[DeTomaso] fuel gauge

[Göran Malmberg]

Would`nt be a good idea using a digital unit on wire so we could set the
needle of the gauge according to filling the tank? Maybe for ALL gauges,
the temp unit is well known for beeing a big error. Great item to be used
in EVERY Pantera.
Goran


----- Original Message ----- 
From: <JDeRyke at aol.com>
To: <unlisted-recipients:>; <no To-header on input>
Cc: <detomaso at realbig.com>
Sent: Monday, December 01, 2008 9:14 AM
Subject: Re: [DeTomaso] fuel gauge


> When Bill Taylor and I looked into fuel senders a while ago, we found that
> the potentiometer section of an Alfa Romeo sender was variably wound- the
> spacing between the wires was different on top than in the  middle. In all
> the
> Pantera senders (there are at least three different ones '71-75), the
> identical-looking potentiometer's wire spacing is very regular. So we
> concluded that an
> Alfa potentiometer adapted into a Pantera sender assembly would likely
> give weird
> results, or at least some calibration difficulty in the tall, oddly-shaped
> Pantera tank. Alfa tanks are low and wide.
> On the low-fuel warning light part of the sender, its a 1/2" long copper
> contact attached to the float arm part of the sender, that makes separate
> contact
> with a piece on the bottom of the potentiometer to complete its circuit
> and
> turn on a light. This is identical in both the Pantera and Alfa senders.
> I'm at
> a loss as to how this could turn on "early" as the float in any sender
> must be
> nearly at the bottom of its swing before the short contact will reach
> ground.
> Good luck- J DeRyke
>
>
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