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Old 08-05-2004, 03:07 PM
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Default Cruising Speed 3,800 rpm's

Top end is nice, but I don't go there that often. I'm wondering what speed other boats see at 3,800 RPM's? I'm running 62 (GPS) on a 38 and 600's.
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Old 08-05-2004, 03:13 PM
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Default Re: Cruising Speed 3,800 rpm's

35 with 502's-400hp...@4000 about 60.

5000 is 74-75...light fuel
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Old 08-06-2004, 11:39 AM
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Default Re: Cruising Speed 3,800 rpm's

I must be missing something. 42' HP 500's 30p Bravo I's = 60mph at 4300rpm. Any others?
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Old 08-06-2004, 02:16 PM
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Default Re: Cruising Speed 3,800 rpm's

35 with 500 HPs, 27" Hydros ... 55 @ 3500
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Old 08-06-2004, 02:55 PM
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Default Re: Cruising Speed 3,800 rpm's

02 35 fountain with 575's stepped on runs 65 ish at on gps at 3800-3900 rpm spinnin 5 blade hydros.. 5100 runs 90,, at 5300 about 94/ 95... at 5650 i dont know yet.. should be around98 99 i been told
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Old 08-07-2004, 10:16 AM
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Default Re: Cruising Speed 3,800 rpm's

pic#1
Attached Thumbnails Cruising Speed 3,800 rpm's-dsc01156.jpg  
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Old 08-07-2004, 07:21 PM
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Default Re: Cruising Speed 3,800 rpm's

Nice readings!!!!!! What boat size / power are you running.
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Old 08-08-2004, 10:41 PM
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Default Re: Cruising Speed 3,800 rpm's

Originally Posted by jryan26
pic#1
have ui compared speedo to gps??

what wheels and gears?
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Old 08-08-2004, 10:43 PM
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Default Re: Cruising Speed 3,800 rpm's

Originally Posted by cgrayson
Top end is nice, but I don't go there that often. I'm wondering what speed other boats see at 3,800 RPM's? I'm running 62 (GPS) on a 38 and 600's.

what yr boat and what props

?
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Old 08-26-2004, 09:08 AM
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Default Re: Cruising Speed 3,800 rpm's

I havent used a gps yet, but I think I have 1.36 gears. 540s in a 1991 32 fever. The speedo says 78-79@4300-4400rpms. 27p hydros. I am going to try 25s or something.
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