Hello,
Could a 1oz magnet really throw off the balance of a drive shaft??
What if I mounted it to the output flange of the tranny?? Would that
cause a balance problem also?? Have to admit this never occured to me.
Daniel
> regardless if on the wheel or the drive shaft, a dummy weight or another
> magnet (with appropriate circumference adjustment) to keep either one in
> balance. The magnet would weigh approx. 1 oz. minimum, which would throw
> either one way off on balance.
>
> jls '68 2L
>
> -----Original Message-----
> From: Dan Neuman [mailto:dneuman@stars.sfsu.edu]
> Sent: Thursday, June 15, 2000 2:31 AM
> To: VulForge@aol.com; datsun-roadsters@autox.team.net
> Subject: Re: Bike speedometers in the roadster
>
>
> Hi Russ,
> I think the driveshaft is the best idea. I just need to figure out
> how
> to mount the sensor... Hmmmm the driveshaft will move through an angle
> as the rear end moves over bumps... maybe if I put the magnet on the output
> shaft of the transmission. Then I still have to figure out a way to mount
> the
> sender within ~5mm. Oh, a trick a lot of MC guys use is to go to radio shack
>
> abd buy the strongest rare earth magnet possible, this will give a better
> signal and allow a slightly sloppier alignment. Another drawback is, is that
> it
> will probably take two people to do the circumfrence measurement-one to
> watch the wheel and one to watch the drive shaft-since you need to know how
> far forward the car went in one revolution of the drive shaft...maybe I can
> get this done this weekend.
> Daniel 69 2000\
>
> At 11:29 PM -0400 6/14/00, VulForge@aol.com wrote:
> >In a message dated 6/14/00 6:39:59 PM Central Daylight Time,
> >dneuman@stars.sfsu.edu writes:
> >
> ><< 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?? >>
> >
> >How about the driveshaft? That would be the shortest possible point, and
> the
> >circumference won't vary. Of course it will read high when you spin the
> >tires!
> >
> >Russ
> >67 1600
>
>
>
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