[Spridgets] Rejetting carbs for high altitude

JLC breton48 at live.com
Mon Mar 23 12:57:05 MST 2009


Mike,

 

That's one advantage of the SU carb over the Webers: you can adjust the
mixture by just turning the flats on the SUs, you have to change the jets on
the Webers.

 

JLC

 

Mike MacLean wrote:

I live in San Bernardino, California which at above seal level by 1157 feet.
I know this from my flight engineer days at Norton Air Force base.   I have
been up to Big Bear lake with my Bugeye and have only set my carbs leaner by
a flat or two each time.  The car ran fine as long I remembered to richen
them back up when I got back down from the Mountain.  Big Bear lake is about
7000 feet above sea level.  Just to add to the confusion, I had to monitor
two altitudes on the C141 aircraft, height above sea level for engine
performance and height above ground level for aircraft longevity.


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