Another Webra 1.45 AAR Data Point

[glenn hatfield]

Probably too much oil in the fuel.  The webra like 16-18% oil; no 
more.  Most four stroke fuel is 20% oil.

Randy



----- Original Message -----
From: RC Steve Sterling <rcsteve at tcrcm.org>
Date: Sunday, June 29, 2003 8:32 pm
Subject: Another Webra 1.45 AAR Data Point

> I've been running 15% Cool Power all Synth in my Webra 1.45 
> (original carb)
> mounted in my Focus. Information received from this discussion 
> group helped
> me tune through a rich midthrottle {lowered pump pressure 1/2 turn and
> lengthened pipe an inch). Been running great through the last week 
> (tooksome days off to tune and practice).
> 
> First flight yesterday, she goes real rich on takeoff then flames 
> out before
> I can get it back around. Ground tests showed I could keep it running
> through mid & full throttle only if I leaned the high end mixture 
> to max
> rpm-- why too hot.
> 
> What had changed??  I had been running it on 15% Cool Power, ran 
> out of
> that. Found some 20% Cool Power 4 stroke in the garage, and had 
> put that in
> the can. Figured it would work OK with a retune, and had done that 
> beforethe fateful takeoff. Guess that decision wasn't so good.
> 
> I found a gallon of Magnum #1. Drained the tank of the 20% 4 
> stroke and
> refilled with the #1. Cranked it back up. Ran like a top, great 
> transitionthroughout the range. Able to richen up without problem. 
> Flew today and it
> ran great.
> 
> If the symptoms sound familiar, try something like 15% all synth 
> or Magnum
> #1.
> 
> 

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