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Old 09 November 2006, 13:20   #21
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not sure about the blades

Now maybe iam being daft, or have missed some thing

i understand how it works, which is a start (well with 2 drives i do any way ) but if 1/3 of the unit is in the water then 2/3 s are above and this thing is spinning fast at the back of the rib which has a relativly low transom
then in reverse its going to chuck bucket fulls of water into theboat
not to mention if someone falls in between the blades

ouch !!!

or is this just me being plain silly

Andy
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Old 09 November 2006, 15:01   #22
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in reverse its going to chuck bucket fulls of water into the boat
From what I have seen the drives are fitted in a sort of "pod" which covers them and stops this happening, or in the case of the Ribcrafts in the videos there is an overhang on the transom doing the same job.

John
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Old 10 November 2006, 18:30   #23
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that's about right the pod thing. I was based in saxon for three years and before I was there they had been testing the yellow fin device at least twice a week and they are still doing iyt. They used to have two boats but now have about 8 on trial. They are incredibly well funded, apparently by a major engine manufacturer (VW?) but nobody would tell me that outright.

Hole point of this babble is that I believe them drives will be reliable as they have been very exhaustively tested!
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Old 30 January 2007, 10:18   #24
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Yellowfinn surface drive system.

I have seen the sales video etc,etc for this system. I have also seen it in the flesh (so to speak) and spoken to the developers. In my own personal opinion it will revolutionize the marine industry. It is a shame that the marketing of this product does not appear to have even started yet. When the developement is finished and the marketing completed I will be the first in the que and I feel that we are all about to see a major change in drive systems as a result of yellowfinn. I only wish it were available now as I am about to change boats and would give 100% backing to this product. By the way I am a "Joe Bloggs" with no commercial interest in this product, I simply feel it will change our boating lives!
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Old 30 January 2007, 11:14   #25
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I sent an enquiry to the company today, and got this back

"Thank you for your interest in VSD.

We intend to start manufacture during 2007 and within 36 months there will be a range of drives catering for single, twin and multi-engined configurations from 60hp - 2000hp. I don't know if this will suit your time frame.

The initial launch is VSD1, a drive unit that is suitable for twin 150hp - 300hp diesels. We have been working with certain engine manufacturers for some time and VSD will be available as a total propulsion package (engine and drive system) only. Distribution will be via these engine manufacturers dealers / representatives.

We are concentrating on the new-build market initially, but hope to offer a re-power / retrofit service for existing craft once the new-build market is up and running.

We have recently introduced a new website and will be putting brochures on the site to download. Further technical documentation will on on-line as we get nearer to launch.

I hope the above is of interest, please do not hesitate to contact me if you require further information."
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Old 30 January 2007, 17:08   #26
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I think it's Cummins or Caterpiler or similar - they have the money to develop it the way it should be.
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Old 31 January 2007, 05:20   #27
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am I to assume that is no good for outboards but only for inboards?
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Old 31 January 2007, 06:20   #28
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Yellowfinn surface drive.

I have seen this system in the flesh at last years S'hampton boat show. It appears fantastic and if developed and marketed properly will I have no doubt revolutionise the whole marine drive market. I was very impressed by what it "said on the tin" so to speak. I am quite certain that it is funded by and 100% linked to Volkswagen (VW). To put all this in perspective, if it were available today and all claims were proven I would but it now. I do see this system as the future propulsion for the general marine industry! In answer to the query regarding engines! Yes, it is only currently being developed for inboard systems. However watch this space!
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Old 31 January 2007, 12:34   #29
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I think it's Cummins or Caterpiler or similar - they have the money to develop it the way it should be.

Any reason that you came up with the names you did? Or are you just choosing large diesel manufacturers?

jky
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Old 31 January 2007, 16:54   #30
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Any reason that you came up with the names you did? Or are you just choosing large diesel manufacturers?

jky
I remember reading it somewhere but can't find it now. It was definitely one of the big boys - makes sense as loads of money is needed for mass production of something like this.


At it's launch at the Southampton boat show the Yellowfin was on the Finning stand - who happen to be the main Caterpillar agent in the UK - maybe just a coincidence???

http://www.finning.co.uk/default.asp
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