don't tell the Airstream trailer people :-)
Kevin Lane  Portland, OR
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----- Original Message -----
From: "David Carter" <dcarter@datarecall.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, May 23, 2004 9:48 PM
Subject: [FlyRotary] Re: Two problems solved, 2 more pop up...


> I've noticed that shiney polished aluminum airplanes are quite hot in the
> sun, whereas white and light cream colored painted exteriors are quite
cool.
> I used to think and "aluminum" finish would be best for reflecting heat,
but
> I no longer think that.  I think the same situation would prevail inside
the
> cowl.
>
> David
>
> ----- Original Message -----
> From: "Chad Robinson" <crj@lucubration.com>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Sunday, May 23, 2004 9:25 PM
> Subject: [FlyRotary] Re: Two problems solved, 2 more pop up...
>
>
> <snip> Given that the primary goal is reflecting radiated heat (rather
than
> "real"
> > thermal insulation) what's wrong with a coat or two of shiny silver
paint?
> > It's not as good as polished aluminum but it's decent, and high on the
> > reflective scale. Sherwin Williams (and others) sells a product called
> > "Silver-Brite" that is marketed as "heat reflective" and "dry heat
> resistant
> > to 700degF". I haven't tested its adherence to epoxy so it might need a
> primer
> > coat to help it stick better (it's designed for metal) but that's not a
> > painful step. In any event, it would sure be a lot easier to apply than
> either
> > foil OR fiberfrax, especially to an oddly-shaped cowl.
> >
> > Unless real thermal insulation properties are necesary?
> >
> > Regards,
> > Chad
>
>
>
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