes this frame more rigid. When I grab the top of the rotor head I can very easily move the whole frame side to side. I can see that being a problem.
So please tell me the servos strengthen everything...
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08-02-2007 07:11 PM  13 years ago
Chuckie (RIP)

rrKey Veteran

Crofton Maryland

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So please tell me the servos strengthen everything...
No they don't

How tight are the screws holding the bearing blocks to the side frame? Is the landing gear, bottom brace, servo tray, and tail assy installed?
Please stand by for faster service!
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08-02-2007 07:31 PM  13 years ago
BarracudaHockey

rrMaster

Jacksonville FL

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Talk to JaxRotor, he used another frame spacer near the top between the canopy mounting studs.Andy
AMA 77227
http://www.jaxrc.com
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08-02-2007 07:37 PM  13 years ago
GScott

rrElite Veteran

Lewis Center, OH

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Nope they don't. There really isn't any frame stiffening. I can grab the head and twist the frame on every 600n I have seen so far.
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08-02-2007 08:07 PM  13 years ago
JMF

rrApprentice

Clinton

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Maybe all that flex is what is killing the one way bearings...
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08-02-2007 08:45 PM  13 years ago
JAGNZ

rrProfessor

Auckland, New Zealand

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Anyone have a part number for the extra frame brace/spacers? I'd like to get some myself...

Is it these:
http://www.helikraft.com/ALIGN+RC/6...olt+HN6018.html
by chance?

Jason Greenwood

www.3dheli.co.nz
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08-02-2007 09:12 PM  13 years ago
colsy

rrElite Veteran

Cambridge, UK

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It doesn't need anything else, at all,, yes it flexes but doesn't effect anything in flight.

The one-way is supported in-between the 2nd and 3rd bearing block and is probably the 'stiffest' part of the frame assembly.

Colin.
Only Quote From Experience.
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08-02-2007 09:32 PM  13 years ago
j5coat

rrVeteran

Phoenix

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if you dont have the anti-rotation in it will be a little flimsy up there.Trex 700, Trex 600n
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08-02-2007 09:38 PM  13 years ago
702nitro

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Las Vegas, NV

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Are you sure that you're not flexing the landing skids when your doing that?
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08-02-2007 09:43 PM  13 years ago
Barney

rrKey Veteran

Inverness Scotland

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I'm with colsy on this..it's well up to the job in hand

Note:- The overall frame stiffness comes from having ALL the parts fitted including the servo's.

Most motor vehicles are constructed this way it's knowm as 'Monocoup' construction..
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08-02-2007 09:53 PM  13 years ago
JAGNZ

rrProfessor

Auckland, New Zealand

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Or 'stressed members'
Jason Greenwood

www.3dheli.co.nz
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