Military-Vehicles: [MV] RE Brake lines
[MV] RE Brake lines
CHAZ (chaz.mackenzie@virgin.net)
Thu, 07 Aug 1997 22:19:54 +0100
Hi Alan, just for interest I went out and bought a roll of Kunifer
(copper/nickel 90/10)brake pipe and a roll of copper brake pipe
made by a different manufacturer.Both claim to meet BS 2871 part2
and to conform to international brake tubing spec ,the working
pressures are 3200psi and 3100psi .Bursting pressure is 17000psi !!
The " Ate Brake Design, Calculation, Testing " handbook gives the
"Booster run out point" as 840 > 1540 psi .If the system can only supply
about half the working pressure of the pipe that seems fairly safe to me.
I'm not trying to convince you to use copper/nickel rather than steel ,
thats up to you but fit copper/nickel and it's there forever , fit steel
and replace it in a few years due to rust.
CHAZ 42 MB
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