TLDI 90hp MDA2 model 2002

gazzagary

Cadet
Joined
Sep 1, 2007
Messages
17
have this engine on a heavy boat i have a 13inch prop which gets me 24knotts and 5250 wot.

I am thinking about getting an 11 inch prop to get closer to the top end of the wot range.
with the cost of fuel i wonder what is the sweet spot i have read about. i guess i would like an idea of the best fuel economy rpm . the boat planes at around 12-13 knotts

what fuel usage in litres can i expect at around 4300 rpm

what do you think elvin or others

thanks for any help
 
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