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Old 08-09-2011, 05:24 PM   #11
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1998 3700 SCR
Twin 7.4 Mercs & V-drives
1000 rpm = 5 mph
1400 rpm = 7 mph
1600 rpm = 8 mph
1800 rpm = 9 mph

I rarely go faster that 1800 so the following are from memory.

2000 rpm = 10 mph
2400 rpm = 11 mph
2800 rpm = 13 mph
3000 rpm = 16 mph
3200 rpm = 20 mph
3400 rpm = 24 mph
3600 rpm = 27 mph
4000 rpm = 29 mph
4400 rpm = 32 mph
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Old 08-10-2011, 01:20 AM   #12
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Lets see, a 1996 2700 scr with 7.4 and a Bravo3, flow meter and gps/speedometer
RPM GPH MPH MPG
1000 2 5 2.5
1500 3 7 2.33
2000 4.5 9 2.0
2500 8 10 1.25
3000 12 12 1
3800 16 26 1.63
4000 19 30 1.58
4500 26 36 1.38
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Old 08-10-2011, 01:50 PM   #13
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Type: 1992 2100SC
Motor: single 4.3.L 2bbl
Cruise: 30 mph @ 3500 rpm
Max speed: ?? @ 4800 with 14.5 x 19P alum

Consumption: Don't know, but not too bad if I keep the RPM down to 3500.. above 4000 it goes down alot.... but its fun at that speed..LOL
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Old 08-10-2011, 06:45 PM   #14
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2000 3300SCR

Twin 7.4L Bravo III

Cruise speed: 33 mph 3500 RPM
Max: 45 mph 4300 RPM (two people, half tank of gas, light on water and waste)
Gas: ALOT
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Old 08-10-2011, 06:50 PM   #15
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Quote:
Originally Posted by tackleshep View Post
2000 3300SCR

Twin 7.4L Bravo III

Cruise speed: 33 mph 3500 RPM
Max: 45 mph 4300 RPM (two people, half tank of gas, light on water and waste)
Gas: All of it, every time.
There, fixed it for ya TS, think ya had a typo or two.
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Old 08-12-2011, 10:28 PM   #16
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Maxum 1900XR, mercury 150 hp V6 OB 2-stroke, 14.25 x 21P alu prop, 5600rpm 53mph, cruise 3600-4100rpm 31-37mph
Bayliner 34 Trophy, 2x250hp Hino diesel with shaft, 3000rpm 28mph wot, 2700rpm 23mph cruise = 3,6gpm, 3 blade bronze props. Boat weights 8,6 ton.
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Old 08-16-2011, 11:59 PM   #17
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Maxum 2100sc 1998 4.3L motor.
WOT 4900rpm-42mph. 4 blade prop 16 or 18 pitch-eyes are bad!. Two people, full gas and stuff. good hole shot. Gets on plane instantly. Loose a bit on top end, but I'm old and don't care. My wife thinks we are doing 80, so I am happy! Love my Scooter!
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Old 10-21-2014, 04:35 PM   #18
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Maxum 2700 SCR 6.2 ltr motor Bravo 3 - 22p props
WOT 4900 rpm 30 knots 107 ltr/hr
On the plane 3600 rpm 18 knots 77 ltr/hr
0 to 28 knots - 1 min 20 sec
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Old 10-21-2014, 10:54 PM   #19
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Chris welcome aboard

Dug up an old thread here, enjoy
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Old 10-22-2014, 04:20 AM   #20
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2000 2400 SCR
5.0L Alpha 1 Gen II
3500 RPM, 24 MPH
Good enough for me...
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