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On Sep 9, 3:47 am, [email protected] (Tom Keats) wrote:
> In article <[email protected]>,
> [email protected] writes:
>
> > Dear Artemisia,
>
> > I suspect that rider would go much faster up Fargo Street if he simply
> > walked up it, pushing his bike, with the same amount of effort--he's
> > heaving with all his might with every pedal stroke, barely able to
> > keep the pedals moving past the dead spots.
>
> ^^^^^^^^^^
>
> What causes those "dead spots" anyways?
>
> Is it physiological, or mechanical, or both,
> or neither?
>
> If (the legs of) a rider going up a steep grade
> experiences dead spots, it occurs to me that the
> drivers on a steam locomotive going up a steep
> grade might also experience similar dead spots.
>
> Anyways, I rather dislike those dead spots.
>
> cheers,
> Tom
>
> --
> Nothing is safe from me.
> I'm really at:
> tkeats curlicue vcn dot bc dot ca
Dear Tom,
Utterly off topic, but you mentioned locomotives and dead spots . . .
So here's a post about an 1894 steam-powered bicycle with a locomotive-
style transmission, complete with movie of a reconstruction chugging
along:
http://groups.google.com/group/rec.bicycles.tech/msg/2588df400d5ced14
Ch-ch-ch-cheers,
Carl Fogel
> In article <[email protected]>,
> [email protected] writes:
>
> > Dear Artemisia,
>
> > I suspect that rider would go much faster up Fargo Street if he simply
> > walked up it, pushing his bike, with the same amount of effort--he's
> > heaving with all his might with every pedal stroke, barely able to
> > keep the pedals moving past the dead spots.
>
> ^^^^^^^^^^
>
> What causes those "dead spots" anyways?
>
> Is it physiological, or mechanical, or both,
> or neither?
>
> If (the legs of) a rider going up a steep grade
> experiences dead spots, it occurs to me that the
> drivers on a steam locomotive going up a steep
> grade might also experience similar dead spots.
>
> Anyways, I rather dislike those dead spots.
>
> cheers,
> Tom
>
> --
> Nothing is safe from me.
> I'm really at:
> tkeats curlicue vcn dot bc dot ca
Dear Tom,
Utterly off topic, but you mentioned locomotives and dead spots . . .
So here's a post about an 1894 steam-powered bicycle with a locomotive-
style transmission, complete with movie of a reconstruction chugging
along:
http://groups.google.com/group/rec.bicycles.tech/msg/2588df400d5ced14
Ch-ch-ch-cheers,
Carl Fogel