HB 61 needle

HB , Helmet Burnhard, engines, Made in Germany. Owned by RJL Industries since 1989.

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HB 61 needle

Postby ricfly52 » Mon Sep 08, 2008 10:48 am

I know I will get this figured out, but how are you guys extending the needle valve for in cowel applications? It almost looks like I may have to drill it out or clamp something on it. It is not set up for an extension now.

This is the standard HB 61 rcmat engine.
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Postby MECOA » Sat Sep 20, 2008 8:17 pm

Take the o-ring out of the needle and solder on a pirce of brass tube. Put the o-ring back in.
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