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Old 13 July 2004, 08:40   #11
Country: UK - England
Town: Blandford / London
Boat name: Top Cat
Make: Scorpion 8.1
Length: 8m +
Engine: Yamaha F225
MMSI: 235020739
Join Date: May 2003
Posts: 124
I have also been advised that with twins because they are usually proped differently to a single, if one fails and your running on the other the performance is much worst that if that same engine was set up as a single. I have even heard rumours about them struggling to get on the plane on one engine !

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Old 13 July 2004, 13:33   #12
Country: UK - Wales
Town: St Davids
Boat name: 6 vessels -various
Make: Quinquari/Humber
Length: 10m +
Engine: Twin ETEC200s
Join Date: Nov 2003
Posts: 130

I think we have given this one a good airing in the past. But as a quick note.

1. Twins will always provide better stability to the vessel. Look at a transom elevation put a single on and compare the fulcrum to a single.

2. For performance the single will give better.

3. Set up well, a pair of twins WILL NOT use more fuel than a single.

4. If one engine goes down the second may well not get the vessel on the plane but should provide a good 10knots which is much better than a 5hp aux which will give only a couple of knots.

5. The manouverabilty on a well set up pair of twins is superb when used correctly.

6. Twins may be seen as a lux but for those who have used the set up they will never go back to a single.

7. Agreed that it is the servicing of two engines but with a good dealer they will price according to volume.

And on the point of twins

1. All of our vsls are twins.
2. We have 6 kids - including two sets of twins so a tad of bias !!



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