Using formulas found on line I figured I need a 8500w motor. The boat is a 72 inch mono hull. Not sure if I need to go to dual props or single. Then I found a TP5660 (56mm x 92mm) on OSE web page which say it produces 10K watts max. Should I start with a motor like this or something else. The boat is old and made out of fiberglass. It looks like it has a weed eater engine. Would maybe like to race in one day. There was a club her in San Antonio Texas before COVID but not sure if they are still here. Don't want to build this boat and break rules that will cost me money to correct. Will need help deciding other options. I have gone through the videos about calculating motor, and power but not sure what is the best options. I would appreciate any help you could provide.
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