Tuning for High Altitude Performance

[Brett Dikeman]

On Thu, Nov 12, 2009 at 9:51 PM, Mark Rosenkrantz
<speedracer.mark at gmail.com> wrote:
> Yes, it would.  I recall reading (years ago) about modifying (bending) the
> arm for this purpose... but I'd have to find that book on the shelf
> (assuming that I'm recollecting correctly).
>
> But either way, the flap's "lift" would change with density.  "Force
> density" if I recall the correct term from basic fluid dynamics.

Of course the lift would change, as it should.  The question is: does
it change appropriately?

http://www.google.com/search?q=bosch+CIS+altitude

...seems to indicate that maybe not, and some variants of CIS had
additional measures for altitude compensation?

-B