Lotus Elan

Propshaft length and dimesions of UJ

PostPost by: bigvalvehead » Wed Dec 02, 2015 1:19 pm

Hi
Does anyone have a 2 seat Elan propshaft out of the car so they can measure the length between the UJ's please.
Also diameter of the cups and distance to outsides of cross.

cheers
Dave
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PostPost by: patrics » Wed Dec 02, 2015 7:07 pm

Hi Dave
Should be taking engine out over weekend if you can wait

Regards
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PostPost by: billwill » Thu Dec 03, 2015 1:59 am

I put some propshaft photos in a topic long ago, but Alas I should have put a ruler in the picture.

lotus-parts-f33/diff-propshaft-timing-case-original-exhaust-header-t22669.html?hilit=propshaft
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PostPost by: gjz30075 » Thu Dec 03, 2015 9:55 am

billwill wrote:I put some propshaft photos in a topic long ago, but Alas I should have put a ruler in the picture.

lotus-parts-f33/diff-propshaft-timing-case-original-exhaust-header-t22669.html?hilit=propshaft


Perfect! What's the width of a brick? Might be different in UK vs US. :)
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PostPost by: nmauduit » Thu Dec 03, 2015 10:54 am

Hi Dave,

in case it helps (metric I'm afraid, so give or take half a mm) here are some photos of mine, off a '68 s4se :

68-s4-4-speed-driveshaft.jpg and
68 S4 4 speed driveshaft


68-s4-4-speed-driveshaft-length-570.5mm.jpg and
68 S4 4 speed driveshaft length 570.5mm


68-s4-4-speed-driveshaft-ujoint-68.5mm.jpg and
68 S4 4 speed driveshaft Ujoint 68.5mm


68-s4-4-speed-driveshaft-flange-92mm.jpg and
68 S4 4 speed driveshaft flange 92mm


68-s4-4-speed-driveshaft-inner-57mm.jpg and
68 S4 4 speed driveshaft inner 57mm
S4SE 36/8198
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PostPost by: billwill » Thu Dec 03, 2015 1:03 pm

gjz30075 wrote:
billwill wrote:I put some propshaft photos in a topic long ago, but Alas I should have put a ruler in the picture.

lotus-parts-f33/diff-propshaft-timing-case-original-exhaust-header-t22669.html?hilit=propshaft


Perfect! What's the width of a brick? Might be different in UK vs US. :)


Those bricks are 6.2 cm wide. Excluding the mortar between bricks and 21.3 cm long.

2.56 cm per inch. gives 2.34 inches by 8.32 inches long
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PostPost by: RichardHawkins » Thu Dec 03, 2015 6:53 pm

Dave,

I have a prop shaft out of my 1968 S4. If mnauduit has not answered your questions I could take some measurements for you.

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PostPost by: denicholls2 » Fri Dec 04, 2015 3:18 pm

gjz30075 wrote:Perfect! What's the width of a brick? Might be different in UK vs US. :)


Are those metric, english, or whitworth bricks? :) Also, I believe in this orientation it's the brick height/depth that is in question.

I can offer that standard gauge railroad tracks have the same spacing on both sides of the pond, at a nice 4 feet 8 1/2 inches, or 1435 millimeters. Perhaps we should measure up a driveshaft or two in those.

Or, at MIT they favor Smoots...

https://en.wikipedia.org/wiki/Smoot

Sorry 'bout that, it's Friday...
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PostPost by: billwill » Fri Dec 04, 2015 7:14 pm

denicholls2 wrote:
gjz30075 wrote:Perfect! What's the width of a brick? Might be different in UK vs US. :)


Are those metric, english, or whitworth bricks? :)


Dunno about that but they are genuwine ENGINEERING bricks.

Fired in the flames of hell to resist british winters outdoors. :mrgreen:
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PostPost by: Certified Lotus » Sun Dec 06, 2015 11:58 pm

Here is what I can provide. From a 1964 Elan S1.

dsc07168.jpg and

dsc07170.jpg and

dsc07171.jpg and

dsc07172.jpg and

dsc07173.jpg and
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PostPost by: bigvalvehead » Mon Dec 07, 2015 8:36 am

Thanks guys thats perfect
cheers
Dave
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