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Old 01 June 2006, 14:10   #1
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
5M to 6.5M Ribs - Speed Survey

I am looking to build a dataset of real (2 way GPS measured with and aganist tide averaged, 2 adults on board) top speed (wide open throttle) attained by Ribs in the popular 5M to 6.5M range. To start off:

Farfetched - Solent, 6.5M, 150 opti, goes between 42 and 45 knots, depending on fuel level.

Look forward to amny answers. Please, no bragging, I am genuine interested in the true real world answers.

Thanks

Bruce
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Old 01 June 2006, 14:21   #2
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Country: UK - Isle of Man
Town: port st mary
Boat name: Orange Peel
Make: Delta
Length: 5m +
Engine: Mercury 90
Join Date: May 2006
Posts: 96
Delta 5.5m 90 hp mercury 2 stroke, 2 uyp, approx 30l fuel load
2 way average 34.9knts
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Old 01 June 2006, 14:33   #3
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
Thanks Mouldy. More please!!!
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Old 01 June 2006, 14:36   #4
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Country: UK - England
Town: Salisbury/Poole
Boat name: Blue C
Make: XS 600
Length: 6m +
Engine: 125hp Opti
MMSI: 235082826/235909566
Join Date: Jan 2004
Posts: 1,439
Blue C 5.5m XS, 3 up, Opti 90hp 80 Liters fuel, 2 way av 37.6Kn.

Brian
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Old 01 June 2006, 16:16   #5
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
Thanks Brian - come on you guys - there must be more players who look at their speed on GPS occasionally!
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Old 01 June 2006, 16:19   #6
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Country: UK - England
Town: Cornwall
Length: no boat
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Posts: 1,518
Ribtec 5.35 Evinrude 90, 38 kts 4 up, 40 kts 2 up half fuel load
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Old 01 June 2006, 16:27   #7
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
Thank you. Let's have some 6.5M replies!
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Old 01 June 2006, 16:46   #8
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Country: UK - England
Boat name: Challenger 2
Make: Avon
Length: 6m +
Engine: Honda 150hp
Join Date: Oct 2005
Posts: 310
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Avon 620, 4 up, full tank of fuel, 43.7 knots at WOT
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Old 01 June 2006, 16:48   #9
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Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,688
Humber Destroyer 5.8, Johnson 115 with a 17" prop
1 fat person
about 75L fuel
max speed ever recorded on GPS 36.1kt
normally won't get past about 35.4/35.5 so assume the above may have been following tide

Getting a 19" prop so will be interesting to see if that makes any difference as the engine feels like it could give more.

I also discovered recently that the engine (which is a FastStrike variant) still has the running in restrictor fitted so I could get another 500rpm if I could figure out how to chisel that off, that and a 19" prop might see the hectic side of 40
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Old 01 June 2006, 16:51   #10
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Country: USA
Town: Seattle
Make: Ballistic
Length: 6m +
Engine: twin 90HP TLDI
Join Date: Mar 2006
Posts: 177
Mako 6.5 with twin 90 Tohatsu full fuel 2 people 46 MPH @ 4300 RPM. Motors only have 6 hours on them and need to be reproped.
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