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HelicopterEngines Plugs Mufflers Fuel › Fuel Tubing ID/vs Needle setting
09-02-2009 06:28 AM  8 years agoPost 1
Gearhead

rrMaster

Vt

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I'm just wondering if anyone has found that changing Fuel Tubing ID effects Needle Setting ??

example,,
if you went from a Large ID to a Smaller ID did you have to Open your Needle more ??

just wonder..

Jim
Buzz Buzz Buzz

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09-03-2009 06:50 PM  8 years agoPost 2
vavavoom

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London, England

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I regularly change fuel tubing as a consumable item and use various different types with no changes in needle settings.
That said, I have known someone with a 90 helicopter have lean running problems at high rpms and that was traced no a very narrow id tube that appeared to be restricting the fuel flow.

## Inteligence is knowing a tomato is a fruit...Common sense is not putting it in a fruit salad

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09-04-2009 12:40 AM  8 years agoPost 3
Gearhead

rrMaster

Vt

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""I have known someone with a 90 helicopter have lean running problems at high rpms and that was traced no a very narrow id tube""

well after I post this question I changed out to a smaller ID on my Hyper 50, I only ran it long enough to find out it really messed up my Idle, I had to open up the Idle Screw about 10 degrees and it still would hang high after I landed from a hover, I never go it into FF, so now I have went back to the Medium ID..

Jim
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09-04-2009 10:38 AM  8 years agoPost 4
Alexander01

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Sweden

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The smaller ID of fuel tubing will decrease the fuel flow. The same goes for long tubing vs short.

QuickUK Team Pilot SAB Team Pilot

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HelicopterEngines Plugs Mufflers Fuel › Fuel Tubing ID/vs Needle setting
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