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Old 21 August 2014, 04:46   #11
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Originally Posted by Pikey Dave View Post
My Current boat has twins & was built & specced for offshore diving, when you are putting people in the water you want to be sure that you can get them back out again. The boat has completely separate fuel systems, batteries, controls & will plane on a single engine. Now I've more or less given up diving, we are looking to change boats & I will have a single + aux on the new boat.


PS Any body interested in buying an extremely well specced dive RIB
It certainly is well equipped Mate!!...Best spec'd,and maintained Dive RIB I've come across by some way!...spose OCD does have it's upside
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Old 22 August 2014, 17:07   #12
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I have twins because it looks cooler and sounds better.
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Old 22 August 2014, 17:16   #13
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I have twins because it looks cooler and sounds better.
Ooh, is she finished? You out and about next week?
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Old 22 August 2014, 17:18   #14
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Ooh, is she finished? You out and about next week?
Yes at long last!! Although had starter motor failure on first run out i kinda though it was going to play up! new one should be in next week!
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Old 22 August 2014, 17:22   #15
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Old 22 August 2014, 17:29   #16
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[QUOTE=Landlockedpirate;640035]People generally think that having 2 engines is the safer option, I.e. if 1 breaks down, the other will get you home.

However, the reality is that unless you have 2 completely seperate systems (electrics, fuel, controls etc) its possible that if 1 stops so would the other /QUOTE]

Not always true! most boats rigged with twins would also have 2 filters & often separate tanks
We recently blew a head gasket 20 miles north of oban & drove 100 nm back to largs on the other engine
Our plan was to head out towards St Kilda had we not done the head gasket but it's reassuring to know we could have got back had it happened in a more remote area

If we were just staying fairly local & didn't need the 100% redundancy then single is far cheaper in every respect & often makes more sense

Depends where you do your boating I suppose !
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Old 22 August 2014, 17:50   #17
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We have twins on ours that run off same tank,which i dont see as abig problem as i would fill 2 tanks at same pump anyway If i go on long trips we have a couple of on deck tanks as well.
It suits me I am not sure having a small aux engine on a big rib is much use anyway I would want a 25 hp for mine
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Old 22 August 2014, 17:55   #18
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I have two also because I am psychologically damaged! I only usually see broken engines! Mine engines are rigged separately, with individual fuel tanks and filters etc. the only thing linking them is the steering tie bar and the diode on the killswitch
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