Re: [DML] Re: Re: Re: DeLorean speedometers: A new approach

[Martin Gutkowski <webmaster@xxxx>]

Jan van de Wouw wrote:

> It's actually two gears, both with 45 degree teeth, that's why you can
> rotate it "the otherway round" too; if it was a pure worm gear it would
> be impossibble to drive the spindle-cable by turning on the output cable.
Aha! - they're called screw gears. Very inefficient and extremely prone 
to failure if not kept lubricated.... Why has nobody redesigned the 
angle drive to use bevel gears? They'd be much more tolerant and reliable

> I can't find the old drive here, so I can't check the ratio,
> but I don't think it's 1:1...
I have a feeling that screw gears do not work unless the ratio's 1:1 but 
I am not sure

Martin

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