John;
You have a good point. The answer is yes-- and no. The human eye can't read
the tach accurately if it's jumping up or down at a fast rate but the eye
(and brain) can very quickly detect that it sees movement. It's the ability
to see that the tach RPM takes a sudden jump upward that lets him know that
his tires are slipping. He won't be able to tell that it was a 727 RPM jump,
though.
Regards, Neil Tucson, AZ
-----Original Message-----
From: landspeedracer [mailto:landspeedracer@msn.com]
Sent: Saturday, December 08, 2001 6:29 AM
To: Albaugh, Neil; land speed list
Subject: Re: Traction & Slipage
Yes, but could the drivers human eye keep up with the tach moving that fast.
Especially if it was digital?
john
----- Original Message -----
From: "Albaugh, Neil" <albaugh_neil@ti.com>
To: "'landspeedracer'" <landspeedracer@msn.com>; "land speed list"
<land-speed@autox.team.net>
Sent: Friday, December 07, 2001 7:06 PM
Subject: RE: Traction & Slipage
> John;
>
> The limiting factor in your tach display was probably the mechanical time
> constant of your tachometer's meter movement-- not its electronics. An
> electonic tach indicator (LED, LCD, CRT, etc) could follow those fast RPM
> jumps but I don't know if anyone makes one (yet).
>
> Regards, Neil Tucson, AZ
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