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[Roadsters] Brakes Phil Erickson

To: "datsun-roadsters@autox.team.net" <datsun-roadsters@autox.team.net>
Subject: [Roadsters] Brakes Phil Erickson
From: philip erickson via Datsun-roadsters <datsun-roadsters@autox.team.net>
Date: Wed, 2 Sep 2015 03:39:37 +0000 (UTC)
Delivered-to: mharc@autox.team.net
Delivered-to: datsun-roadsters@autox.team.net
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 I tried to send this, but from the wrong email.....so I think it got cut.
It's very difficult to guess on the braking response of a wheel cylinder si=
ze change on a disc / drum set-up.
The response / braking torque to pressure is Linear with disc brakes and sq=
uared or even cubed with drum brakes.=C2=A0 Best to use a proportioning val=
ve on the rear to limit braking torque.
A proportioning valve is miss named as it changes the pressure response to =
pedal travel - which flattens the torque response of the drum brake.
Phil
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<html><body><div style="color:#000; background-color:#fff; font-family:verdana, 
helvetica, sans-serif;font-size:16px"><div dir="ltr">  I tried to send this, 
but from the wrong email.....so I think it got cut.</div><div 
id="yui_3_16_0_1_1441165079861_2847" dir="ltr"><br></div><div 
id="yui_3_16_0_1_1441165079861_2848" dir="ltr">It's very difficult to guess on 
the braking response of a wheel cylinder size change on a disc / drum 
set-up.<br id="yui_3_16_0_1_1441165079861_2849">The
 response / braking torque to pressure is Linear with disc brakes and 
squared or even cubed with drum brakes.&nbsp; Best to use a proportioning 
valve on the rear to limit braking torque.<br 
id="yui_3_16_0_1_1441165079861_2850">A proportioning valve is 
miss named as it changes the pressure response to pedal travel - which 
flattens the torque response of the drum brake.</div><div 
id="yui_3_16_0_1_1441165079861_2851" dir="ltr"><br></div><div 
id="yui_3_16_0_1_1441165079861_2852" dir="ltr">Phil</div></div></body></html>
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