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Old 30 April 2003, 15:12   #21
Country: Ireland
Town: Dublin
Boat name: WIZARD
Make: REDBAY 7.4
Length: 7m +
Engine: OPTI 225
Join Date: Aug 2002
Posts: 417
Thanks for the info dykkeren,

this the engine that we are concerding buying, when we upgrade out RIB

How many hours have you done on the engine so far??? and has it given you any trouble???

Whats the fuel consumption like???


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Old 30 April 2003, 15:57   #22
Country: UK - England
Town: Brixham, Devon
Boat name: FLY-BY/FLY-BY II
Make: Ribcraft/Avon
Length: 6m +
Engine: Honda 175/Yamaha 30
Join Date: Jan 2002
Posts: 311
I use a Yam 200hpdi on a fairly regular basis for both slow speed and high speed work. Its fitted onto a 7.2m MCA Coded rib with 55 gal fuel. Excellent reponse when needed in rough weather. Good overall fuel economy. I have a fuel comp fitted and @ 25 knots it reads 6 gph.
No smoke or coughing at all even after 6 hours of nothing above 6 knots.
Servicing has also surprised me how reasonable the price was and my local Yam agent.

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Old 30 April 2003, 16:33   #23
ribraff's Avatar
Country: UK - England
Town: Dartmouth
Length: 6m +
Join Date: Feb 2003
Posts: 1,191
Is your local agent Chris Hoyle at Kingswear by any chance, or is ther one closer to you in Brixham?
Hypalon Tubes built in-house,retubing, repairs, Accessories
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Old 30 April 2003, 17:05   #24
Country: UK - Channel Islands
Boat name: Spud
Make: BWM
Length: 5.75
Engine: Mariner 125
Join Date: Jan 2003
Posts: 199
Re: 2 Or 4 Stroke Verus Diesel

Originally posted by Aging Youth
Also is there a minimum size of Rib to install a diesel in?
Humber had the 5.5 extreme with this fitted Mercrusier 1.7L DTI is is a 90 desiel. They were quoting good figures for it. Cant remember what show it was at, but looked promising.

They big thing of how compact the 1.7 desiel is hence why they could fit it in such a small boat, even smaller i guess

Originally posted by Keith Hart
Just out of interest, was the Wankel engine ever developed into a marine engine? I'd have thought that it's light weight, simplicity and ability to run whilst upside down (well it doesn't really have an upside down) would have made it an ideal candidate.

Keith (genuine question) Hart
that a very good point, but then again there more thirsty than 2 strokes due to there high 'hp' to 'cc' ratio.

i used to pit crew for a rally car that had a 1.1 wankel in it, but it was classified as a 1.7 because then small unit was so powerful!

will have to look into that seeing as they have stucks rockets into boats but not a wankel

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