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03 June 2006, 19:01
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#41
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Member
Country: UK - England
Town: St John, Cornwall
Boat name: Ningaloo
Make: Ribeye 5.8m
Length: 5m +
Engine: Yamaha 100hp
Join Date: Mar 2006
Posts: 99
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Ribeye 5.8, Yamaha F100. 5 large adults, loads of gear, 50 litres fuel, flat water= 36mph
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03 June 2006, 22:41
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#42
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Member
Country: UK - England
Town: littlehampton
Boat name: lynx
Make: ballistic
Length: 6m +
Engine: etec 175
Join Date: Apr 2005
Posts: 8
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Ballistic 6.5m 115 ficht wot @ 5500 no trim + 3 people slight chop 100ltrs fuel 30knots. same conditions fully trimmed up 34 - 35knots gps,prop used 17" ss
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04 June 2006, 01:20
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#43
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Member
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,562
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Quote:
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Originally Posted by andrew.adamson
Rogue Wave was at 42 knots on my heavty boat with me paying for the fuel, what a mug am I!! Two up and only at 5000 revs and more to come.  |
Now c'mon Andrew You know that isn't true!
It was 44 Knots before it all got too wobbly, how lovely it was to have an opti behind me again. Have I ever mentioned I like those engines 
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Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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05 June 2006, 09:46
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#44
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Member
Country: UK - England
Town: Lymington
Boat name: Farfetched
Make: Solent Ribs
Length: 6m +
Engine: 150hp Suzuki
MMSI: 235021048
Join Date: Apr 2004
Posts: 963
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Still more please
Particulalrly interested in 6.25 to 6.5 with 125+hp. This is where the data so far is richest and I might be able to publish some conclutsions - but all sizes over 5M and below 6.75M are welcome to post.
Thanks
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05 June 2006, 10:07
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#45
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Member
Country: UK - England
Town: Lymington
Boat name: Farfetched
Make: Solent Ribs
Length: 6m +
Engine: 150hp Suzuki
MMSI: 235021048
Join Date: Apr 2004
Posts: 963
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Initial findings
Here is a graph - forgive excel to adobe pdf to photoshop translation but I can't post excel here - can I, JK?
It is of the 6.3 to 6.5 M petrol ribs in the survey, plotting HP vs reported WOT in knots.
More data please!!!!!!
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05 June 2006, 10:46
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#46
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Member
Country: UK - England
Town: knebworth
Boat name: phoenix
Make: xs
Length: 6m +
Engine: 115 opti
Join Date: Jun 2005
Posts: 193
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XS 600 115 opti, 17" prop, 120l fuel, 2 people, 5600rpm, 41mph
I am trying a 19" prop in couple of weeks so will let you know the difference.
mark
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05 June 2006, 11:49
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#47
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Member
Country: UK - England
Town: Bucks
Boat name: Blue & Ding Dong
Make: Ribeye,SR4 & Bombard
Length: 6m +
Engine: 115,50 & 15Hp Yams
Join Date: Feb 2004
Posts: 3,252
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5.75 Viper 150 opti 46 knots best so far!
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06 June 2006, 08:27
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#48
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Member
Country: UK - England
Town: Bracknell
Boat name: Boatless and lost
Length: no boat
MMSI: Who?
Join Date: Feb 2004
Posts: 531
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Osprey Vipermax 6.5m with Merc 150 opti.
Can't remember the prop but I think its a 21" laser.
5000 rpm (still running in!) 43 knots and scared!
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Phil
Born to stuff!!
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07 June 2006, 13:12
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#49
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Member
Country: UK - England
Town: Southampton
Boat name: Eighth Child
Make: Rib X
Length: 6m +
Engine: 150 E-Tec
Join Date: Jun 2004
Posts: 265
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Rib-X 575 (5.8m) with Suziki 90HP
Did our top speed on Sunday trimmed right up and with the wind behind us at 40.2mph, me and two kids light fuel load.
Usually does about 38mph flat out not trimmed to high.
Went out in a Rib-X 650 with a 200HP etec at the Rib show. Got frightened at 52mph and slowed down still had loads left.
