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arneson asd7m surface drive vs bravo xr

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Old 11-26-2007, 12:49 AM
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Default arneson asd7m surface drive vs bravo xr

OK, I need some info on surface drives. I am hoping to change out the drives this winter. I currently have a 35' Nordic Flame, twin 525's with xr drives. I was looking at IMCOs, but then started to think about surface drives.
What are the advantages, and dis advantages of surface drives? Has anyone done a similar application? How does it effect handleing? How does it compare price wise?
All information appreciated

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Old 11-26-2007, 07:12 AM
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They work well on some boats and not as well on others.Do a search on the topic
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Old 11-26-2007, 08:04 AM
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Are you looking for more speed? Your XR's should be strong enough for your power.

Last edited by Canada Jeff; 11-26-2007 at 08:05 AM. Reason: spelling
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Old 11-26-2007, 10:16 AM
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Ask Rik Wimp at Arneson, they will not break and cheaper than you think.
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Old 11-26-2007, 11:46 AM
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would not mind more speed, would love more stability at speed, hoping the nose cone on the IMCO, 2" shorter for both the above.
I have already blown one drive, at 75 hours, and want something more bullit proof, to ensure less down time, and $$$
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Old 11-26-2007, 12:06 PM
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Quote:
Originally Posted by beertruck View Post
I have already blown one drive, at 75 hours, and want something more bullit proof, to ensure less down time, and $$$
Than the Arnison is your answer. Report back with your findings please.
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Old 11-26-2007, 12:20 PM
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Have you considered Konrad drives?. I know I would give them serious consideration based on the feedback I have read here.
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Old 11-26-2007, 01:39 PM
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what are the handling charactoristics of the arnesons vs the bravos?

Do they help high speed stability (80-92 mph)
how are they coming to plain?
docking?
assume they are fairly bullit proof for moderate hp (525-750 hp)
anyone on the board that you know of that has used it on a 32-40' stepped hull v boat?

thanks
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Old 11-26-2007, 01:43 PM
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You may not be able to acheive the bow lift you need on that boat. You need to approach this with EXTREME CAUTION!
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Old 11-26-2007, 01:52 PM
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current set up had a problem with too much bow lift. I have removed two of the four batteries from the back, and have the drives slightly toed in to keep the nose down at speed. I had Tres Marten look at the boat a couple years ago, during a driving class, and he seemed to think the center of gravity was off in the boat, too much weight in the back.
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