Lotus Elan

Elan S3 Speedometer design

PostPost by: lotslow » Fri Apr 22, 2011 11:22 am

Do anyone know whether the Elan S3 Speedometer ever was offered with a Km/h dial instead of miles?
Photos?

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PostPost by: Mazzini » Fri Apr 22, 2011 12:22 pm

Yes, I believe they were as they were sold in the European market.

I think there are photos in the Brookland road test books, but not sure how well they'll scan, the reprints aren't great quality.
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PostPost by: msd1107 » Fri Apr 22, 2011 6:57 pm

The Lotus part number for S1-S3SS KPH speedometers is 036M6103 (MPH speedometer is 036M6101). The Smiths number for the MPH speedometer is 6136/00A 1000. I do not have a KPH speedometer on hand to get the Smiths number.

I do not remember an early KPH speedometer coming up on eBay.

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PostPost by: lotslow » Sun Apr 24, 2011 9:39 pm

Thanks all for answering.
I never have seen a KPH Speedo. May be that Lotus had a Number for a KPH Speedometer, but did they produce these?

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PostPost by: Mazzini » Mon Apr 25, 2011 11:56 am

I'd almost forgotten about this, but twenty-five years ago I was at a well known Lotus parts specialist in Ruislip, West London, I'm sure he had acquired the factory stocks of metric Elan and Europa instruments. I think some went to Mick Miller, it's a very long shot, but perhaps Sue has some left gathering dust.
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PostPost by: freddy22112211 » Tue Apr 26, 2011 6:27 pm

Sprint KPH Speedo, poor pic!
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PostPost by: msd1107 » Tue Apr 26, 2011 7:01 pm

Gordon,

What is the Smiths part number that should be in small letters somewhere on the front?

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PostPost by: elanfan1 » Tue Apr 26, 2011 9:24 pm

According to info I have from 1968 these numbers apply:

Elan: SN6207/08 140mph and 980 (indicating revs per mile??) on the edge
Lotus part no is indicated as 36M6122

SN6207/09 220kmh and 587.5 on the edge with lotus part no. 36M6133
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PostPost by: freddy22112211 » Wed Apr 27, 2011 7:07 am

Sorry David, don't have the car any more! But ElanFan1 has answered. There are presumably others who could answer as well!
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PostPost by: msd1107 » Wed Apr 27, 2011 4:09 pm

Well, we have 3 of 4 Smiths part numbers now.

SN6136/00A 1000 is the MPH version for S1-S3.
SN6207/08 980 is the MPH version for S4 and later.
SN6207/09 587.5 is the KPH version for S4 and later.

We need the KPH part number for the S1-S3 which is probably close to SN6136/01A 587.5 or SN6136/00B 587.5 or something similar. Does anybody know for sure?

Note that the Europa had a speedometer with a 960 turns/mile figure.

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PostPost by: Elan45 » Thu Apr 28, 2011 12:53 pm

The S1-S2-Coupe parts book lists the KPH speedo as SM6136/01. This is one line below the MPH version as SN6136/00. I would assume the SM is a misprint, as SN is the prefix for those style of speedos.

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