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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Actual rotary engine work...was Re: [FlyRotary] Re: T-shirt design
Date: Thu, 6 Aug 2009 16:56:15 -0400
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Ok, Ernest.

I figured you had taken care of the details, but never hurts to ask

Ed

Ed Anderson

Rv-6A N494BW Rotary Powered

Matthews, NC

eanderson@carolina.rr.com

http://www.andersonee.com

http://www.dmack.net/mazda/index.html

http://www.flyrotary.com/

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.rotaryaviation.com/Rotorhead%20Truth.htm


-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest Christley
Sent: Thursday, August 06, 2009 2:57 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Actual rotary engine work...was Re: [FlyRotary] Re:
T-shirt design

Ed Anderson wrote:
> Ernest, I would highly recommend that if you are going to mount your
> radiator that way with the bolt touching the back of the core, that you
> sheath it in a thin abrasive resistant plastic/rubber tube.  If it is
> touching one of your cross channel tube all the more so. 
>
>   
You can barely see it at the far end of the radiator, but the all-thread 
is pushed through a piece of 3/8" nylon tube.  I might switch it to a 
silicon tube in the future, but this is good enough for now.
> Better would be to move it out 1/4" or so away from the core.
>   
It started a 1/4" from the core.  As the nuts are tightened to pull the 
ears to wrap around the core, it makes the rod bend and push the back of 
the radiator.  Everything is locked into place.
> Nice job on the fiberglass duct, but you may find positive pressure inside
> the duct will leave the edges up off the metal.  Also unless sealed
inside,
> the core tank ridges will provide plenty of opportunity for those air
> molecules to evade going through the core.
>   
The black smudges at the top and bottom.  Silicon sealant.  I know that 
Tracy recommends red, but I had black on hand.  Also, the way the duct 
is shaped, the upper lip is really stiff.  (oh, no...here come the puns).

The sides will need a few squirts of spray foam.  It is such a small 
amount, that I won't do that until I need some for something else.

-- 
Ernest Christley, President
Ernest@TechnicalTakedown.com

TechnicalTakedown, LLC
www.TechnicalTakedown.com
101 Steep Bank Dr.
Cary, NC  27518
(919) 741-9397


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