[T3] Type 3 speedos

[Dave Hall]

We rarely had the trip odo here - I don't know whether that means we kept
the stronger set-up, but I've not heard of frequent failures here in the UK.
I've a couple of speedos with trip, but haven't bothered to fit them.

Dave.
UK VW Type 3&4 Club
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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: 02 July 2012 02:13
To: type3 at vwtype3.org
Subject: [T3] Type 3 speedos

After Bobnotch's Type 34 speedo died on the way to Co. Springs, someone gave
him a Beetle speedo of the same vintage in the hope that parts from it could
be used to repair Wolfie's speedo. The input shaft from that Beetle speedo
turned out to be a perfect replacement, but I was surprised to find that it
was quite different from the ones from '71 and later that I usually deal
with.

Today, while trying to clean things up around here a bit, I parted out a '70
speedo and found that it also had the same early style of input shaft. This
was a very late '70, actually dated 9/70, but it didn't have the trip
odometer, so it was actually a '70 and not a '71, in spite of the date.

In the process of saving what I could out of it, I discovered that it had
some features that were different from the '71 and later versions that I
often repair. I'd never been asked to repair one of the early ones and now I
know why: They are much better made than the later ones. When VDO added the
trip odometer in '71 they also cheapened up part of the odometer drive. The
result of this is that the late design often fails and I get to fix it. If
VDO had stuck with the heavier duty part the later odometers would never
fail. 

I had always assumed that the design I was used to seeing had been in use
for a long time. Turns out that it was just a cheapening of the product
introduced in '71.

That's sort of a disappointment, but at least I have a good way to fix them.

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

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