| |  | Volvo IPS - CMD Zeus |  | | |
08-13-2008, 11:55 AM
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#31 | | YF Moderator
Join Date: Jul 2004 Location: Sweden
Posts: 3,663
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From what I was told, the center drive needs some kind of tunnel modification of the hull. All IPS drives can use an insert to facilitate the installation.
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08-13-2008, 12:31 PM
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#32 | | Publisher/Admin
Join Date: Dec 2002 Location: South Florida
Posts: 13,257
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That's correct Lars. Here's a pic of that triple IPS mold insert during the fairing process...
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08-13-2008, 12:32 PM
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#33 | | Publisher/Admin
Join Date: Dec 2002 Location: South Florida
Posts: 13,257
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And here's a pic of the triple-IPS installation...
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08-13-2008, 05:15 PM
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#34 | | Registered User
Join Date: Jul 2008 Location: Virginia
Posts: 31
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Still no singles however Alpina. It just does not work out well (no redundancy, not the right ratios and props, too low of a speed range).
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08-13-2008, 07:02 PM
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#35 | | Registered User
Join Date: Aug 2008 Location: Gothenburg, Sweden
Posts: 14
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So what about the Zeus-system? To late, to little and much to underperforming or what?
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08-13-2008, 07:46 PM
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#36 | | senior member
Join Date: Mar 2004 Location: Baltimore
Posts: 264
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Marquis has the 50 Sport Coupe with Triple IPS as well as the Tiara 58 Sovran. Both with Triple Volvo IPS 600 435hp per engine but with the IPS drives they say it is equivalent to a shaft drive 600hp engine.
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Lionel
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08-13-2008, 08:27 PM
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#37 | | Publisher/Admin
Join Date: Dec 2002 Location: South Florida
Posts: 13,257
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I can't comment on the Zeus system, I haven't used it. However I have used the IPS system in various boats, ranging from 25 foot day boats to the LSX. It makes no difference to me whether someone thinks the Zeus is better, as a propulsion engineer, I believe the IPS is a better system. And frankly, I have no interest in being a guinea pig for Mercury, as many of us have over the years.
Volvo-Penta is one, if not THE, most innovative company in marine propulsion history. They originated the I/O drive, the duo-prop system and most recently, the pod drive for the consumer market. From what I've seen, the people at Volvo are conservative and careful. They are more concerned with building a great product, then improving their bottom line. As someone who has developed products specific to this field, I tend to support companies that originate ideas, not those that duplicate and claim.
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08-13-2008, 09:00 PM
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#38 | | Senior Member
Join Date: Mar 2008 Location: Long Island, NY
Posts: 3,785
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I don't have any experience on Zeus, but I do have a fair amount on Axius and IPS. My comment to YF is ditto.
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"Some went down to the sea in ships." | |
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08-14-2008, 05:44 AM
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#39 | | senior member
Join Date: Mar 2004 Location: Baltimore
Posts: 264
| Quote: | Originally Posted by lwrandall Marquis has the 50 Sport Coupe with Triple IPS as well as the Tiara 58 Sovran. Both with Triple Volvo IPS 600 435hp per engine but with the IPS drives they say it is equivalent to a shaft drive 600hp engine. |
I forgot the Silverton Ovation 52 has triple IPS drives as well.
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Lionel
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08-14-2008, 07:13 AM
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#40 | | Registered User
Join Date: Aug 2008 Location: central us
Posts: 19
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the zeus drive in our Cobalt 46 ft yacht handles excellent. very tight turn radius. the yacht is very heavy for its class, but it performs excellent.
we are using twin 475hp cummins . zero to plane is 13 secends, 15 seconds to plane with 850lbs weight on transom (pwc). top-speed is at 39 mph.
i will try to scan some pictures
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08-14-2008, 07:33 AM
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#41 | | Senior Member
Join Date: Mar 2008 Location: Long Island, NY
Posts: 3,785
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It looks like there are (2) players in this game. Since Volvo has market share it would behoove Cummings to do a head to head competition on matched boats showing the difference in speed, time to plane, turning radius, fuel consumption and finishing off with catastrophic strike. Until then people will just assume (right or wrong) that the most popular is the better.
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"Some went down to the sea in ships." | |
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08-15-2008, 02:30 AM
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#42 | | Senior Member
Join Date: Aug 2006 Location: Frankfurt
Posts: 110
| compared by Zeuss
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In theory, theory corresponds to practice. In practice not.
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08-15-2008, 10:38 AM
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#43 | | Registered User
Join Date: Aug 2008 Location: Gothenburg, Sweden
Posts: 14
| Quote: | Originally Posted by Ju52 |
Some of the points mentioned are just bananas, almost childish...
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08-15-2008, 05:44 PM
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#44 | | Senior Member
Join Date: Jul 2007 Location: Guernsey/Antigua
Posts: 804
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Just a quick aside but if you look at the photo of the triple IPS installation shown above, those transom anodes from Volvo are Aluminum and not Zinc.
They crumble like hell, Volvo have modified them but why not just make them in Zinc? 
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Fish happens!
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08-16-2008, 01:03 PM
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#45 | | Senior Member
Join Date: May 2004 Location: USA
Posts: 110
| Cobalt 46 with Zeus? Milwaukee?
Wolf - Was that the same 46 that was in Milwaukee having the Zeus drives replaced under warranty?
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