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Hey Mark;
Yeah, it's a Legacy, and to flip it over, we have to
wheel it outside, and crank the rotisserie as high as it will go, lotta'
fun. As to the turbo and exhaust, they occupy the whole lower left area of
the cowl, and exit directly out the side, and as I said below, we are
leaving the stock exhaust bubbles in the lower cowl intact for heat to exit.
Tests will tell how effective this is.
Greg Ward
----- Original Message -----
Sent: Monday, March 09, 2009 5:18
AM
Subject: [FlyRotary] Re: Fw: [FlyRotary]
progress on N178RG
Greg,
That is a cool looking scoop. I'm looking forward to seeing
the side profile. This is a Lancair Legacy, correct? (BTW, how do
you flip it over inside the garage?)
One comment... don't underestimate the heat generated by the 20B
exhaust. I think one of the big benefits of having the radiator inside
the cowl is that the airflow helps to cool the
white-hot exhaust. Without that airflow, you risk melting anything
within sight of the exhaust.
Mark S.
On Sun, Mar 8, 2009 at 9:10 PM, Greg Ward <gregw@onestopdesign.biz>
wrote:
----- Original Message -----
Sent: Sunday, March 08, 2009 7:06 PM
Subject: Re: [FlyRotary] progress on N178RG
A few shots of our cooling system finally
mounted as far as the firewall. The two 1-1/2" cooling
lines will be covered with 3" 1/2 round plastic covers, 2" smaller in
diameter than the exhaust outlets on the cowling, which will continue to let
heat from the engine exit. You can't see the oil cooler, as it is
mounted inside the scoop, in a similiar fashion as the
P-51.
We are awaiting final engine dyno tests, and then
we can mate the whole mess up, and start on the next
phase.
Greg Ward;
Lancair 20B N178RG in
progress
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