Robert,

Try TWM or Jenvey (Both British) or Summit Racing in the good 'ol USA.

Bill Jepson


-----Original Message-----
From: Rob <rob@mum.edu>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Wed, 17 Oct 2007 12:56 pm
Subject: [FlyRotary] Re: BellMouth Article

Can anyone tell me where to get a bellmouth to attach to my intake manifold which I still have to make for my 20B. 
Does someone make these ready made or do I have to machine it myself. 
Robert 
 
Robert Bollinger 
FM1099 MUM 
Fairfield, IA 52557 
rob@mum.edu 
Home (641)472-7000ex2068 
Cell (641)919-3213 
----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com> 
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> 
Sent: Wednesday, October 17, 2007 2:49 PM 
Subject: [FlyRotary] Re: BellMouth Article 
 
> Dale Rogers wrote: 
>> In our application, there is less attenuation, but a 1.5 hp increase - 
>> for just changing a contour in the inlet - is almost "free" power.. 
>> 
> I especially liked how the author characterized the different contours. > Just any ol' radius will get you most of the payback, but there are slight > incremental improvements to be had with more manufacturing effort. He > makes it very easy to decide how much work you're willing to invest. 
> 
> -- 
> Homepage: http://www.flyrotary.com/ 
> Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html 
>  
 
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