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    What props do you have on a Gulfstream with twin Yamaha 115's

    Thanks for the replies. I am still looking for the performance numbers of people with similar setups. I do have twin fuel tanks. My forward fuel tank has been converted to a water tank and I usually run with that half full unless I am going to be out for a few days.
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    What props do you have on a Gulfstream with twin Yamaha 115's

    Thanks for the reply. You bring up good points about weight. I do a lot of diving and usually have 4 divers with gear onboard. Right now I have 4 blade 13 X17s on and with full fuel and no divers I can get to 32 KTS. Fully loaded I am getting around 26ish . Engines are spinning up to 6000 rpm...
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    What props do you have on a Gulfstream with twin Yamaha 115's

    OK, I already know that everyone feels that a 232 with twin 115's is under powered. That said, that is what I have and I am not buying new motors. I have a 1991 232 with Yamaha F115's. Current props are Mercury Vengeance 13.5 X 18's and I m getting 5800 rpm at around 33 kts. Can anyone with a...