[DeTomaso] parking brakes
Tomas Gunnarsson
guson at home.se
Wed Jan 13 17:02:11 EST 2016
It is more likely a linear actuator driven by a motor. A solenoid would
not be good as it would need to draw current for the whole time the
brakes are on. You can probably hear the motor whine when you flip the
switch (or whatever) and then it goes silent when the brakes are on/off.
Where there's legislation requiring a parking brake it's usually also a
requirement that it's mechanically actuated, hydraulics are not allowed.
Tomas
<-----Ursprungligt Meddelande----->
From: Charles McCall [charlesmccall at gmail.com]
Sent: 13/1/2016 10:53:34 PM
To:
MikeLDrew at aol.com;guson at home.se;gaino at earthlink.net;detomaso at poca.com
Subject: Re: [DeTomaso] parking brakes
I confess I don't know if OEM electric parking brake systems work by
pressurizing the fluid in the line, or if they are a simple mechanical
'arm'
that
is pulling on a mechanical parking brake? Does anybody know that for
sure?
****Audis use a mechanical parking brake actuated by a solenoid - the
second
case. They do not pressurize the fluid in the line. They have some
electronics to ease the brake on if you are moving, but actuating it at
any
speed locks up your brakes. They are either on or off.
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-------------- next part --------------
It is more likely a linear actuator driven by a motor. A solenoid would
not be good as it would need to draw current for the whole time the
brakes are on. You can probably hear the motor whine when you flip the
switch (or whatever) and then it goes silent when the brakes are
on/off. Where there's legislation requiring a parking brake it's
usually also a requirement that it's mechanically actuated, hydraulics
are not allowed.
Tomas
<-----Ursprungligt Meddelande----->
From: Charles McCall [charlesmccall at gmail.com]
Sent: 13/1/2016 10:53:34 PM
To:
MikeLDrew at aol.com;guson at home.se;gaino at earthlink.net;detomaso at poca.com
Subject: Re: [DeTomaso] parking brakes
I confess I don't know if OEM electric parking brake systems work by
pressurizing the fluid in the line, or if they are a simple mechanical
'arm'
that
is pulling on a mechanical parking brake? Does anybody know that for
sure?
****Audis use a mechanical parking brake actuated by a solenoid - the
second
case. They do not pressurize the fluid in the line. They have some
electronics to ease the brake on if you are moving, but actuating it at
any
speed locks up your brakes. They are either on or off.
_______________________________________________
Detomaso Forum Managed by POCA
Posted emails must not exceed 1.5 Megabytes
DeTomaso mailing list
DeTomaso at poca.com
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