Chris Craft Commander Forum: Here are the weight and power factors on a 31' Commander

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Here are the weight and power factors on a 31' Commander May 9 2007 at 10:34 PM		Paul (no login)
Response to Re: the whole story

Assuming the boat is a 12,000 pound object, with a pair of 230-hp motors, total 460-hp, with a resulting 437 shaft horsepower, that boat should do every bit of 30-mph. In fact, the calculations suggest it could do 32.44 mph. I admittedly used the 2.5:1 gear reduction. I noted Bill just said 2.0:1 so I'll factor that in too. Gimme a minute to burn up the calculator. Regards, Paul

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Responses

Okay,,,,,,,,,,,,,,,here we go with a 2.0:1 gear reduction tranny, compared to the 2.5:1 - Paul on May 9, 2007

1.54:1 - Mike Burdette on May 10, 2007

Build Sheet - Anonymous on May 10, 2007

Good clarification, Mike ( here is the data for 1.54:1 reduction ) - Paul on May 10, 2007

Speed of 32-mph is listed by Chris Craft - Paul on May 10, 2007

1970 Brochure - Mike Burdette on May 10, 2007

1969 Brochure ! - Paul on May 10, 2007

Did you notice the photo similarities? - Paul on May 10, 2007

Sharp eye! - Tom Slayton on May 10, 2007

RPM/HP - Bill on May 10, 2007

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