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  #1  
Old 08-23-2009, 05:08 AM
boat88 boat88 is offline
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Decide for propulsion system

Hello,
I try to find the best propulsion system for a high speed planning boat,its a trimaran with these characteristics

Length=10m
Beam=5m
Maximum speed=60 knots
Cruise speed=50 Knots
Weight=4.5 ton

but i have problem to decide between stern drive and outboard propulsion systems.
Also i want to know how many propulsion systems is more proper for this situation(i.e. 2 or 3)?
Thank you.

Last edited by boat88 : 08-24-2009 at 12:46 AM. Reason: Complete the information
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  #2  
Old 08-23-2009, 05:29 AM
masalai masalai is offline
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Outboard is easier to install and remove if not to your liking.... How about a longtail or surface drive There have been images of 6 or so 250hp outboards around - wanna go for a record? 10 units?
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Old 08-23-2009, 06:37 AM
KnottyBuoyz's Avatar
KnottyBuoyz KnottyBuoyz is offline
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Quote:
Originally Posted by masalai View Post
Outboard is easier to install and remove if not to your liking.... How about a longtail or surface drive There have been images of 6 or so 250hp outboards around - wanna go for a record? 10 units?
I think 900 HP should just about do it Mas.

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  #4  
Old 08-23-2009, 09:23 AM
liki liki is offline
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Definitely IPS for that platform, KnottyBuoyz ^_^
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