I want to create a little hydraulic fluid reservoir (for steering onmy boat, not brakes or anything like that) which will connect into a6mm copper pipe.I can find 6mm compression Tees, elbows etc, but how do I make theconenction into the reservoir? I can't find anything like a 6mm tankconnector.

Do you need too big a reservoir to use a brake fluid reservoir for a car or lorry which comes with an outlet and add a union designed for 6mm brake pipe?

Rather low capacity by itself? OTOH I had been a bit bothered about monitoring the level so perhaps one of those alongside a coil of copper pipe as can be bought or DIY'd a translucent plastic reservoir tucked away behind the wheel (binnacle?) - perhaps hidden with a bit of brass plate - wd be a lot cheaper (and easier to polish)

How to connect a 6mm copper pipe to a tank

Aug 24, 2022 Last reply: 3 years ago 22 Replies

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Robin 3 years ago

Rather low capacity by itself? OTOH I had been a bit bothered about monitoring the level so perhaps one of those alongside a coil of copper pipe as can be bought or DIY'd

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OTOH a translucent plastic reservoir tucked away behind the wheel (binnacle?) - perhaps hidden with a bit of brass plate - wd be a lot cheaper (and easier to polish)

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Chris Green 3 years ago

Thanks Thomas, that looks like a good lead.

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Thomas Prufer 3 years ago

Possibly "Universal Motorcycle Brake Fluid Reservoir Clutch Tank Oil Fluid Cup" is better, a small aluminum cup with lid and tube with hose barb. Five pounds...

Or even: "Universal Aluminum Alloy Reservoir Oil Catch Can" which seems to be a breather filter, inlet, outlet, and drain, and sight glass, under ten pounds, many in a range of anodized colors.

I had forgotten the sheer range of stuff on aliexpress.

Thomas Prufer

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