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Red fluid fuel gauge, where to buy?
Letter to the editor
In my fuel gauge, there should be some red fluid. I believe it is called Muthmann's liquid, or C2H2Br4.
Can anyone tell me where I can buy or order this fluid in Europe? Thanks.
Pubblicato:
mercoledì agosto 28th, 2024
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Commenti
Alexander Stolpmann
13 Settembre 2024, 21:23
Fred Veenschoten
30 Agosto 2024, 14:20
Can anyone tell me how the fuel gauge worked? How was it connected to the tank to detect fuel level?
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Nick Simpson
02 Settembre 2024, 13:20
The glass pipe is connected to an open-ended ‘U’ tube behind the gauge; this retains the red fluid in the gauge. The ‘U’ tube is connected to the fuel tank with a small-diameter brass air tube. There must be no leaks anywhere along this tube or its connections. The ‘tank-unit’ contains a series of plates with drillings that senses the movement of the fuel when the car is driving. This movement is converted into a minute air pressure that transmits along the tube to the gauge and moves the red fluid up or down the ‘U’ tube to give a reading on the scale. The red fluid may be calibrated by 1) having a verified quantity of fuel in the tank and 2) pieces of fuse-wire may be added or removed from the ‘U’ tube for fine adjustment.
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Sheldon Bardin
31 Agosto 2024, 17:27
Renners Corner in Michigan has the fluid, too.
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William E. Barlik
29 Agosto 2024, 13:58
There is a website called straight-eight.com for Duesenberg parts, based in Michigan. It lists red fluid for Hobson and King-Seeley. Telephone: 1-248-362-0113.
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Oldtimerservice Kranz
28 Agosto 2024, 13:59
Names
Preferred IUPAC name:
1,1,2,2-Tetrabromoethane[3]
Other names:
Acetylene tetrabromide[1]
Muthmann's liquid[2]
Tetrabromoacetylene[1]
Symmetrical tetrabromoethane[1]
Good luck,
Hubert
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Preferred IUPAC name:
1,1,2,2-Tetrabromoethane[3]
Other names:
Acetylene tetrabromide[1]
Muthmann's liquid[2]
Tetrabromoacetylene[1]
Symmetrical tetrabromoethane[1]
Good luck,
Hubert
Distributors include Merck and Fisher Scientific. I am not sure if you can buy it as a private person, as Tetrabromethane is very toxic. I would advise you not to handle this substance on your own, but have a specialist do it.
An alternative could be sodium polytungstate, short SPT, which is also a heavy liquid with comparable density and is said to be non-toxic and environmentally friendly.
Before you experiment, please ask an expert for advice. It is being produced by TC-Tungsten Compounds.