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Old 23 October 2008, 12:21   #11
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Should we call you MainBrayce!?
No! Most certainly not.

It is for a safety boat, but one that does not need to respond with speed. More of a self propelled platform really.

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Easy.........suzi 4stroke
Don't get me wrong, the Snoozukis are a nicely designed engine, but the two part cowl that covers some of the more useful service items is a bit of off putting feature to my mind.
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Old 23 October 2008, 12:24   #12
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How about Mercury Seapro 40hp, 2 stroke? simple and realiable.
Are they available new to commercial users?
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Old 23 October 2008, 12:26   #13
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Fair point on Snoozi.

Careful you don't give anyone a lift off the moorings or you might find your boat hung off the wall and stabbed!!!!!!!!!!!!

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Old 23 October 2008, 12:29   #14
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Careful you don't give anyone a lift off the moorings or you might find your boat hung off the wall and stabbed!!!!!!!!!!!!
I did give some nice French chaps a tow the other afternoon, does that mean the dinghy is in even more danger now? Also, is it the boat or me that gets knifed??
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Old 23 October 2008, 13:47   #15
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I think it was just the boats! You might ask the ****trouts for the real answer, but beware the Horses Head in the Bed!
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Old 24 October 2008, 12:05   #16
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Malthouse

A bit more info would be useful.

On what you have told us I would say no to the twin idea
  • I assume it’s a small boat so should be manoeuvrable enough with a 40 or 50 anyway.
  • the benefit of 1 engine failing and having a back up is some what negated if you are only operating in the harbour.
  • The benefit of 2 separate fuel systems is also some what negated for the same reason
  • Twin 20s are going to way more than a single 40 I suspect
  • Twin 20s are going to underperforms a single 40
  • Although you can service 1 at a time this means your boat will not be able to do its job properly for twice as long, it will also increase total service bill

In summary you don’t really need the benefits of twin engines but will suffer the disadvantages.

As already said Honda 4 strokes of that size are quite happy doing extensive periods of slow stuff and Yams are not generally so fond of this sort of treatment. I've got a mariner 15 on a rigiflex that does a lot of safety boat stuff in the river, its 3 months old and does seem to appreciate a few blasts every day if we do lots of slow stuff.
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