Uh you listed mine as off the wall but never mentioned it was ok to
stop..ok??
If you did it was not obvious at the time. You made it sound like you had to
do it dynamically rather than at whatever pace you chose or at least that is
the way it read to me..
Dave
----- Original Message -----
From: "drmayf" <drmayf@mayfco.com>
To: "LSR" <land-speed@autox.team.net>
Sent: Friday, April 25, 2008 3:02 PM
Subject: [Land-speed] The Speedometer Calibraton Question..
> Ya'll know that sometimes I ask things just to get someting started on
> the list. If you didn't know that, now ya do. But this one was a serious
> question. Ya'll remember when you were kids or when you kids played the
> pass it along game? You know, the one where you tell something to the
> first kid and the reapeat it to the next one and so on? Well, this
> question morphed into that game, lol... But new features were added in.
> Like a new kid arriving late and gettingto the middle of it without
> knowing what the game was or why.
>
> The manufacturer of the speedo said to install it. Ok, did that. Now
> find a measured mile. Haven't done that part yet because this is for my
> race car and I sure am not gonna drive those big expensive tires on the
> asphalt nor would I get very far anyway with the noise the car makes.
> The mfg then says, at the zero mark press the calibration button. Drive
> a mile. Press the cal button again. This automatically loads the
> number of pulses the entire system generates in a mile into the memory
> of the speedo. Then, when I drive the car it can calculate the speed.
> This whole idea was to tow the car down the course at the conclusion of
> the drivers meeting, stopping at the 0 mile mark or any of them actually
> and pressing the cal button. Then after a mile stop and press it again.
> That was and is the entire calibration sequence, lol.
>
> I received responses from namless people who had me doing truly wondeful
> things. Using a GPs unit (hey if I had one of those, I wouldn't need the
> speedo, lol), to doing fast fourier transforms of the signals, to taking
> it to a dealer or speedo shop to so really off the wall items... Them
> we wont address...
>
> So if I cannot get permisson to tow the car druing the conclusion of the
> course exam after the driver's meeting, then I will hook up the tow
> truck. get lined up on the return road, press the trip meter reset in
> the truck, press the cal button in the car and tow it for one mile. then
> press the cal button again. All at 20 mph or less. Alternately, I can
> use the GPS laptop I have and let it tell me when one mile has been
> reached. All of these should get me clsoe enough for the speedo cool
> factor to cut in, lol...
>
> So, I thank all who answered me on and off list, because some of the
> methods were a hoot! I will patiently await an official response for the
> BNI folk...
>
>
> mayf
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