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Old Oct 31, 2011, 04:05 PM
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hk 450 tail advise..

I,m building a hk450 heli, just fitted the tail gear box, its all alloy so thought it would be a good idear to thread lock all the screws.....bad idear, the tail became very stiff! have removed the thread lock and is now smooth running but am a bit concerned that the screws could shake loose, can anyone advise on the procedure of what should be thread locked on the tail? and how smooth running it should be?

Thanks for any replies.
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Old Nov 02, 2011, 10:32 AM
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Tip,, this forum is for (( large helicopters...))
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Old Nov 03, 2011, 04:19 PM
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hmmmmm ok, very sorry.
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Old Nov 03, 2011, 04:20 PM
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compaired to my micro heli this one is large
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Old Nov 04, 2011, 09:48 AM
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I see your point!!! LOL
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Old Nov 05, 2011, 10:59 AM
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Quote:
Originally Posted by ripmax View Post
I,m building a hk450 heli, just fitted the tail gear box, its all alloy so thought it would be a good idear to thread lock all the screws.....bad idear, the tail became very stiff! have removed the thread lock and is now smooth running but am a bit concerned that the screws could shake loose, can anyone advise on the procedure of what should be thread locked on the tail? and how smooth running it should be?

Thanks for any replies.
If you screw the moving parts in too far you can effect geometry. So, looking from the rear, check your Tail rotor connector. It needs to be parallel to the boom and shaft (I'm a noob but this is what I did) That part off angle, to tight is a place to look. Also, have the many parts in the tail rotor connector in proper order. I locktited everything but making sure correct geometry and smooth movement.

Also the pitch slider arms can fold in >< and bind. This can go back to screws being a different depths.

I loosened everything. Then slowly tightened until it was square and freely moving. Then locktited. Go rid of the arms bending in by moving the grips in <1mm on the tail shaft.

Hope you got some ideas. I bought the Align metal tail rotor connector but am replacing that with a Tarot tail.

Sorry, for the off forum post. Trying to help.

T
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Old Nov 08, 2011, 01:51 PM
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Thanks.
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