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HelicopterEngines Plugs Mufflers Fuel › Thread in Hatori manifold brakes,,,
12-25-2008 09:21 PM  8 years agoPost 1
Knud Pedersen

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Denmark - Europe

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Hi

The threads in my Hatori Manifolds keep braking.
I use grren loctite to secure the screws.
Now I have to use a Nut on the backside of the manifold.

Dio you also have this problem?

PS:
The rubber dampners also brakes almost everytime a unscrew the muffler...

ChopperKnud
Team Miniature Aircraft
ThePitchbrothers

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12-25-2008 09:25 PM  8 years agoPost 2
george0079

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USA

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The NEW vesion Hatori manifold has steel nut insets. And the Kasama manifold does, too.

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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12-25-2008 09:26 PM  8 years agoPost 3
Knud Pedersen

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Denmark - Europe

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The NEW vesion Hatori manifold has steel nut insets
NICE
Any pictures?
Is there made a 5,5 mm hexagon, on the backside, where you can place a nut?
Is the nut force down into this hole/hexagon?

I geuss i can get such a hexagon made at my work, in my old manifolds..

ChopperKnud
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ThePitchbrothers

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12-25-2008 09:52 PM  8 years agoPost 4
Quandumphone

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Yuma, AZ

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Here's a link to the nuts (but out of stock currently):
http://www.readyheli.com/Hatori_SB1..._Nuts_p/953.htm

You can probably cobble something together with just the nuts but a replacement backplate is also available. Here's what it looks like. The nuts have a knurled part that locks into the backplate.

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12-26-2008 09:10 PM  8 years agoPost 5
Knud Pedersen

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Denmark - Europe

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if these new hatori Nuts, spins one time, is the hole then broken?

I think i would try to make a 5,5 mm hexagon, in the backside of the manifold, so that a 3M nuts fit hard in the holde.

ChopperKnud
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ThePitchbrothers

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12-26-2008 09:20 PM  8 years agoPost 6
Four Stroker

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Atlanta

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Why don't you try HELICOIL inserts ? OR just buy the new part.

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12-26-2008 09:28 PM  8 years agoPost 7
Knud Pedersen

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Denmark - Europe

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OR just buy the new part.
because i think:
if these new hatori Nuts, spins one time, is the hole then broken?
I think the plate i thin to use helicoil.
And because i have 4 old manifolds.
AND it is free for me to make the hexagon, ( they can do it for me at my workI

ChopperKnud
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ThePitchbrothers

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12-26-2008 10:53 PM  8 years agoPost 8
Quandumphone

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Yuma, AZ

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If you spin it, probably yes but you'd have to really lean into it to do that. The nut is designed like an easy-out. The more you tighten it, the stronger it holds. The nice thing about that is you can loosen the bolt later and the nut will stay in place. If you go with a hex shape pocket, I think you would have a rough time keeping them in place if you ever needed to take the pipe off.

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