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Old 08 January 2005, 05:16   #11
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At the risk of sounding like an eejit, I am presuming that this unit cannot retract out of the way, like z-drive type unit? If this is so then it will only be for Cruisers etc never making it to ribs.

Would be impressed if they could engineer a solution to allow it to retract.
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Old 08 January 2005, 06:08   #12
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Yes biggest drawback has to be damage from impact - enough of a problem to make it a non starter for many - also the hull design would have to be suitable.
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Old 09 January 2005, 13:39   #13
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Wonder if we shall ever see the technology on an outboard? In theory it should be possible. What do you think.

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Old 09 January 2005, 14:42   #14
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There was a brief bit about the new drive on the boat show review programme today.

They said that at the moment the drive is aimed at the 40-50ft market with new drives in development that will suit even larger craft so, most RIBs are counted out!

They did however show a few video clips of the new unit:

1st showed a boat with the new drive manouvring in a marina and it can actually turn in its own length like a jet drive which was pretty impressive.

2nd showed a performance comparison to a standard drive and highlighted improved top end performance and acceeration by 20%.

3rd compared a boat with the new drive and one with a standard drive turning at high speed - the new system again allowed for a much sharper turning circle.

According to the Volvo sales person, this unit is going to revolutionise the powerboat industry!!!

All looks pretty impressive and promising to me - i think a really innovative new form of propulsion is long over due! Who knows - there may well be a RIB orientated version developed in the future?

Better get saving!
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Old 09 January 2005, 14:57   #15
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Another plus point ( i don't think ) changeing a damaged prop , will have to be a lift out job and as these are for the bigger powerboats 35ft+ that is going to cost a bit
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Old 10 January 2005, 09:08   #16
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Thats wot divas is for.
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Old 10 January 2005, 09:17   #17
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So they have spent years developing this drive, tested it throughout the world, ironed out all the faults so we don't see the repeat of the bravo stern drive saga, yes ? or maybe we will just let it loose on the public and let them test it instead......

Oh and their are going to be loads of after market manufacturers making props for these in the short and medium term keep prices rock bottom, or will you have to pay volvo prices ?

Still as Simon points out your local friendly diver will be able to assist

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Old 10 January 2005, 12:21   #18
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Well....

I was thinking about this, maybe I'm being premature thinking prop change would be the realm of divers. You could simply have a giant size inflatable doughnut (steady Homer) with a skirt fitted blow it up under the keel of the Palais de Gin and then fill it with compressed air..

Hey presto a dry underwater habitat for the use of. No proper diver reqd.
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Old 10 January 2005, 12:48   #19
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I can't see how you could use it on a RIB that didn't live in the water - it doesn't tilt and trim!! You'd struggle to get it on a trailer.

Looks cool though.

D...
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Old 10 January 2005, 12:53   #20
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But if this drive is on a Gin Palace, the difficult prop changing scenario would be no different to any other drive so the argument is irrelevant.

If it were shaft driven, you'd need a lift out and if it were a standard leg, its likely that you'd still need a lift out as most cruisers in this size bracket seem to have swim platforms which completely cover the legs.

So, that may be one negative point shot down???
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