Subject: Question for Mr. Paul Lamar
From: Rotary Engine
Date: 12/25/2011, 6:16 PM
To: AAA Put this in the To box



I would like to know your opinion about the Delta Hawk Engine.
http://www.deltahawkengines.com/
I am working on a project for long range trips in a twin canard ( Rutan
Defiant) and we need efficient 160-180 HP.
Do you have any suggestions?
Thanking you in advance and wishing you happy holidays.
Jesus Diaz
Caracas-Venezuela


It is an ordinary loop or Schnuerle_porting diesel engine very similar to an
old GM roots blown diesel truck engine but not quite as efficient.
The GM had exhaust valves so it was uni-flow scavenged.

http://en.wikipedia.org/wiki/Schnuerle_porting

http://www.marinediesels.info/Basics/uniflow_and_loop_scavenging.htm

It is heavier than a real aircraft engine and not as efficient
at aircraft power levels. Diesel aircraft engines have been
around since 1930 and they have all failed in the aircraft market
place sooner or later.

Paul Lamar
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