<VV> deflashing theory

[Chuck Kubin]

Hey Ned,

We're on the same page. I'm an A&P, so I know the
effects of both having too little fin and blocked or
turbulent airflow on an air-cooled engine. I'm just
trying to get it to the point where I'm not running
hot enough to make diamonds out of spilled oil.
I estimate, from the pictures in today's posts, that
my heads are/were 90-95% flashed over.  No small
wonder it positively cooked at highway speeds.
I just want to get it to coll the way the General made
it to cool. If I get all the flash with nothing more
than scratches on the rest, I should be fine.  None of
my tools remove any significant metal.

Chuck

--- AeroNed at aol.com wrote:

> What Bob said is very true. The air needs to pass
> over something to pull  the 
> heat out. Removing the flash is a good thing but
> removing additional  
> material can be bad, very bad. As the flash is
> removed the head  temperatures will 
> come down. If material is removed further you'll get
> to a  point where too much 
> area has been removed and then the temperature will
> go  up.
>  
> Be careful out there...
> Ned
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