hi there guys im just starting to race hydroplane in australia . , i bought plans off rick folick and have build one of his CHS boat , now i had to make the air trap a little width to help with my weight , i weight about 120 kgs or 250 pound i think , just would like some in put where to start with trim on the engine , which is a 25hp tohatsu , and what prop you think about using , thanks for any in put cheers jason
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