Re: [OMC-Boats] OMC Stringer Generation Naming

ya.  It's because the outdrive is attached to the support "stringers" via the intermediate housing and engine.  It is not attached to the transom like other boats.  There is no weight supported by the transom.  If you'll note (at least on mine), there is no wood or other thickness to the transom.  It's just the thickness of fiberglass and not capable of supporting any kind of weight.
 
-Bill
Dallas, TX
1970 Evinrude Explorer - 155 Buick V6 - OMC Sterndrive
http://www.photobucket.com/evinrude_explorer

--- On Mon, 8/31/09, Justin DeSantis <duc1098desmo@...> wrote:

From: Justin DeSantis <duc1098desmo@...>
Subject: Re: [OMC-Boats] OMC Stringer Generation Naming
To: "Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...mate.com>
Date: Monday, August 31, 2009, 8:31 PM

Did we already cover why they call them "Stringers" to begin with?
I've been wondering that. I think I saw an explanation once, but
didn't read it carefully, and I haven't found it again.

On Mon, Aug 31, 2009 at 8:28 PM, Lee Shuster<lks@...> wrote:
> I've been thinking of breaking down the OMC Stringer Sterndrives in broad
> "GENERATIONS" of families to help make it easier to know what were talking
> about. The recommended lube discussion got me to thinking.
>
> I'm very fuzzy on the 1978 - 1986 (non-electric shift) Stringers. But all
> Stringers share basic design features: Ball gear drive, floating
> intermediate housing, 75-degree power tilt, 120-degree steering, stringer
> mounting that transfers thrust to non-transom structural members of boat
> (stringers).
>
> =======================================================================================================
> From an original OMC BOAT-OWNERS perspective things are pretty simple:  Our
> boats were all Gen-Zero, Gen-I or Gen-II powered.
>
> 1962 - 1965             Gen Zero = Outboard powered (the 1962 - 1968
> high-end OMC-E/J outboards" 40, 75, 90, 100 hp featured available electric
> shift lower units)
>
> 1962 -1968              Gen One =  The 1st OMC 480, 488, and 490 two-stroke,
> "bullet-shaped" split gearcase lower unit. (Also used very sparingly/rarely
> on a few 1964-65 110 hp I-4 Chevy II) Built from Electric Shift,  Type C
> gear case lube.
>
> 1964 - 1973             Gen Two =  The "big brother"  large gearcase,
> one-piece gearcase, 14-inch prop. Used on 120, 150, 155, 165 185, 200, 210,
> 215, 225, 235, 245 GM engines. Four-bolt top caps (shimless) from 1964
> -1967-1/2. Five-bolt from late                          1967 to 1973 used
> shims. Electric Shift,  Type C gear case lube.
>
> 1973 - 1977             Gen Three =  This generation introduced Ford V8
> engines 175, 190 and 235, along with the SelecTrim option on inline GM
> engines. TruCourse steering appeared, as did the shorter profile drive, to
> permit mounting the engine                                    lower.
> Down-firing exhaust rudder. Electric Shift,  Type C gear case lube.
>
> 1978 - 1981             Gen Four = The 400 (120 - 140 )  800 (all V-engines)
>  thru-prop exhaust lower gearcase adapted from outboards, featuring  Visible
> styling changes to exhaust housing. All are "short-leg."  are
> Hydro-assisted-mechanical shift,                                        OMC
> Hi-VIS gear case lube
>
> 1982 - 1986     Gen Five = Similar to Gen Four but without the Hydro-assist.
> OMC Hi-VIS gear case lube
>
> =======================================================================================================
>
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>
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Received on Monday, 31 August 2009