REFLECTOR: Engine cooling NACA scoops

[Milton Mersky]

Dave:

Consider putting a second oil cooler in the system. It worked great for us.

Milt
----- Original Message ----- 
From: "Dave Philipsen" <velocity at davebiz.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Wednesday, July 16, 2008 7:16 PM
Subject: REFLECTOR: Engine cooling NACA scoops


>I have been struggling with marginal cooling on my STD FG equipped with
> armpit scoops.  The only way I can keep cool enough during cruise is to
> fly above 6000 feet and run LOP.  I have been somewhat successful at
> bringing the temps down by repairing/reworking the baffling and seals as
> well as doing a little rework on the scoops themselves but I'm still not
> happy with it.  I'm seriously thinking about retrofitting it with the
> overhead NACA  vents and downdraft cooling.  My question is:  Does
> anyone have templates that I could borrow/acquire so I don't have to
> guess about the size and positioning?  Also, should I expect to see a
> small improvement in cruise speed with the NACAs after removing the
> armpit scoops?
>
> -- 
> Dave Philipsen
> Velocity STD-FG
> IO-360
> N83DP
>
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