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Cruise speed/Prop Pitch?

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rmorrison9773

Post subject: Cruise speed/Prop Pitch?

Posted: Sat Feb 13, 2010 8:51 am

Guppy

Joined: Mon Apr 20, 2009 6:57 am
Posts: 6

I have a 2002 268 Vista with 350 MPI Merc DP. I know you never get the performance that the mfg. says (weight of fuel, water, people etc.). On my boat I run about 4000 rpm to get a cruise speed of 30mph on both speedo and GPS. Does that seem normal to you guys? Seems a little high on the RPM for what I'm getting.

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Cap'n Morgan

Post subject: Re: Cruise speed/Prop Pitch?

Posted: Sat Feb 13, 2010 5:08 pm

268 Vista

Joined: Tue May 16, 2006 9:49 am
Posts: 4989
Location: West Michigan

You should be at about 34mph at 4,000 RPM, under ideal conditions.

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One of 4 Previous (Sold) Boats:
2000 Four Winns 268 Vista

Current Boat: 2004 Chaparral 235 ssi cuddy

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powellcrazy

Post subject: Re: Cruise speed/Prop Pitch?

Posted: Sun Feb 14, 2010 4:05 pm

Whatever

Joined: Sun Aug 12, 2007 8:39 am
Posts: 996
Location: Salt Lake, Utah

also depends on what elevation your boating at as well.

If it was prop'd/geared for high alt and you have boat near sea level you will notice higher RPM/slower sleep, possibly over limit on RPM at WOT.

What RPM do you see at WOT, is it near what manufacture recommends?

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2000 248 5.7L DP
'92, '94 SXI 750, '08 STX 15F, '12 Ultra LX 300
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