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Speed limitations on pontoon

dannyvan

Member
"have a 1994 landau pontoon 20

"have a 1994 landau pontoon 20 ft. long with a 85 hp johnson, prop size is 14 x 9. My question is do certain pontoons no matter the size of the motor will only go up to a certain speed because of the way the pontoon is designed? Had a 40 hp on it and went 14mph, this 85hp is only pushing 20mph at 5200rpm."
 
"if they are the standard torp

"if they are the standard torpedo shaped ones you understand it. After a certain point, you'll have to double the HP to get two more mph. The only exception I've seen was a very expensive 'party barge' that had two planing hulls for pontoons....maybe it would be more correct to describe it as a catamaran - don't know. But it only looked different from the 50 or so you see on the rivers around here under the waterline, up on its trailer."
 
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