Reply-To: "Tracy Crook" <lors01@msn.com>
From: "Tracy Crook" <lors01@msn.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2517080@logan.com>
Subject: Re: [FlyRotary] Re: Cooling / Pressure recovery
Date: Mon, 11 Aug 2003 19:27:43 -0400
Organization: Real World Solutions Inc.
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Tracy Wrote:
>   If you DO
> > manage to design
> > a cooling system that will cool at full throttle on the ground, it is
> > probably a disaster in terms of cooling drag while in-flight.
> >
>
>
>  Uughhh... I really hope you're wrong about this. Mine cools great on the
> ground. Define "full throttle" in terms of length of time? I've gone to
full
> throttle for about 8 seconds with 6 psi boost, just to test it, however I
> normally limit it to 0psi boost or 30" MAP. At this I've done static
run-ups
> for up to a minute. I've taxied around for 45 minutes at various power
> settings and never seen more than 90C on the coolant and 85C on the oil.
> I hope it's not a wind bag in the air.
> S. Todd Bartrim
> Turbo 13B RV-9Endurance
> C-FSTB

Hmmm......   You don't think 8 seconds counts as cooling do you?  : )
By cooling, I mean that the temperature has stabalized.
Lots of dragsters have no cooling system at all and "cool" OK for 5 - 10
seconds.

Tracy