flyrotary@lancaironline.net Mailing List Archive

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 -----
From: Greg Ward

To: Rotary motors in aircraft

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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