Re: performance of twin 150's on 23
My old SeaCraft had twin 150 Yamahas and I have twin 200's on the current rig (with a full flotation bracket).
You cannot plane on just one engine (on either of the above setups).
Here are some performance numbers
Twin 150 SWS carb engines:
WOT - mid 40's
mileage - 1.6 mpg or so at cruise
Min planing speed - 16 to 17 miles per hour
Twin 200 OX66's:
WOT - high 50's
mileage - 1.7 mpg or so at cruise
Min planing speed - 21 miles per hour
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