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From: "Bryan Winberry" <bryanwinberry@bellsouth.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
References: <list-3757934@logan.com>
Subject: RE: [FlyRotary] Intake velocity stack lengths
Date: Wed, 15 Jul 2009 08:35:43 -0400
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In-Reply-To: <list-3757934@logan.com>

Ben,
Don't you have a setup already? Unless I am confusing you with someone else,
your plenum and runner combo looks great.  Are you suggesting the stacks
like the dragsters use, with separate throttle bodies? 

I like the idea of the carbon fiber runners for weight and smoothness.  But
getting them attached to the flange might be a challenge, not to mention the
heat issues.

Bryan

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ben Schneider
Sent: Tuesday, July 14, 2009 9:33 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Intake velocity stack lengths


Fellows,

  I have been thinking up this crazy idea of trying to make intake runner
tubes out of carbon fiber. My question is regarding length of the velocity
stack. Does the length make a difference? Could a velocity stack be more or
less the entire length of the tube? Meaning, if I have a 12" intake tube,
could the entire length of the tube be a gradual taper to the diameter of
the block opening? Would that mess with the speed the air is traveling in
the tube? Aerodynamics is not something I have a very good handle on, and am
hoping someone out there in Fly Rotary land can shed some light.

Toughts???

BTW,  Any reasons why carbon fiber should not be used for intake tubes? May
make the velocity tubes a mute point.

Thanks for any thoughts.

Ben Schneider

P.S. Any Fly Rotary fellows going to OSH??? Perhaps a lunch one day or
something.


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