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Re: Low RPM's



Alan,

Can you explain the new mags can be timed incorrectly internally but ok
with buzz box?  And how could somebody know?

Greg




Alan Shaw <wingco@iu.net> on 08/28/98 04:11:28 PM

Please respond to reflector@awpi.com

To:   reflector@awpi.com
cc:    (bcc: Greg Otto/CONTRACTOR/DALLAS/CYRIX)
Subject:  Re: Low RPM's




Andrew and Brian,

 Franklin  66-76" prop.

> He's getting 2000 RPM on run-up.
> What sort of pitch is everyone else using?

That pitch should be OK if the prop is thin.What brand of prop?
Thickness?  Cord?

Other factors that effect static:
Advanced timing....is it running hot?  New mags can be timed wrong
internally and check out OK with a buzz box.  Jeff's electronic should
be fine but easy to check. Have you done a static on just the mag or
just the electronic?
restricted intake...airfilter?
Fuel flow.. fuel pump...fuel filter....carburetor?

Ideally it should static 300 rpm below max rpm for best all around
performance.

Alan