Lotus Elan

1969 Elan S4 Tandem Master Brake Cylinder Question

PostPost by: Certified Lotus » Tue Nov 10, 2015 11:43 pm

Phil, nice to know that you've been storing parts for me all these years :mrgreen: Hope I can repay you one day!
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PostPost by: pharriso » Wed Nov 11, 2015 12:41 pm

Glen, here is what I have:

IMG_3609.JPG and

IMG_3612.JPG and

IMG_3610.JPG and

IMG_3611.JPG and


As you can see there is some surface rust on the top edge. What I did on my renovated unit (from Terry P) was sand blast then zinc coat. It's only been a year but it still looks like new.

I'll send a PM
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PostPost by: Certified Lotus » Thu Nov 12, 2015 11:41 am

Exactly what I am looking for Phil. PM responded to. Thanks once again for having a part I need !
Glen
05 Elise - Back where I started
65 Elan S2 - 26/4055
72 Europa - 74/2358R
69 Elan S4 - 45/7941
64 Elan S1 - 26/0379
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PostPost by: oldchieft » Thu Nov 12, 2015 1:16 pm

Just a thought, I this day and age a cylinder with a male thread one end and female thread the other can be 3D printed?

If it was done in translucent plastic it would have a visible fluid level. I would bet Certified Lotus would have contacts that would know how.

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PostPost by: Certified Lotus » Thu Nov 12, 2015 1:43 pm

Jon, your reading my mind. I needed an exact sample to scan ;-)
Glen
05 Elise - Back where I started
65 Elan S2 - 26/4055
72 Europa - 74/2358R
69 Elan S4 - 45/7941
64 Elan S1 - 26/0379
12 Colin 30 - Lotus Racing Kart
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PostPost by: oldchieft » Thu Nov 12, 2015 2:09 pm

Wow!

That's a bit spooky!

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PostPost by: Sandals man » Mon Nov 16, 2015 4:29 pm

Hello everybody,here the sandals man from holland.My federal elan chassis 8859 has also the tandem brake cylinder with this sofi system.Does anybody know how I can remove the fluid reservoir from the steel cylinder.I removed the 2 srews but I can not get it out.Must I use more power?
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PostPost by: gjz30075 » Mon Nov 16, 2015 6:51 pm

Yes. It's a snap fit into the master cylinder and will require some prying.
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PostPost by: nmauduit » Tue Nov 17, 2015 1:42 pm

there is a ring clip inside the front hole of the tandem master cylinder, holding the plastic tank on; I sort of remember having seen a manual stating that for removal one should turn it 45? and pop if off, but I found it rather hard (the plastic tank is 50 years old and getting just like myself, not as flexible as I used to be). Then I found a rubber gasket sealing the front feed to the master cylinder, probably cylindrical (or what was left of it), something that was not in rebuilt kits I've seen so far... it's a non pressure gasket, yet if leaking you empty out the whole thing. The front tank feed has a conical fit to the master cylinder, but if there is some play (and the tank plus sovy make for quite a lever to hit over the years) that may not be sufficient to ensure sealing... For a tighter hold I've added a rislan tie around, clamping down the plastic tank onto the master cylinder.
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PostPost by: mariodschy » Wed Nov 18, 2015 1:13 pm

gjz30075 wrote:Yes. It's a snap fit into the master cylinder and will require some prying.


Here is a picture, i am also looking for a metal canister if anyone has one to much please let me know...
Attachments
img_6747.jpg and
I fixed it with a o-ring, an cuted the platic
img_5996.jpg and
Removing the tank was a very hard job
- 1972 Lotus Elan Sprint LHD/DHC
- 1962 Austin Healey Sprite MK II - Sold 09.05.2016

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PostPost by: nono17120 » Wed Nov 18, 2015 8:21 pm

nmauduit wrote:I don't know if the cork is original, if it is it is enclosed in an aluminum tube on mine :

sovy top.jpg


tu utilises du silicone ?
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PostPost by: nmauduit » Wed Nov 18, 2015 9:32 pm

nono17120 wrote:
nmauduit wrote:I don't know if the cork is original, if it is it is enclosed in an aluminum tube on mine :

sovy top.jpg


tu utilises du silicone ?


yes, Dot 5 Automec (260?C boiling temperature)
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PostPost by: umbyfer » Tue Nov 08, 2016 8:49 pm

Hello, really interesting that topic! In my Sprint Federal there is the warning light brake fail on the dash, but the sovie device with red cap is not present. It was removed from previous owners. If anyone of you is able to help me to find one I appreciate a lot. Thank you.
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PostPost by: nmauduit » Tue Nov 08, 2016 10:09 pm

umbyfer wrote:Hello, really interesting that topic! In my Sprint Federal there is the warning light brake fail on the dash, but the sovie device with red cap is not present. It was removed from previous owners. If anyone of you is able to help me to find one I appreciate a lot. Thank you.


if you're only missing the red cap with contacts, you can make one up by shortening the tube of a Jaguar E type sovy white cap... as for the reservoir tin extension if you're missing that also, I've seen some alloy replacements that had been machined, though they do not come by very often. It's a no pressure part, but that still needs to hold the fluid.

I'd be happy to find a decent tin reservoir myself...
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PostPost by: Certified Lotus » Tue Nov 08, 2016 10:30 pm

RD enterprises sells a reproduction of the cap for $61 US. A real deal from my perspective. I have an original plus the can that I bought as a spare after finding out how difficult they are to find. Let me know if your interested, it's more expensive than RD but I'll sell for what I paid for it.
Glen
05 Elise - Back where I started
65 Elan S2 - 26/4055
72 Europa - 74/2358R
69 Elan S4 - 45/7941
64 Elan S1 - 26/0379
12 Colin 30 - Lotus Racing Kart
07 Exige S - Wicked Road/Track Car
07 Exige S - Fast Road/Track Car
06 Elise - Track pack
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