Ferrari Mailing List: Re: F1 Tachs

[LS (lashdeep]

Most likely chronometric...takes the avg over a pre-specified time interval.

Some really old cars which run a lead off of the distributor show erratic 
behavior as normal, but considering the car's specification, it's prob 
chronometric.

LS



----- Original Message ----
From: LarryT <l02turner [at] comcast.net>
To: LS <lashdeep [at] yahoo.com>
Cc: The FerrariList <ferrari [at] ferrarilist.com>
Sent: Tuesday, November 18, 2008 9:29:33 AM
Subject: [Ferrari] F1 Tachs

    Was watching a 70s-80s Montecarlo F1 race and their in-car camera with the 
F1 tachometers in screen they  seem to have delayed movements -- also,  they 
seem to bounce several 1000 rpm's in a very jerky motion. Seems like some 
historic cars from 30s do the same.

    Is this the way the tachs are wired?  Or is the sensor erratic - although 
that seems unlikely. \\

    Just curious -  thx

Sincerely,
Larry T  (74 911, 91 300D 2.5T)
www.youroil.net Oil Analysis Kits &
Porsche Posters/Weber parts
.
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