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ContinuousWave: Post-Classic Whalers
Dauntless/Ventura 16 Prop Question
|Author||Topic: Dauntless/Ventura 16 Prop Question|
posted 03-25-2004 10:55 AM ET (US)
Ventura 16, Or anybody else w/ Dauntless/Ventura 16'w/ a 90hp 2 cycle motor, what pitch and type prop are you using and what kind of results do you achieve? Thanks, Bob
posted 03-25-2004 04:23 PM ET (US)
Bob, I am running a stock Mercury aluminum prop. I believe it is 13x21, but I'd have to check it to be certain. I get just about 40 mph (gps) with that prop. I do have a Doel-fin on my motor which helps holeshot and planes at lower speed, but costs a little bit of the top end. I have been thinking about going to a 13x17 or 13x19 stainless steel prop...as it is I can't quite get to 5500 rpm at WOT...just a couple hundred rpm short which leads me to believe that the 19 pitch would be perfect. Hope that helps.
posted 03-25-2004 08:40 PM ET (US)
I changed the 13x21 that came with my dauntless 16 to a 13x19. I went from a topend of 42 down to 39mph, but it planes and pulls skiers much better.
posted 03-25-2004 10:18 PM ET (US)
Thanks Guys! My old motor(70hp 4-stroke Suzuki) had a 14" pitch stainless prop and I got 26 MPH at 6000RPM WOT. At 4000 RPM I ran a speedy 19 MPH. This is on a 1999 Ventura 16. Today the 90hp 2-cycle 330 lb Johnson is being installed on my Whaler. That white motor on the white boat sure looks proper. The independent guy that is doing the rigging has a used 19' pitch OMC prop that he will let me try out. I guess I'll have an idea if this will work after a little break-in time. Sounds like the 19pitch prop might be ok based on your experiences. Ventura 16, I also had a planing device on my Suzuki. It was a Cobra purchased from Overson"s. I highly recommend them as they mount under the anit-cavitation plate. Causes no loss in topend speed. If my new motor planes easily and cruises at 3500 RPM or less w/o the Cobra, I'll be happy. I do not like the asthetics of any planing device. Bob
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