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Old 12-03-2013, 12:40 PM   #1
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single vs twin

what is the best option for top speed single or twin outboards on a 27 footer catamaran.

some say single is better because of less drag and weight other say twins are better?

im confused of what is really better.
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Old 12-03-2013, 01:53 PM   #2
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when you say single or twin what hp outboards are you thinking of ?
twin 300s against single 300 its a no brainer but are you thinking one 300 vs say twin 200s ?
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Old 12-03-2013, 02:20 PM   #3
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Quote:
Originally Posted by lucasv View Post
what is the best option for top speed single or twin outboards on a 27 footer catamaran.

some say single is better because of less drag and weight other say twins are better?

im confused of what is really better.
Need to know which cat as well as what you want it for, how fast do you want to go, how big your fuel and purchase budgets are and probably a couple of questions I haven't thought of yet!

Rule of thumb is add 30% more power to get the same performance from a twin rig ie: Single 300 you would need at least twin 175's if not twin 200's, they will be more money and cost more to run BUT you will have better acceleration low down, better manoeuvrability at slower speeds and something to get you home if one engine stops.

Hope that helps, I'm sure someone will come up with some different advice but that's the way I see things.
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Old 12-03-2013, 04:17 PM   #4
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Quote:
Originally Posted by Cookee View Post
Need to know which cat as well as what you want it for, how fast do you want to go, how big your fuel and purchase budgets are and probably a couple of questions I haven't thought of yet!

Rule of thumb is add 30% more power to get the same performance from a twin rig ie: Single 300 you would need at least twin 175's if not twin 200's, they will be more money and cost more to run BUT you will have better acceleration low down, better manoeuvrability at slower speeds and something to get you home if one engine stops.

Hope that helps, I'm sure someone will come up with some different advice but that's the way I see things.
And a better ballanced boat with a single too..
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Old 12-03-2013, 04:26 PM   #5
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And a better ballanced boat with a single too..
Surely that would depend on the individual hull?
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Old 12-03-2013, 09:51 PM   #6
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Surely that would depend on the individual hull?
Thats true I suppose, but pulling a significant amount of weight off the back of a cat can never be a bad thing.
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