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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Walbro Carb needle identification
08-01-2007 06:16 AM  13 years ago
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ahh_me2

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Edmonton, Alberta, Canada

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Walbro Carb needle identification
Walbro Carb needle identification

Looking down the throat of the carb, I have on the left side, two needle valves, one in front of the other. Is the one closest to me the hi-speed or idle needle valve?

This is in a Bergen Twin Industrial.

Thanks
Blade Cp / Spektrum Rx - TRex #1 Blk CF 6100 rx- TRex #2 Slvr CF 6100 rx /GY401-9650
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08-01-2007 07:49 AM  13 years ago
Billme

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MS

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Hi needle
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08-01-2007 01:27 PM  13 years ago
rbort

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Franklin, MA - USA

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I don't remember offhand for sure
But it is marked H and L on it. I believe the inside one is the H but double check anyways.

-=>Raja.
MA 1005 Hanson 2703D, 4393 flts
Spectra 27 3DMax, 3455 flts
Whiplash V1-2 Hanson 300, 1982 flts
Whiplash V2 Hanson 300, 907 flts
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08-01-2007 02:36 PM  13 years ago
Chris Bergen

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cassopolis, MI USA

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Bill is correct, the needle farthest from the engine is the HIGH needle, and they are marked right below the needles.Chris D. Bergen
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08-01-2007 04:42 PM  13 years ago
j.8

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Denmark

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Notis the small H and L above each needle

EDIT THIS IS A PICTURE OF A 643
Hope I have`nt confused any one

Bo Denmark
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08-01-2007 05:15 PM  13 years ago
Chris Bergen

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cassopolis, MI USA

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Clarification to avoid further confusion, we use a walbro WJ8 carburetor on the Industrial Twins, NOT a 64X series....

Chris D. Bergen
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08-01-2007 05:18 PM  13 years ago
Billme

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MS

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BTW, the high needle will always be near the larger part of the ventura
Bill
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08-01-2007 06:14 PM  13 years ago
ahh_me2

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Edmonton, Alberta, Canada

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Thank you guys for the quick response!

I'm hoping to fire this engine up later today.
Blade Cp / Spektrum Rx - TRex #1 Blk CF 6100 rx- TRex #2 Slvr CF 6100 rx /GY401-9650
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08-01-2007 06:27 PM  13 years ago
rbort

rrProfessor

Franklin, MA - USA

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Your impressions afterwards
Let me know how it all works for you. I have a post on the helfreak site in the Bergen forum about this. If you can add your comments there it will be great.

-=>Raja.
MA 1005 Hanson 2703D, 4393 flts
Spectra 27 3DMax, 3455 flts
Whiplash V1-2 Hanson 300, 1982 flts
Whiplash V2 Hanson 300, 907 flts
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