[T3] T3 6V Fuel Gauge near mint

[Dave Hall]

The similar type Camper ones are longer tubes, and the Type 4 also I
believe, as the tanks are a deeper.  I guess if they use the same nichrome,
the gauge resistance would simply have to be less for full scale deflection.

Looking at nichrome wire gauges and resistances, they are quite a bit
different.  My small reel here (happens to be on my desk awaiting storing)
says 0.081mm. I've a note somewhere saying it's 46 swg 238 ohms/meter.  It's
used in some hot-wire devices apparently - I got it through a craft outlet.
I think 44swg and 48swg have substantially different resistances.  You need
around 110 ohms total, judging from some good ones, and the gauge uses
around half a metre down and back.


Dave
UK VW Type 3&4 Club
===================

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Keith Park
Sent: 03 March 2013 22:10
To: type3 at vwtype3.org
Subject: Re: [T3] T3 6V Fuel Gauge near mint

Jim,
Do you happen to know if VDO used the same resistance wire On ALL their
senders, including ones of this type for other cars, Like longer or shorter
versions of ours?

Keith


Top Notch Restorations
topnotch at nycap.rr.com
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
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-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim Adney
Sent: Sunday, March 03, 2013 3:24 PM
To: type3 at vwtype3.org
Subject: Re: [T3] T3 6V Fuel Gauge near mint

On 3 Mar 2013 at 17:55, Dave Hall wrote:

> If you do decide to open it up, by undoing the small brass nut on the
> bottom, do be very careful with the very fine wire.  It becomes an
> awkward and fiddly repair job if the wire breaks. Even being careful, I
> managed to break one of my spares.  

I now have a supply of replacement resistance wire. So I can replace 
the wire, if necessary, when I rebuild the sender.

-- 
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************

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