Merc 700 ?????
05-09-2007, 08:30 PM
#11
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05-09-2007, 09:06 PM
#14
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the 32 DCB at the power boat trials was running 17X40 merc CNC 5 blades, too much diameter= transon lift,they normaly run 16.5X38's with no issues the 40's were just for big numbers,,,140mph on the limiters 
05-09-2007, 09:21 PM
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05-09-2007, 09:28 PM
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05-09-2007, 09:39 PM
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Oh yeah Jeff - when you called last Friday while working, this was us stopping for lunch. You are welcome to join us anytime.
Last edited by Mentalpause; 05-09-2007 at 09:44 PM.
05-09-2007, 09:50 PM
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I am very intrigued by this combination. Its a bit faster than triple 525s, and obviously a LOT simpler, lots more room in that engine room, and its a whole engine lighter (that's why its faster with a bit less power).
The twin diesel sounds really practical too -- get 2 mpg at cruise, and diesels cruise close to flat out. About 1.6 mpg flat out. About 70 mph, I think they said. And the rebuild time is forever. Of course, other stuff goes to hell, but not the drives or engine. The intercoolers clog, turbos fail, wiring goes wonky (just like on all EFI gas engines), etc. So maintenance is still needed. But its amazing when you look at a 2000 hour yanmar -- it looks and usually runs like brand new.
05-09-2007, 09:57 PM
#19
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Fountain reps told me 90, and my velocity prediction program gives the same answer.
I am very intrigued by this combination. Its a bit faster than triple 525s, and obviously a LOT simpler, lots more room in that engine room, and its a whole engine lighter (that's why its faster with a bit less power).
The twin diesel sounds really practical too -- get 2 mpg at cruise, and diesels cruise close to flat out. About 1.6 mpg flat out. About 70 mph, I think they said. And the rebuild time is forever. Of course, other stuff goes to hell, but not the drives or engine. The intercoolers clog, turbos fail, wiring goes wonky (just like on all EFI gas engines), etc. So maintenance is still needed. But its amazing when you look at a 2000 hour yanmar -- it looks and usually runs like brand new.
I am very intrigued by this combination. Its a bit faster than triple 525s, and obviously a LOT simpler, lots more room in that engine room, and its a whole engine lighter (that's why its faster with a bit less power).
The twin diesel sounds really practical too -- get 2 mpg at cruise, and diesels cruise close to flat out. About 1.6 mpg flat out. About 70 mph, I think they said. And the rebuild time is forever. Of course, other stuff goes to hell, but not the drives or engine. The intercoolers clog, turbos fail, wiring goes wonky (just like on all EFI gas engines), etc. So maintenance is still needed. But its amazing when you look at a 2000 hour yanmar -- it looks and usually runs like brand new.
05-09-2007, 10:32 PM
#20
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