Tuning for High Altitude Performance

Mark Rosenkrantz speedracer.mark at gmail.com
Thu Nov 12 18:51:21 PST 2009


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.
Mark Rosenkrantz
On Thu, Nov 12, 2009 at 9:34 PM, Brett Dikeman <brett.dikeman at gmail.com>wrote:

> On Thu, Nov 12, 2009 at 9:31 PM, Mark Rosenkrantz
> <speedracer.mark at gmail.com> wrote:
> > But with CIS-E, won't the base idle mixture (3mm CO adjustment screw)
> > somewhat effect the performance at altitude?
>
> Relative oxygen content doesn't change at altitude.  Does the plate's
> metering accuracy change with density?
>
> -B
>


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