Excalibur

WIXerGreg · **Posted:** Sun Mar 20, 2011 10:41 pm

I see Courtesy is listing Jim Read's Excalibur as being sold. Does anybody know where she's going/went?

http://www.courtesyaircraft.com/Current ... 0P-51D.htm

mlenoch · **Posted:** Mon Mar 21, 2011 5:28 am

Prague.

WIXerGreg · **Posted:** Mon Mar 21, 2011 8:52 pm

Thanks Vlado!

Edward Sheetmetalhands · **Joined:** Sat Oct 25, 2008 6:44 am **Posts:** 255

What are the "transport heads" version of the cylinder heads? What useage were they intended for, and what improvements did they consist of? How did they get their name? :?:

Was this a WWII modification or post-war?

rcaf_100 · **Posted:** Tue Mar 22, 2011 9:46 am

Edward Sheetmetalhands wrote:

What are the "transport heads" version of the cylinder heads? What useage were they intended for, and what improvements did they consist of? How did they get their name? :?:

Was this a WWII modification or post-war?

They would be heads off Merlins used in post-war transports such as the Canadair North Star/Argonaut.
AFAIK they were designed to be more reliable and have a much longer life than the standard heads for a Merlin in a fighter since they would usually be used at lower RPMs. (someone correct me if I'm wrong)

:partyman:

Cvairwerks · **Posted:** Tue Mar 22, 2011 1:15 pm

From what I can remember, transport series engines ran at cruise power settings pretty close to wartime engine METO settings. The transport series Merlins were built to run on airliners and airliner types, and for longer hours between overhauls. For a while, the lowest time Merlin we had around the shop for one of our customers, had just under 13,500 hours total time.

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