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Old 17-06-2006, 09:04   #31
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Join Date: Dec 2004
Location: Royal Oak, Michigan, USA
Boat: 1977 Cuttyhunk 59 Ketch, "Diva" in Trinidad
Posts: 175
Images: 276
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Eric, if you did leave home without it, there'd be bloody great hole in your hull! Speaking of the hole, what diameter tube is that 10hp unit? Brand? What's the displacement, and general windage sq footage of your Amel? What kind of duration do you find yourself thrusting for, on average, and what's the longest continuous thrust you've ever had to do? Woof, that's a lot of amps!
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Old 18-06-2006, 19:56   #32
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Join Date: Aug 2005
Boat: amel super maramu 53 Kimberlite
Posts: 114
thruster

My thruster is made by the amel factory.
it drops down with a section of the hull when in use and retracts when not in use. in the retracted position it is flush with the hull and it is difficult to see even when the boat is out of the water
Kimberlite is 28 metric tons displacement.
i use the thruster for short bursts of about 5-10 seconds.
longer continious use will smoke the motor.
what do you mean by the square footage of my boat?
it is a 53 foot ketch.
Fair winds,
eric
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Kimberlite
Amel Super Maramu
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Old 18-06-2006, 20:04   #33
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Your boat is roughly the same displacement and length as mine. Sounds like a nice arrangement, with the swing-down mechanics; no waterline disruption to worry about, like the standard "torpedo hole" deal; best of both worlds. Any idea what the prop diameter is on the thruster?

What I meant about square footage, is that for an aftermarket thruster (like I am shopping for) they makers are more concerned about the windage of one's freeboard than they are about the displacement. Sounds like Amel has the specs dialed in, such that you didn't have to calculate that. I envy you in many respects. Amel makes a beautiful boat.
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