Re: [DML] Angle Drive
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Re: [DML] Angle Drive

The gear teeth in a Smith's Industries drive are very small and do not mesh deeply at all. Combined with the natural tendency to bind because they are rotating into each other, it is a recipe for failure. The brass bushing that holds the spindle gear is also liable to wear oblong, further exacerbating alignment problems (usually on the vertical axis). Altogether it is a very unfortunate design. 

Every time angle drive deficiencies are mentioned, some owner pipes up with a "my angle drive is fine after 500,000 miles" story, as if that one instance is supposed to invalidate the legions of owners who have suffered repeated angle drive failures. Shear numbers speak louder. The vast majority of DeLorean owners have suffered angle drive failures, usually multiple times. It is a badly designed part that suffers premature failure -- period. 

Bill Robertson

>--- In dmcnews@xxxxxxxxxxxxxxx, "John Hervey" <john@...> wrote:
> The angle drive I'm making if you saw the image is about twice the size of
> the Smith which means the gears won't have one foot in the grave and the
> other on a banana peel. I'm not making the same old thing with the same old
> problems. The angle drive should never be considered something to worry
> about as far as I am concerned. 
> I asked the factory what the MTBF ( Mean time between failure )is and he
> told me about 1% over 100 units in 1 year. Naturally the cables need to be
> clean, recommended the shorter cable and oiled and clean every now and then.
> I am having a special grease put in them so the grease plug is not to be
> used.  
> John Hervey


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