Lotus Elan

Triumph steering column

PostPost by: Elseezed » Mon Nov 21, 2016 11:54 am

Spoke to Moto-Lita to confirm the column on my early +2 is a Triumph column. The boss that fits their steering wheel is a B20.
image.jpeg and
Triumph steering column


Les
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PostPost by: ncm » Mon Nov 21, 2016 12:29 pm

The early plus two used a ford based non collapsable column which your photo appears to show.The Triumph based column should have two stalks for lights and indicators, the Ford uses just one.
Brian.
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PostPost by: Elseezed » Mon Nov 21, 2016 8:54 pm

Brian, my column is indeed non collapsible with one indicator/horn stalk. Am I then correct to say the Ford and Triumph columns are both 36 splines with a 5/8" spline diameter?
Les
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PostPost by: ncm » Tue Nov 22, 2016 12:23 pm

Les,unless somebody else comes up with the answer to that I'll have a look through the junk in my garage later on this week...somewhere there is a Triumph column....

Brian.
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PostPost by: Elan45 » Tue Nov 22, 2016 1:47 pm

I'd have to dig one out and measure it, but I am pretty sure the Triumph based column is 9/16" diam.

Roger
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'58 Eleven S2 (ex-works)
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PostPost by: Craven » Tue Nov 22, 2016 7:54 pm

Hi,
Triumph used this column ( top ) in later models, it has a larger top portion at 7/8 inch with a 3 / 4 lower, also has larger steering wheel spline at 3 / 4 x 48 against the 5/8 x 36 of an Elan wheel. Likely increase in top section diameter to accommodate steering lock.
FWIW
Ron.
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PostPost by: bitsobrits » Wed Nov 23, 2016 12:28 am

Drawing I did to have some quick disconnect adaptors made up for my 2 seater Elans:
Attachments
lotus-steering-column.jpg and
Steve

Elan S1 1963-Bourne bodied
Elan S3 1967 FHC pre airflow

Formerly:
Elan S1 1964
Elan S3 1966 FHC pre airflow
Elan S3 1967 FHC airflow
Elan S4 1969 FHC
Europa S2 1970
Esprit S2 1979
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PostPost by: ncm » Wed Nov 23, 2016 5:39 pm

Les, my Triumph column measured up at 15.625mm and has 36 splines.As Ron has illustrated above, the late 1500 spitfire uses a different upper column (and Dolomite style column stalks)see http://www.rimmerbros.co.uk/Item--i-GRID005793 .
Brian.
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PostPost by: Craven » Wed Nov 23, 2016 8:23 pm

Hi Les,
Probably water under the bridge now, but this is a pic of a boss from to Moto-Lita wheel once fitted to a 1967 Elan. Column size 5/8 inch X 36 spline. Only identifier, hopes you can make it out, is the 29 on underside.
Ron.
p1030137.jpg and
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PostPost by: Elseezed » Wed Nov 23, 2016 10:35 pm

The plan is to go to Moss Europe, 15% sale at moment to buy Moto-Lita steering wheel and boss. I spoke to them and if the boss does not fit I can get a full refund. Tried a steering wheel from my brothers Piper P2 which has a Triumph column/rack, his wheel fitted perfectly. Will update Friday.
Thanks again, Les
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PostPost by: Elseezed » Fri Nov 25, 2016 5:22 pm

Just an update. Went to Moss, bought the steering wheel and the B20 boss fits just as Moto-Lita said, just need to change the Triumph badge to Lotus. Next task is refit the dash.
Thanks again, Les
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