SD Tank

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seagull101
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Joined: Mon Jan 23, 2017 10:30 pm
Location: Scottish islands

SD Tank

Post by seagull101 »

Hi everyone,

I'm after a steel SD fuel tank, also need a bayonet cap.

Cheers, Jacob
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seagull101
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Location: Scottish islands

Re: SD Tank

Post by seagull101 »

Got one now!
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Oyster 49
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Location: Derbyshire, UK

Re: SD Tank

Post by Oyster 49 »

I have one functional new bayonet cap, and one none functional replica left. They are in the U.K. But I'm heading back this week for 2 weeks holiday.

These are made with a new cap made by Ceandess, the original manufacturer, and a new air valve made by myself. £30 for the functional, £25 for the replica. Both look just like the original, polished stainless instead of chrome.
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seagull101
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Location: Scottish islands

Re: SD Tank

Post by seagull101 »

Let me see if the one i just bought is any good!

Will let you know.

Jacob
Saffer Seagulls
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Joined: Wed Oct 31, 2018 10:15 pm
Location: Pretoria

Re: SD Tank

Post by Saffer Seagulls »

SD PARTS

I am in need of the following parts for my SD:
1. The Villiers Magneto rope start pulley and brass nut.
2. Bayonet fuel cap - have the steel tank.
Many Thanks
Dickon
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Oyster 49
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Location: Derbyshire, UK

Re: SD Tank

Post by Oyster 49 »

Bayonet fuel caps can be made. New caps from the original supplier are available, and the valve can be made by a competent Turner with a small lathe. I made a small batch a few years ago.

I made several fully working valves, and also dummy valves, where the cap breathed through a small hole in the diaphragm. The dummy is indistinguishable from the working version.

The Ceandess caps can be bought online.
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Charles uk
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Re: SD Tank

Post by Charles uk »

Are the current Ceandess caps brass or steel?

Those look very nice!
Make it idiot proof and someone will make a better idiot.
Saffer Seagulls
Posts: 8
Joined: Wed Oct 31, 2018 10:15 pm
Location: Pretoria

Re: SD Tank

Post by Saffer Seagulls »

Thanks very much Oyster 49.
The photo's are much appreciated.
1. Do you prehaps have a dimensioned sketch ?
2. I take it that in order to have venting, one would 'loosen' the small knurled nob, does the brass threaded stem have a flat on it ?
3. Do I order from Ceandess - 2" chromed bayonet cap without vent hole ?
Appreciate the assistance
Regards
Dickon
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Charles uk
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Re: SD Tank

Post by Charles uk »

Don't Ceandess call these a Q50?
Make it idiot proof and someone will make a better idiot.
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seagull101
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Re: SD Tank

Post by seagull101 »

Charles uk wrote:Don't Ceandess call these a Q50?
Think so mate
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Oyster 49
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Re: SD Tank

Post by Oyster 49 »

Yes, they are usually available on eBay from classic motorcycle dealers. My 1966 Triumph has one on the oil tank, the petrol tank is larger. The modern ones are steel, the originals were chromed brass.

I’m working abroad so cannot supply a drawing I’m afraid, unless somebody else can, Charles or H-A perhaps.The dummy vent is quicker and easier to make, just drill the diaphragm with a 0.75mm hole to allow the cap to breathe.

This is the part, prices seem to have go up a couple of pounds since I last bought any.
https://rover.ebay.com/rover/0/0/0?mpre ... 2037605498
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