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Forum: Engines and Propulsion Systems

09-11-2010, 19:15

Replies: 13

Opinions on Repower (hp)

Views: 2,907

Posted By SaltyMonkey

HP =...

HP = ((((displacementInLBS)/2240)*75)*(1.4*(((LWL)^0.5)))*0.003)/0.45

if you want a technical formula

Forum: Engines and Propulsion Systems

09-11-2010, 11:16

Replies: 13

Opinions on Repower (hp)

Views: 2,907

Posted By SaltyMonkey

1.5 x the displacement is the usual calculation...

1.5 x the displacement is the usual calculation more or less. so 38 is pretty accurate.
2x the displacement to be on the safe side
If you have extra heavy producing alternator(s), you need extra HP...

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