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Old 16 June 2008, 03:23   #11
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Do Yamaha do duo-prop outdrives though?

Can't beat a Volvo duo-prop out-drive, they seem to be reliable
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Old 16 June 2008, 03:57   #12
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Yamaha

Yes they do Duo Props on the 315hp and also the smaller engine as well, cant remember is its the 265 or something like that.

From what I hear they are going very well.

Cheers

Julian
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Old 16 June 2008, 04:17   #13
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Originally Posted by alt View Post
Do Yamaha do duo-prop outdrives though?

Can't beat a Volvo duo-prop out-drive, they seem to be reliable


"OK so picture the scenario, you have a budget of 40-45k, and you want a diesel RIB that's capable of cruising around the west Irish coast (7.5m+), with a long range

The requirments are:

Engine must be diesel
Must be able to hold 4 crew comfortably (Maybe even backrests standing instead of jockey seating)
Must be capable of 45knots
Fuel range must be at LEAST 250miles (Could do a DIY and fit a portable tank on the deck)

What would you choose? Obviously I would not be buying new, but something less than 5 years old would be nice." [/Quote] Alt





So is the 'Long Haul' rib now on it's way Alt?
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Old 16 June 2008, 04:52   #14
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Rib

Hi,

I would say this is a very good buy and under your budget, diesel engine, long range cruising boat, seats 6 with back rests etc.

Link here - http://www.boatsandoutboards.co.uk/view/LYM118

Maybe of interest

Julian
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Old 16 June 2008, 21:29   #15
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Coming back to the original question MAYBE the Bravo drives fitted to the latest Cummings diesels are ok.

I have never heard a bad word about cummins themselves and Volvo has had it's share of problems with the early D6s as well - nobody is perfect. If there is a good warrenty on the package from Parker and it is the boat you need I wouldn't condem it too quickly.
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Old 17 June 2008, 07:56   #16
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Absolutely not. It is a very good boat, 2nd to none tried so far. However, the QSD 4.2 is not covered for commercial operations. That is the dilemma!
If I go that route, any trouble and I take the hit ......

Still I could always go the Optimax route ....
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Old 17 June 2008, 08:41   #17
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.... However, the QSD 4.2 is not covered for commercial operations. That is the dilemma!
If I go that route, any trouble and I take the hit ......
I guess Parker are going to have to be a bit more flexible sometime in the future.
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Old 17 June 2008, 08:48   #18
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Still I could always go the Optimax route ....
Surely that would be answered by the business case and how the figures stack up. Asuming the refund of duty for commercial users continues then having 3 outboards (one to quickly swop out) could make sence.

Pete
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Old 17 June 2008, 19:35   #19
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its not the engines that are the problem its the top bearing and gear teeth in the Leg that fail on the bravo Drives , its not a matter of if they break , its just a case of when.

Yamaha developed the Duo prop for Volvo, years ago , but were unable to sell the duo prop drive in USA or Europe until recently . but yamaha duo props have been avalable in aisa ,and the middle east for years.

Yamaha drive uses a milti wet plate clutch to engage forward and reverse gear, this has some 'give' in it , and i think thats why the gearboxes don't blow up . unlike the bravos.

Bravo drives seen to be reliable on petrol engines up to 800hp , I think its the torque that kills the top bearing . the X drives had a hardened gears and bigger bearing , this seemed to prolong life , but it didn't cure the problem.

Basically you want an outdrive in a rib it has to be Volvo or Yamaha , forget the rest .
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