hopper

[Karl G. Mueller]

Jerry,

I am with you on this one. Running a Y.S. 140 without a hopper tank
and than changing to a hopper tank setup I have found that I could lean
the engine by 3 clicks on the needle. Going back to just a main tank
without the hopper the engine was set to lean. This should prove that
it is of benefit to run a hopper tank for any set up with the main tank
near the C.G., crankcase pressure or pipe pressure, 2 stroke or 4 stroke.

Karl G. Mueller
kgamueller at rogers.com

----- Original Message ----- 
From: "Jerry Budd" <jbudd at QNET.COM>
To: <discussion at nsrca.org>
Sent: Friday, August 13, 2004 1:30 AM
Subject: Re: hopper


> >Matt,
> >With or without the hopper tank we still have a solid column of
> >incompressible fluid for gravity and G's to play its tricks on.  I
> >contend if it runs ok with the hopper it will run just as well
> >without.                     Nat
>
> Nat,
>
> While not exactly accurate as stated, your point is well taken.  Your
> hypothesis has some merit when the tank is full, but it falls short
> anytime else (which is most of the flight).  Adding just a small
> amount of air causes the system to become compressible (just like the
> brakes on your car).
>
> Jerry
> -- 
> ___________
> Jerry Budd
> mailto:jbudd at qnet.com
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