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Old 15 December 2004, 18:14   #1
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Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
Installing second engine on boat

I currently have a 35hp engine on my other (hard) boat. This is really too small for it - apparenly it has two 100s on it before i got it.
Anyway, have been blessed with a matching 35hp for an amazing price, which I picked up today. This should at least get it on the plane.....!

Now heres my question: How close together should the engines be mouted....
And, where can one buy a drag link suitable for linking two engines online (so I can get an idea of prices before the local shop rips me off). Are all links a standard length (this goes back to the first question).

Thanks!
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Old 16 December 2004, 19:57   #2
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Country: UK - England
Town: suffolk
Boat name: (Relief) & Blob Mk4
Make: Avon/ILC & Avon
Length: 3m +
Engine: 40hp/10hp Mariner
Join Date: Nov 2004
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Glad yer like the new toy then


had a bloke phone up today about my 30hp Long Shaft.

I may soon have a 15hp Short shaft Ex RNLI to go on the SIB
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Old 23 December 2004, 13:48   #3
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Country: UK - England
Town: Farnborough
Boat name: Narcissus
Make: Cobra
Length: 7m +
Engine: Optimax 225
Join Date: Jul 2003
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I reckon you want the engines mounted as close together as possible without fouling each other when turned. Closer together means if you have to run on 1 the thrust won't be so assymetric, plus you're less likely to ventilate the outboard one in a sharp turn.
Cheers
Matt
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