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HelicopterEngines Plugs Mufflers Fuel › YS 91 SR regulator needle setting
09-01-2009 03:55 PM  8 years agoPost 1
balsapro

rrVeteran

Gallatin,TN

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So curiosity go the best of me and I adjusted the brass regulator screw on my YS 91 SR

I did some research and found this post on how to adjust the "factory set" needle by using the "blow" method.

This worked and I was able to reset the needle so that no air leeks when I blow through it but it seems that this gives me a different setting than where I remember it was set originally. ( the brass screw now protrudes a little outside of the regulators body where I seem to remember it being a little recessed)

anyway does anyone have any more information on how to set this needle?

Do you think that it will be Ok as long as it is not leaking air or should I totally disassemble the regulator to adjust it manually?

Build the Best, Fly the Best, Crash the Best

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09-03-2009 07:14 PM  8 years agoPost 2
balsapro

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Gallatin,TN

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Has anyone ever even adjusted this needle

Build the Best, Fly the Best, Crash the Best

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09-03-2009 07:25 PM  8 years agoPost 3
Dr.Ben

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Richmond, VA, USA

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No one adjusts that screw because there is nothing to improve by doing so. It's set as you noted to square up the little silver lever assembly on the top of the little brass tube and thus make a good seal. After this is accomplished, there is nothing more to do.

Ben Minor

Team Synergy Team Futaba Team Kontronik USA
Progressive RC

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09-03-2009 10:19 PM  8 years agoPost 4
balsapro

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Gallatin,TN

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Thanks for the reply.

I just wanted to make sure that there wasn't something I was missing.

Build the Best, Fly the Best, Crash the Best

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