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Old 08-06-2011, 10:59 AM   #1
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Default post your speed and RPM info with your boat type for comparrison sake

type: 2000 28 scr
motor: 1-7.4 bravo 3
cruize: 25mph @ 4300

20 gallion hour burn rate.

my theory is once on plane, rpm will be the same reguardless of number of engines.....

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Old 08-06-2011, 02:30 PM   #2
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Type: 1996 2100SR
Motor: 1 x 5.7 2bbl w/Alpha 1 Gen II
Cruise: 35-40 @ 3000 RPM
Max Speed: 52 @ 4000 RPM (with 14.3 x 21P Alum Solas)

No clue on fuel consumption, just know that it is a lot
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Old 08-08-2011, 12:33 PM   #3
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Type: 1997 1700SR
Motor: single 3.0L 2bbl w/ Alpha 1 Gen 2
Cruise: 20-25mph @ 3200 rpm
Max speed: 37 @ 4600 with 14.5 x 19P alum
43 @ 4700 with 14.5 x 21P alum
Consumption: will have to pay attention, but not too bad..
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Old 08-08-2011, 01:03 PM   #4
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Moved by me since it's really a pole on speed vs engine and drive comparasons....



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Old 08-08-2011, 01:05 PM   #5
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type: 1997 2800 scr
motor: single 8.1 (496) MPI with Bravo III
cruize: 22.0-25 kts @ 3,600 rpms (Depending on wind, current, tide, and sea state)
max rpm to date: 4,200 rpms
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Old 08-08-2011, 01:05 PM   #6
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My Girlfriend took this picture especially for Dan, By the way this is with 8 people aboard going up river and full tanks. Still want to bet Bella won't do over 46MPH with just two up?

Bella Sera 3300SCR T350MAG/BIII
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Old 08-09-2011, 01:01 PM   #7
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2001 2900 SCR
1 x 7.4EFI
29MPH (GPS) WOT at approx 4200RPM
23MPH at 3600RPM
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Old 08-09-2011, 01:36 PM   #8
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Some time ago I managed to find a boat test/review on the web on my exact boat with the same power package, complete with charts and graphs. Thought I'd include those here for reference as they may be useful to others trying to make educated guesses on how their own boat performs.
Type: 2004 2400 SC3
Motor: Single 5.7 300 HP (350 MAG MPI) w/ Bravo 3, 2:1 ratio
Cruise: See below
Max speed: See below
Consumption: Don't really care, but see below. LOL
[TABLE="class: MsoNormalTable, width: 5"]
[TR]
[TD="colspan: 13"]Test Power: 1 x 300-hp MerCruiser 350 MPI

