REFLECTOR: Armpit scoops..

[Keith Hallsten]

I got the armpit scoops with my kit, but fabricated the top NACA's instead.
Thus I have a pair that I could donate to your cause.  Where do you want me
to send them?

Keith Hallsten, XLFG a-buildin'
Roseville, CA


-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of David Staten
Sent: Wednesday, April 19, 2006 9:22 PM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Armpit scoops..

Ok Gang...

Chris and I are decidedly going "retro" and will be requiring a pair of 
armpit scoops for our installation...

Why? Well... we are doing a water cooled auto conversion, and the best 
place for everything appears to be across the bottom, between the engine 
and the firewall... Air comes in from the pits.. to a common plenum in 
the lower engine compartment.. through the rads, then ducted aft, with 
the right reserved to put a big cowl flap on the back/bottom if needed.

Still will have the dorsal naca's per plans, with intercooler, oil 
cooler and intake connected to them, just dont see a practical way to 
duct to the bottom without lots of penalties in flow/pressure recovery 
(which naca's are poor with pressure recovery anyways)
 
Does anyone have a pair stashed away that might have been sent with your 
kit, but never used..? Does anyone have plans, molds, dimensions that 
would be useable from a practical standpoint if we had to roll our own 
from scratch?

Even close up photos of existing armpit installs on the original style 
birds would be helpful. Large pics can just be sent to me, or if they 
are on the web, just post a link.
 
Any help is appreciated, from factory or customer...

Dave Staten
Building Velocity SE with Chris Barber
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