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08-19-2009 03:18 PM
Volvo 200 series - Bravo . . . . which came first
Volvo E Drive - Merc speedmaster . . . . which came first
Volvo DPX - Merc Blackhawk . . . .which came first
Volvo DuoProp - Merc Bravo III . . . . which came first
Volvo IPS - Merc Zues (or whatever it is) . . . . which came first
Not that theres any similarities between any of those productsThrottles- Cleveland Construction/Traffic Light Racing 377 Talon cat
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08-19-2009 03:21 PM
Between the SSM 3's 4's and 5's is it the case length that differentiates them?
Last edited by glassdave; 08-19-2009 at 05:03 PM.
Throttles- Cleveland Construction/Traffic Light Racing 377 Talon cat
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08-19-2009 03:27 PM
The dry sump concept obviously came from Weismann funded by the Victory team. The 6 drive application of the concept (internal pump, etc) was developed by Mercury (Weismann reportedly did some consulting work but Fred K says they had little involvement in the ultimate engineering and technique).
The Swept Skeg is a tough one. Hering did some modified skegs on the early 6's. However Hering was originally a Mercury employee and learned much of his propeller blade and hydrodynamic concepts at Mercury racing, but prior to that he was champion OB hydro racer and probably brought a lot of tricks to Mercury as well...this certainly muddies the water IMHO.
T2xAllergic to Nonsense
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08-19-2009 03:47 PM
Tom Gentry dry sumped the #4 years before anyone else had even thought of doing it. In fact he dry sumped everything he could in the power train years before others.
Team Victory ran the #6's with no oil in the drive units for qualifying then Pat dry sumped the drive.
Skeg. Jerry G. takes credit for that along with a lot more.
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08-19-2009 03:57 PMNot that I'm aware of. The #5 upper and lowers are completely different. The prop is 6 inches higher and the blades stick up above where the #3 cavitation plate would normally be.. The #5 upper is kinda like having the nose of a #3 sawed off!
Here are links to both drives;
III - http://www.blystone.com/Mercury%20Pa...acingdrive.pdf
V - http://www.blystone.com/Mercury%20Pa...acingdrive.pdfLast edited by Geronimo36; 08-19-2009 at 04:10 PM. Reason: add links
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08-19-2009 05:29 PM
Is the #4 like 3" up? Daredevil has one on his boat right? What's up with it?
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08-19-2009 07:14 PM
Where are the trim cylinders on the #6 drives? Are the steering cylinders dual acting as steering AND trim cylinders or are the trim rams under the drive somewhere?
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08-19-2009 07:44 PM
great thread.....
Hi, Im Dave.. Welcome, glad to have ya.....
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08-19-2009 07:49 PM
What is the Merc #7 drive? I've seen it listed on their site.
Throttles- Cleveland Construction/Traffic Light Racing 377 Talon cat