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07 June 2006, 17:32
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#50
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Member
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
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17.5' Aluminum Rib, Yamaha F115, solo, no dive gear, about 3/4 of a 50 gallon tank yields a speed of about 38 or so mph in flat water.
jky
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07 June 2006, 18:20
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#51
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Member
Country: UK - England
Town: Chesterfield
Boat name: Sea Quell
Make: Picton Cobra
Length: 5m +
Engine: Mercury 150 4 Stroke
MMSI: 235038298
Join Date: Sep 2003
Posts: 1,095
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5.5m Cobra, 120l fuel, 3 divers and kit 17 Rev 4 44 mph at sea > good conditions
40 ltrs fuel, 2 crew, 19" laser II > inland lake 51.9mph ........ and not a .00001 more
Jeff
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07 June 2006, 20:41
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#52
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Administrator
Country: UK - England
Town: Brighton
Length: 3m +
Join Date: May 2000
Posts: 7,108
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Quote:
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Originally Posted by brucehawsker
Here is a graph - forgive excel to adobe pdf to photoshop translation but I can't post excel here - can I, JK?
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No, but you can post a PDF though which would cut out one of the steps!
John
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07 June 2006, 22:39
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#53
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Member
Country: UK - Channel Islands
Town: Jersey
Boat name: Cinque Ports Baron
Make: Tornado
Length: 6.5
Engine: Mercury 200 Opti
Join Date: May 2004
Posts: 20
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Tornado 6.5 with mercury optimax 200 - 49kts and streaming eyes!!!
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07 June 2006, 23:15
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#54
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Now back to being Mollers!
Country: UK - England
Town: Arundel
Boat name: Mike Bravo 1
Make: Scorp
Length: 9m +
Engine: Yanmar 300
Join Date: Oct 2005
Posts: 652
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Quote:
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Originally Posted by Phil Chitty
Osprey Vipermax 6.5m with Merc 150 opti.
Can't remember the prop but I think its a 21" laser.
5000 rpm (still running in!) 43 knots and scared! |
Ummmm, curious. 
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07 June 2006, 23:39
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#55
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Quote:
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Originally Posted by Alice
Ummmm, curious. |
Doesn't that compare well with your Scorpion?
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08 June 2006, 00:00
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#56
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Member
Country: UK - England
Town: cornwall
Boat name: nothing
Make: rib eye 430
Length: 4m +
Engine: tatsu 50
MMSI: 666
Join Date: Mar 2006
Posts: 1,915
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Quote:
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Originally Posted by Alice
Ummmm, curious. |
No antifouling I guess
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08 June 2006, 12:49
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#57
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Member
Country: UK - England
Town: Surrey
Boat name: ocean pro 6.3
Make: Humber
Length: 6m +
Engine: 140hp suzuki
Join Date: Feb 2004
Posts: 824
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humber ocean pro, 140hp suzuki, 50ltrs fuel, two people up, 41knts, same with 4 people, 37knts full throttle
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08 June 2006, 15:58
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#58
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Member
Country: Hong Kong
Town: HONG KONG
Boat name: MAMBO
Make: SACS
Length: 6m +
Engine: OUTBOARD,petrol200hp
MMSI: 46479835
Join Date: Jun 2006
Posts: 2
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Quote:
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Originally Posted by Phil Chitty
Osprey Vipermax 6.5m with Merc 150 opti.
Can't remember the prop but I think its a 21" laser.
5000 rpm (still running in!) 43 knots and scared! |
hi phil chitty, is a nice boat and fast, do u have a photos to me.and now i'm looking for a Gemini rib 5.5, what are u feeling that boat, pls reply me. Rambo
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08 June 2006, 19:47
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#59
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Member
Country: UK - England
Town: Bromsgrove
Boat name: Kick-Ass !
Make: PAC/Artic 22
Length: 6m +
Engine: 250hp Yamaha
Join Date: Nov 2003
Posts: 3,577
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Quote:
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Originally Posted by Alice
Ummmm, curious. |
i can quote for 40 + wid that boat 
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˜™
MY BIGGEST WORRY IS THAT MY WIFE(WHEN I"M DEAD)WILL SELL MY TOY'S FOR WHAT I SAID I PAID FOR THEM.
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08 June 2006, 22:10
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#60
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Member
Country: UK - England
Town: cornwall
Boat name: nothing
Make: rib eye 430
Length: 4m +
Engine: tatsu 50
MMSI: 666
Join Date: Mar 2006
Posts: 1,915
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Alice I expect you probably stretched your throttle cable doing all them vrooom circles
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