Man, this is a cunundrum(sp?) wrapped in a riddle. On
my bike the tolerance for error is exceptionally low.
The magnet and sensor must be withing .5mm or it just
simply doesn't work. The answer to this will be
interesting to hear.
Ron
--- Daniel Neuman <dneuman@stars.sfsu.edu> wrote:
> Hello All,
>
> Don't know if my post about putting a bike
> speedometer in a car
> went thru the other day but here is what I found
> out.
> Me being sick of not knowing exactly how fast I was
> going or what time
> it is. 110 indicated MPH is a little bit
> ridiculous. For a long time MC
> riders have been using wired bike comp. to tell them
> the speed. (and time)
> I went by a bike shop yesterday and looked at the
> selection. I ahve
> a specialized wireless on my bicycle and really like
> it. But I know that you
> can not use wireless on a MC or car (too much
> interference). There are a lot
> of models some expensive +50 bucks with lots of
> features that you don't
> need on a car.. heart monitor, cadence, etc. The
> best, and cheapest models are
> made by a company called Sigma. I bought two of
> there low end models. It
> indicates speed up to 184MPH with an accuracy of .1
> MPH. It has a tripmeter
> and a clock..Its a small black rounded rectangle
> about 2 by 1.5 inches.. It
> only cost 12.99.
> It measures speed by sensing the field of a magnet
> that you attach to
> a wheel. You program in your circumfrence and it
> calculates the speed from
> there. So, I guess as long as your circumfrence does
> not change much the
> reading will be accurate.
> Now I jsut gotta find a place to mount it. The
> tolerances between the
> magnet and the sender are very small. ~5mm. I need
> to mount it somewhere
> where that can happen and somewhere that will not
> get very hot. Any
> suggestions?? I will have to lengthen the wire from
> the sender to the
> computer but hopefully enough signal will get thru.
>
> Daniel 69 2000
>
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