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Rocket 3 engine?

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Aviacs

Well-Known Member
Joined
Mar 16, 2019
Messages
911
For all the interest in motorcycle engines on homebuiltairplanes.com, i can't find a post with the big size Triumph triples?
(Even thought i asked, once, but can't find a mention)
3 cylinders, 2250 to 2450 cc depending on year, ginormous torque, almost flat curve from 3,000 to 4,800 rpm. Aprox 90 HP at 3,000 rpm, over 100 at 3,500.


Maybe too heavy?
Can't find weight with all the non-essentials removed (gear box, etc). Liquid cooled/needs radiator.
Is there a problem with the vibration signature for airplane?
People remember their HS Bonnies oil leaks & Lucas electrics; or thrown rods in the 750 Tridents, and just still don't trust Trumpets???

smt
 
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