REFLECTOR: Molding a P-51 Scoop
Scott Derrick
scott at tnstaafl.net
Tue Sep 6 11:29:27 CDT 2005
Alex,
I checked and you are correct, 3-1 or 4-1 are recommended. I don't
know where I got a 2-1 ratio?
4-1 would be a much better and smaller scoop.
Back to the drawing board.
Scott
Alex Balic wrote:
>My intercooler opening is about 1/4 the size of the intercooler face-
>when you check the book- see if it has design pressure at the airspeed
>in our range- most automotive books do not.
>
>-----Original Message-----
>From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>Behalf Of Scott Derrick
>Sent: Monday, September 05, 2005 8:34 PM
>To: Velocity Aircraft Owners and Builders list
>Subject: Re: REFLECTOR: Molding a P-51 Scoop
>
>Jim,
>
>The intercooler face is 6x22, I thought I read some formula that a
>1-to-2 expansion area in front of the intercooler was a good thing.
>
>I will reread my turbo book and verify what I need. I agree, it seems
>like a whole lot of area. I would think 1/4 of that would do.
>
>Scott
>
>Jim Sower wrote:
>
>
>
>>Isn't 66 sqin nearly the size of the engine cooling inlet? Sounds
>>like a lot. I would have thought maybe 30% of that would do. Anyway,
>>
>>
>
>
>
>>Urethane foam is cheap and carves easiest, Styrofoam will melt away
>>with gas. I use duct tape or plastic/shrink wrap as a release agent.
>>I'd revisit my sizing formula ... Jim S.
>>
>>Scott Derrick wrote:
>>
>>
>>
>>>I need to make a P-51 style scoop for my intercooler.
>>>
>>>It needs to have a 3 inch x 22 inch opening.
>>>
>>>Roughly rectangular, this would be mounted on the belly right at the
>>>firewall.
>>>
>>>What would be the best way to go about this? Carve one out of foam?
>>>
>>>Any ideas are appreciated.
>>>
>>>Scott
>>>
>>>_______________________________________________
>>>To change your email address, visit
>>>http://www.tvbf.org/mailman/listinfo/reflector
>>>
>>>Visit the gallery! www.tvbf.org/gallery
>>>user:pw = tvbf:jamaicangoose
>>>Check new archives: www.tvbf.org/pipermail
>>>Check old archives:
>>>
>>>
>http://www.tvbf.org/archives/velocity/maillist.html
>
>
>>>
>>>
>>_______________________________________________
>>To change your email address, visit
>>http://www.tvbf.org/mailman/listinfo/reflector
>>
>>Visit the gallery! www.tvbf.org/gallery
>>user:pw = tvbf:jamaicangoose
>>Check new archives: www.tvbf.org/pipermail
>>Check old archives:
>>
>>
>http://www.tvbf.org/archives/velocity/maillist.html
>
>
>>
>>
>>
>_______________________________________________
>To change your email address, visit
>http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery! www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>_______________________________________________
>To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery! www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>
>
>
>
More information about the Reflector
mailing list