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#354936 01/01/2008 3:28 PM
Joined: Apr 2002
Posts: 146
K
Wrench Fetcher
Wrench Fetcher
K Offline
Joined: Apr 2002
Posts: 146
Does someone know the max pressure in the braking system? I'm working on some custom parts and need the value for the design.


if it dosen't need fixed, break it
kedso #354941 01/01/2008 3:46 PM
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G
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G Offline
Joined: May 2005
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Disc or drum?

kedso #354943 01/01/2008 3:49 PM
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F
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The information you are seeking can be found on the following sites:

http://www.ecihotrodbrakes.com

http://www.mpbrakes.com


Dave


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Joined: May 2005
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G
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G Offline
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This is a good article on disc brakes, but they don't give the magic number you are looking for.
http://www.4wheeloffroad.com/techarticles/drivetrain/131_0708_4x4_disc_brakes/index.html

This company has great info in the FAQ section, and also on their own forums. I have purchased stuff from them, with great results and excellent service.
http://www.hydratechbraking.com/

From: http://www.inlinetube.com/
"Disc brakes require about 1000 lbs. of pressure and the drums use about 300 lbs"

That still does not give you a design value, as you need a factor of safety and an absolute max pressure, not a "requires about..."

Grigg

Last edited by Grigg; 01/01/2008 4:18 PM.
Grigg #354979 01/01/2008 5:40 PM
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G Offline
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If it helps, the McMaster Carr catalog gives the max pressures for regular steel brake line as 6,000 psi for 3/16" and 4,500 psi for 1/4". I don't know if this is max working pressure with what factor of safety, or burst pressure, but it may get you in the ball park so to speak.

What are you planning to do?

Grigg


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
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Grigg #354985 01/01/2008 5:52 PM
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D
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Here's a tool we use to check brake press.


http://buy1.snapon.com/catalog/item...2&store=snapon-store&dir=catalog

Hope this helps - Doug


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