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From: "George Lendich" <lendich@aanet.com.au>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-3766885@logan.com>
Subject: Re: [FlyRotary] Re: Intake Runner Tubes
Date: Wed, 22 Jul 2009 07:51:39 +1000
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 Ben,
I figured as much, about the cost, that's why I put up the corn starch 
recipe. If you were doing something that was very expensive or a commercial 
application the Aquacore would be good for that application.
The inlet tube is cooled by the fuel, however it's the heat soak that could 
kill the resin, That's why I suggested Al manifold, as it will take most of 
the heat and dissipate some before it gets to the fiberglass inlet tube.
I would be tempted to use a good epoxy resin and see how that goes before 
going to the expense of high temp resin.
Just some suggestions.
George (down under)
> George,
>
>    I spoke with a guy from the company, Aquacore is available in only in 5 
> gallon and 55 gallon containers. The 5 gallon is $125 US. They recommend 
> using Aquaseal after the part is completed to seal any surface 
> imperfections and porous surface of the material after machining. A quart 
> of aqua seal is $40. Then was told to apply peel ply, or some sort of 
> removal agent.
>   So not a cheap system. Think I will have a go at the corn starch method 
> and see what develops. He did say that they would make custom molds from 
> CAD drawings and ship them ready to lay up with glass, but I am sure that 
> is not a cheap method either.
>
>   I will likely try this whole crazy idea with corn starch and fiberglass 
> to see if it will work, then decide from there how to proceed.
>
> Any one have any ideas what temp the intake would be exposed to under the 
> cowl? Someone in a previous post mentioned high temp resin, and it got me 
> thinking I really don't know what to expect there since I am not running 
> yet. I have my exhaust Jet coated inside and out, and will have a shield 
> between the exhaust and intake.
>
> Ben
>
>
>
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