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os46AX high speed needle

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Old 05-13-2012, 03:34 AM
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Default os46AX high speed needle

I have a 46ax which is mounted inverted. It has done around 150 flights and is running fine with good transition and idle. The problem (if it is one) is that the high speed needle is only out 1/2 a turn. Also if I wind the HS needle fully in the engine will continue to run. Is this an issue and if so what can I do to rectify it?
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Old 05-14-2012, 06:16 AM
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Default RE: os46AX high speed needle

The needle seat is bad. You need a new needle valve holder:

OSMG7168 24681910 NDL VLV UNIT BDY 40G US$9.99

These parts can be ordered through any hobby retailer who sells O.S. Max engines and accessories.
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Old 05-14-2012, 12:18 PM
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Default RE: os46AX high speed needle

Thanks for that.
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