[/TD]
[/TR]
[TR]
[TD="colspan: 6"][/TD]
[TD="colspan: 3"]
Range
[/TD]
[TD="colspan: 4"][/TD]
[/TR]
[TR]
[TD]
RPM
[/TD]
[TD]
MPH
[/TD]
[TD]
Knots
[/TD]
[TD]
Total GPH
[/TD]
[TD]
MPG
[/TD]
[TD]
NMPG
[/TD]
[TD]
Stat. Mile
[/TD]
[TD]
NM
[/TD]
[TD]
KM
[/TD]
[TD]
KPH
[/TD]
[TD]
LPH
[/TD]
[TD]
KPL
[/TD]
[TD]
dBA
[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]650
[/TD]
[TD="bgcolor: transparent"]3.4
[/TD]
[TD="bgcolor: transparent"]3.0
[/TD]
[TD="bgcolor: transparent"]0.8
[/TD]
[TD="bgcolor: transparent"]4.25
[/TD]
[TD="bgcolor: transparent"]3.70
[/TD]
[TD="bgcolor: transparent"]268
[/TD]
[TD="bgcolor: transparent"]233
[/TD]
[TD="bgcolor: transparent"]431
[/TD]
[TD="bgcolor: transparent"]5.47
[/TD]
[TD="bgcolor: transparent"]3
[/TD]
[TD="bgcolor: transparent"]1.81
[/TD]
[TD="bgcolor: transparent"]63
[/TD]
[/TR]
[TR]
[TD]1000
[/TD]
[TD]6.3
[/TD]
[TD]5.4
[/TD]
[TD]1.4
[/TD]
[TD]4.63
[/TD]
[TD]4.03
[/TD]
[TD]292
[/TD]
[TD]254
[/TD]
[TD]470
[/TD]
[TD]10.14
[/TD]
[TD]5.3
[/TD]
[TD]1.97
[/TD]
[TD]71
[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]1500
[/TD]
[TD="bgcolor: transparent"]8.1
[/TD]
[TD="bgcolor: transparent"]7.0
[/TD]
[TD="bgcolor: transparent"]2.7
[/TD]
[TD="bgcolor: transparent"]3.06
[/TD]
[TD="bgcolor: transparent"]2.66
[/TD]
[TD="bgcolor: transparent"]193
[/TD]
[TD="bgcolor: transparent"]167
[/TD]
[TD="bgcolor: transparent"]311
[/TD]
[TD="bgcolor: transparent"]13.04
[/TD]
[TD="bgcolor: transparent"]10.2
[/TD]
[TD="bgcolor: transparent"]1.3
[/TD]
[TD="bgcolor: transparent"]73
[/TD]
[/TR]
[TR]
[TD]2000
[/TD]
[TD]11.5
[/TD]
[TD]10.0
[/TD]
[TD]5.1
[/TD]
[TD]2.25
[/TD]
[TD]1.96
[/TD]
[TD]142
[/TD]
[TD]124
[/TD]
[TD]229
[/TD]
[TD]18.51
[/TD]
[TD]19.3
[/TD]
[TD]0.96
[/TD]
[TD]82
[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]2500
[/TD]
[TD="bgcolor: transparent"]22.6
[/TD]
[TD="bgcolor: transparent"]19.6
[/TD]
[TD="bgcolor: transparent"]6.5
[/TD]
[TD="bgcolor: transparent"]3.47
[/TD]
[TD="bgcolor: transparent"]3.02
[/TD]
[TD="bgcolor: transparent"]219
[/TD]
[TD="bgcolor: transparent"]190
[/TD]
[TD="bgcolor: transparent"]352
[/TD]
[TD="bgcolor: transparent"]36.37
[/TD]
[TD="bgcolor: transparent"]24.6
[/TD]
[TD="bgcolor: transparent"]1.48
[/TD]
[TD="bgcolor: transparent"]79
[/TD]
[/TR]
[TR]
[TD]3000
[/TD]
[TD]28.3
[/TD]
[TD]24.6
[/TD]
[TD]8.2
[/TD]
[TD]3.45
[/TD]
[TD]3.00
[/TD]
[TD]217
[/TD]
[TD]189
[/TD]
[TD]349
[/TD]
[TD]45.54
[/TD]
[TD]31
[/TD]
[TD]1.47
[/TD]
[TD]84
[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]3500
[/TD]
[TD="bgcolor: transparent"]34.3
[/TD]
[TD="bgcolor: transparent"]29.8
[/TD]
[TD="bgcolor: transparent"]10.5
[/TD]
[TD="bgcolor: transparent"]3.28
[/TD]
[TD="bgcolor: transparent"]2.85
[/TD]
[TD="bgcolor: transparent"]206
[/TD]
[TD="bgcolor: transparent"]180
[/TD]
[TD="bgcolor: transparent"]332
[/TD]
[TD="bgcolor: transparent"]55.2
[/TD]
[TD="bgcolor: transparent"]39.7
[/TD]
[TD="bgcolor: transparent"]1.39
[/TD]
[TD="bgcolor: transparent"]87
[/TD]
[/TR]
[TR]
[TD]4000
[/TD]
[TD]40.6
[/TD]
[TD]35.3
[/TD]
[TD]14.0
[/TD]
[TD]2.90
[/TD]
[TD]2.52
[/TD]
[TD]182
[/TD]
[TD]159
[/TD]
[TD]293
[/TD]
[TD]65.34
[/TD]
[TD]53
[/TD]
[TD]1.23
[/TD]
[TD]89
[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]4500
[/TD]
[TD="bgcolor: transparent"]46.2
[/TD]
[TD="bgcolor: transparent"]40.1
[/TD]
[TD="bgcolor: transparent"]19.0
[/TD]
[TD="bgcolor: transparent"]2.43
[/TD]
[TD="bgcolor: transparent"]2.11
[/TD]
[TD="bgcolor: transparent"]153
[/TD]
[TD="bgcolor: transparent"]133
[/TD]
[TD="bgcolor: transparent"]246
[/TD]
[TD="bgcolor: transparent"]74.35
[/TD]
[TD="bgcolor: transparent"]71.9
[/TD]
[TD="bgcolor: transparent"]1.03
[/TD]
[TD="bgcolor: transparent"]91
[/TD]
[/TR]
[TR]
[TD]4700
[/TD]
[TD]49.2
[/TD]
[TD]42.7
[/TD]
[TD]20.5
[/TD]
[TD]2.40
[/TD]
[TD]2.08
[/TD]
[TD]151
[/TD]
[TD]131
[/TD]
[TD]243
[/TD]
[TD]79.18
[/TD]
[TD]77.6
[/TD]
[TD]1.02
[/TD]
[TD]92
[/TD]
[/TR]
[/TABLE]

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Old 08-09-2011, 04:36 PM   #9
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type: 2008 Bayliner 340 Ciera Sunbridge
motor: Twin 5.7 MPI engines with Bravo III drives
cruize: 28-32mph @ 3,600-4,000 rpms (Depending on wind, current, tide, and sea state)
WOT = 5,200 rpms @50mph (measured by GPS)


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Old 08-09-2011, 04:47 PM   #10
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2001 model year 2900 SCR, single 6.2L EFI w/BIII outdrive, 4-6 people, half tank of gas, fully-loaded of our crap, 1-2 foot seas, 22 pitch props, 2,130 feet elevation, speeds measured by GPS:
2,100 RPM, 9 MPH (where we spend 95% of our time since gas is $4.30/gallon on the lake!);
4,000 RPM, 25 MPH;
5,000 RPM, 34 MPH (WOT---screamin' loud);
no clue on the gas burn... wish I knew (Floscan meter is a future project!)
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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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