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Home✈️Aircraft🚁HelicopterThunder TigerOther › tool to lock the fan hub in raptor
07-22-2006 07:13 PM  14 years ago
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Gschnaid

rrNovice

Tel Aviv Israel

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tool to lock the fan hub in raptor
Is there a tool to lock the fan hub in raptor in order to get the prop nut on tight ?

If yes than where can I buy it ?

if no, what is the most easy way to do it ? (I've been in raptortechnique.com)

Guy
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07-22-2006 07:43 PM  14 years ago
DOKEY

rrProfessor

Northamptonshire UK

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Is this possibly what you are after, to lock the crankshaft up which will help you to tighten the fan and nut up?

Do not where you would find one locally to you though!
Ryan.
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07-23-2006 05:12 AM  14 years ago
jschenck

rrProfessor

La Vista, NE.

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I built one of these and find it very useful.

http://www.raptortechnique.com/fanhubtool.htm
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07-23-2006 06:39 AM  14 years ago
BENTDABOOM

rrKey Veteran

west seattle

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I cant imagine spending $$$ on something you wont use too much so simply grab the fan with a rag and tighten the bolt down,you also might wanna use some blue locktite. piece of cakeCAUTION!!! politicians may be hazerdous to your well being
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07-23-2006 07:35 AM  14 years ago
Nick Jones

rrKey Veteran

anderson

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Or take a pan head screw and out it in the bottom of an old glow plug. That will hold the piston great. Ive done it millions of times.
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07-23-2006 08:04 AM  14 years ago
RockDoc

rrApprentice

Middlesbrough, England

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Take the carburettor out and then lock the crank using a toothbrush or something similar. Apply blue threadlock. Loosly fit the two bolts only that hold the clutch in place and use something like a very small spanner to lock the fan down. Then, holding the fan with a rag lock the crank nut down onto it. Should be fine if you do it this way and not spin off. None of mine ever have so far...

I dont recommend using either a piston locking tool as it may damage the top of the piston crown or the con-rod locking tool as it puts too much strain on the con-rod.

D.
Sponsored by Barclaycard!

www.clevelandheli.co.uk
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07-23-2006 10:40 AM  14 years ago
Yug

rrMaster

UK. Herts

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I used to use a tooth brush down the carb but could never get sufficient torque on the nut. Since using the correct crank locking tool, it's a piece of cake. It has also speeded up the time it takes to dial in a fan as it may be on and off 30 times (including tightening the nut) before is as true as can be. This is also aided with a bearing puller. There's nothing like having the right tool for the job.Vegetable rights and Peace
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07-23-2006 12:56 PM  14 years ago
BarracudaHockey

rrMaster

Jacksonville FL

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Or take a pan head screw and out it in the bottom of an old glow plug. That will hold the piston great.
This is the result of doing that or using a piston lock on a 50

Andy
AMA 77227
http://www.jaxrc.com
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07-23-2006 11:10 PM  14 years ago
Peefor

rrVeteran

Norfolk UK

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In addition to the cranklock tool in Dokey's post, you might want to make one of these, which I have found very useful.

The 50's have a habit of throwing the fan if they are not tightened properly.

Pete

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