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HomeAircraftHelicopterThunder TigerOther › New clutch - how do I know if bad or good ?
07-19-2002 04:06 AM  16 years agoPost 1
le fou

rrApprentice

Utah

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I got my raptor
I am inspecting the clutch. The clutch liner has already been installed for me. It seems that it is well glued but how can I know for sure ?
As well, some people talked about excessive clearance between the clutch and the clutch liner, mine seems to be fine, did TT modify their design ?
From Fitz web site, I found that about the clutch:
"The clutch itself has a design flaw. The clutch shoes that move out due to centrifucal force to engage the line may hang up on top of the fan hub. Filing away the section under the shoes or installing a shim between the clutch and fanhub will provide adequate clearance. "
I am not sure if I understand what I need to do here.

Thanks for your help.

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07-19-2002 04:52 AM  16 years agoPost 2
Stet

rrElite Veteran

Key Largo FL

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Raptor 30 I assume? Does the clutch bell have a ring carved on the OD of the widest part? If so, it is the new design, and might be a tighter fit. You want 0.010 on each side of the clutch between the clutch and the liner. If you wrap the clutch with 2 layers of electrical tape and it fits snug it should be fine. As far as how well it is stuck, you might try to slip an xacto knife behind the liner and see if it pops out where it is split. If it is a kit, I don't believe the liner is glued. If there is too much space between the liner and the clutch, and if the liner is not glued in, put a layer of business card between the bell and the liner and glue it all in with a limited amount of thick CA.

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07-19-2002 05:00 AM  16 years agoPost 3
le fou

rrApprentice

Utah

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Yes, it is a raptor 30. It is a kit and the liner is already glued. It is the new design. How do you measure the clearance between the liner and the clutch ? Are you using a caliper or a feeling gauge ?

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