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Old 27 August 2012, 03:15   #11
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Country: UK - Scotland
Town: Glasgow
Boat name: snagglepuss
Make: Shetland
Length: 6m +
Engine: 90 hp Outboard
Join Date: Nov 2011
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Hi, sorry no 200hp data but this should help.

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From a test of 150 hp outboards in a swedish boat magazine:

Boat used: Flipper 605 WA (6,15 meter x 2,32 meter, total weight at test 1400 kilogram, water temp 18 deg. Celsius

Honda BF150
Top RPM in test: 6000
Prop used: Honda HR, 3 blade, 20 inch pitch

a) Speed (knots):
At max rpm: 41,7
Minus 500 rpm: 37,2
Minus 1000 rpm: 32,6
Minus 1500 rpm: 29,1
Minus 2000 rpm: 25,5

b) Fuel consumtion (litre per nautical miles):
At max rpm: 1,27
Minus 500 rpm: 1,03
Minus 1000 rpm: 0,91
Minus 1500 rpm: 0,80
Minus 2000 rpm: 0,75

c) Noise (decibel):
At max rpm: 86
Minus 500 rpm: 84
Minus 1000 rpm: 82
Minus 1500 rpm: 81
Minus 2000 rpm: 80

d) Acceleration (sek):
0-30 knots: 9,2
15-30 knots: 6,8

Evinrude E-Tec 150
Top RPM in test: 5100
Prop used: Rebel, 3 blade, 21 inch pitch
a) Speed (knots):
At max rpm: 44,7
Minus 500 rpm: 40,3
Minus 1000 rpm: 33,8
Minus 1500 rpm: 30,0
Minus 2000 rpm: 24,9
b) Fuel consumtion (litre per nautical miles):
At max rpm: 1,38
Minus 500 rpm: 1,19
Minus 1000 rpm: 0,99
Minus 1500 rpm: 0,93
Minus 2000 rpm: 0,83

c) Noise (decibel):
At max rpm: 87
Minus 500 rpm: 85
Minus 1000 rpm: 83
Minus 1500 rpm: 80
Minus 2000 rpm: 78

d) Acceleration (sek):
0-30 knots: 8,0
15-30 knots: 5,6

Mercury Verado 150
Top RPM in test: 6200
Prop used: Mirage, 3 blade, 17 inch pitch

a) Speed (knots):
At max rpm: 41,2
Minus 500 rpm: 36,5
Minus 1000 rpm: 33,4
Minus 1500 rpm: 29,5
Minus 2000 rpm: 25,6

b) Fuel consumtion (litre per nautical miles):
At max rpm: 1,80
Minus 500 rpm: 1,45
Minus 1000 rpm: 1,30
Minus 1500 rpm: 1,04
Minus 2000 rpm: 0,77

c) Noise (decibel):
At max rpm: 87
Minus 500 rpm: 86
Minus 1000 rpm: 83
Minus 1500 rpm: 82
Minus 2000 rpm: 80

d) Acceleration (sek):
0-30 knots: 7,3
15-30 knots: 5,4


Suzuki DF150
Top RPM in test: 6000
Prop used: Suzuki, 3 blade, 23 inch pitch

a) Speed (knots):
At max rpm: 43,2
Minus 500 rpm: 39,4
Minus 1000 rpm: 36,4
Minus 1500 rpm: 32,0
Minus 2000 rpm: 27,8

b) Fuel consumtion (litre per nautical miles):
At max rpm: 1,26
Minus 500 rpm: 1,17
Minus 1000 rpm: 1,04
Minus 1500 rpm: 0,91
Minus 2000 rpm: 0,85

c) Noise (decibel):
At max rpm: 87
Minus 500 rpm: 85
Minus 1000 rpm: 84
Minus 1500 rpm: 79
Minus 2000 rpm: 78

d) Acceleration (sek):
0-30 knots: 8,9
15-30 knots: 5,4

Yamaha F150
Top RPM in test: 5600
Prop used: Yamaha Pro Series, 3 blade, 21 inch pitch

a) Speed (knots):
At max rpm: 44,3
Minus 500 rpm: 40,3
Minus 1000 rpm: 35,4
Minus 1500 rpm: 31,7
Minus 2000 rpm: 26,0

b) Fuel consumtion (litre per nautical miles):
At max rpm: 1,26
Minus 500 rpm: 1,10
Minus 1000 rpm: 0,95
Minus 1500 rpm: 0,84
Minus 2000 rpm: 0,78

c) Noise (decibel):
At max rpm: 87
Minus 500 rpm: 84
Minus 1000 rpm: 83
Minus 1500 rpm: 80
Minus 2000 rpm: 79

d) Acceleration (sek):
0-30 knots: 8,3
15-30 knots: 5,9
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Old 27 August 2012, 04:13   #12
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All depends on your speed if your pottering about any 200 would be fine but if your putting foot down then it will be thirsty.

Last year I did just over 200 engine hours and my fuel cost was about 4,500.00 plus about 10 5litre 2 stroke oil at about 33.00 each 5litre. That's with a yamaha 200hp 2stroke.

Fuel was at cost from mdl marinas.
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Old 30 August 2012, 16:45   #13
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Engine: 150Yamaha&300Verado
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looks like i will be keeping my speed down, 25kts looks like tha magic number
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Old 30 August 2012, 17:13   #14
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looks like i will be keeping my speed down, 25kts looks like tha magic number
too slow - 30 always the ideal for me on a 7.5 with 200....
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Old 31 August 2012, 03:07   #15
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From what I have seen most engines of modern design that are paired to an appropriate sized boat run at 1-1.5L per mile at cruising speed on the plane with 2-4 adults. That range is for boats from 5.4m to 7m.

Smaller and larger boats take the ranges further, especially of you start loading the boat with "weight".
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Old 01 September 2012, 09:11   #16
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Make: Ribcraft
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Engine: Volvo D6, Honda
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Ribcraft 9.0m with Volvo d6 310hp does 30 litres an hour at 30 knts in any sea you find comfortable !!!!!
It's time all you outboard guys changed to burning oil instead of petrol !!
Diesel is a lot cheaper to buy also
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Old 01 September 2012, 09:28   #17
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Quote:
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Ribcraft 9.0m with Volvo d6 310hp does 30 litres an hour at 30 knts in any sea you find comfortable !!!!!
It's time all you outboard guys changed to burning oil instead of petrol !!
Diesel is a lot cheaper to buy also
You won't be saying that when your paying for a blown leg next year....
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Old 01 September 2012, 09:29   #18
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Quote:
Originally Posted by AMac
Ribcraft 9.0m with Volvo d6 310hp does 30 litres an hour at 30 knts in any sea you find comfortable !!!!!
It's time all you outboard guys changed to burning oil instead of petrol !!
Diesel is a lot cheaper to buy also
7.3m, Cummins 6BT210 11gph @2600 for 27knt (friends are making 30 knt but they don't have old bottom paint like I do). Long range cruise, for me, is 5.9 gph @2000rpm for 20knt.

Diesel!!!
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Old 01 September 2012, 11:14   #19
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Originally Posted by ncp View Post
7.3m, Cummins 6BT210 11gph @2600 for 27knt (friends are making 30 knt but they don't have old bottom paint like I do). Long range cruise, for me, is 5.9 gph @2000rpm for 20knt.

Diesel!!!
Yes, but 20kts is more or less sailing speed. Jetskis!!!
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Old 01 September 2012, 15:33   #20
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Quote:
Originally Posted by Robbie Diesel

You won't be saying that when your paying for a blown leg next year....
The savings I make with the old oil burner will more than pay for it :-)
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