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Old 31 August 2006, 17:55   #21
TIM
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we have seen 46.8knots or 54mph, on GPS, in fairly flat water .. but its not set up perfect ......
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Old 31 August 2006, 18:04   #22
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Had Greyhound at over 43kts earlier in the year (Ribtec 585 with Yammie 115hp 2 Stroke Outboard on her). Mind you, I had absolutely no gear on board (2 fat gits though), and was pulling over the max RPM owing to the engine over fuelling. Get 38kts reliably.

http://rib.net/forum/attachment.php?attachmentid=17992
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Old 31 August 2006, 19:49   #23
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Have posted this elsewhere on this forum. 8.5 Hull 275 Verado 2 up full tank 63 mph trimmed to the limit, but motor still had 500 rpm to go if I had the right prop, but tbh, I dont think it would go that much faster if I had the revs. Sea wasn't flat calm on the day either, mind you I lost two caps and me wig hehe
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Old 31 August 2006, 20:34   #24
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Thats FAST ! Have u seen the Ribeye By Pascoe SR9 outboard version twin 300 hp does 90 miles per hour only drawback is the 110,000 price tag
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Old 01 September 2006, 04:12   #25
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My Humber 6.3m Ocean-Pro does 39.5 kts fully fuelled, all normal kit on board and with 2 not so light!! people. The engine is a Suzuki DF140 turning an aluminium 21in pitch prop (Standard Suzuki Fit)
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Old 01 September 2006, 04:26   #26
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My last boat was an 8.1 Scorpion and with an Optimax 225 she recorded 54.6 knots on the GPS with two on board and 50 gallons of fuel.

Ollie
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Old 01 September 2006, 04:50   #27
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RIBEYE 750, Yamaha F225

57 mph in central London on Thames (perfectly legal)
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Old 01 September 2006, 06:33   #28
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Quote:
Originally Posted by timw
RIBEYE 750, Yamaha F225

57 mph in central London on Thames (perfectly legal)
What would one of those be like on fuel???

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Old 01 September 2006, 06:46   #29
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Quote:
Originally Posted by Will Lankston
What would one of those be like on fuel???

Cheers
at that speed its best not to think about it too much!!
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Old 01 September 2006, 07:08   #30
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Depends which prop I have on as to the speed I can get. Most of this season it has been rocking a 15 pitch as it's done a fair bit of skiing and wakeing etc and the pull from that prop is better for that but means it's a 36 knot max (which it can achieve loaded/unloaded it doesn't care). I also have a 19 pitch which with two people and lots of sailing kit has seen 45 knots without any problems.

I know the Optimax engined version in Portsmouth is carrying a 21 pitch and has been above 45 knots.
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