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 11Likes
10-08-2014, 06:46 AM
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CC Member
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Join Date: Jan 2002
Location: Melbourne, Australia,
VIC
Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
Posts: 838
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Not Ranked
Electric park brakes
Hi all.
I was thinking about debates I've had with owners about the best place for the park brake; convenience vs space vs looks.
It occurred to me that none of my daily drivers have had a traditional hand park brake now for nearly a decade! Either a foot operated or simple electric switch job.
Has anyone installed or looked into this? For example this: E-Stopp electric hand brake.
Would it pass ADR? The one below seems to still use the cable operation, just has an electric motor to pull it rather than the brake lever. And you install it anywhere (else)!
Interested in your feedback.
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Guy
Cobra Progress guye-cobra.blogspot.com
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10-08-2014, 06:54 AM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
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Cobra Make, Engine: Rat Rod Racer, LS1 & T56
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Looks like an interesting idea Guy. My only concern is that having a handbrake in an emergency a lever is probably better and being able to modulate the braking force. It's more instinctive to grab for the lever than look for the button.
I had a brake failure in an XU1 torana years ago (The pin in the brake booster linkage popped out. It was quick use of the hand brake and being able to modulate it that pulled me up on tram lines before slamming into the car in front of me in traffic.
Just a thought
Cheers
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Mike Murphy
Melbourne Australia
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10-08-2014, 07:03 AM
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Join Date: Jan 2002
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Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
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I know what you mean Mike. I was a bit hesitant when I first got an electric park brake in my daily driver. I suppose the assumption is that the foot brake setups we have today are just far more reliable than in years gone by.
Of course it is departing from 'period correctness' too, I know. Plus you can't do handbrakies!
In theory you could install a rotary or slider switch that progressively estuaries the brake, just like the handbrake level does.... Now were really getting techie.
On the other hand, I like the idea you can hide the switch, which effectively makes it a little harder for joy riders to pinch your car!
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Guy
Cobra Progress guye-cobra.blogspot.com
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10-08-2014, 02:02 PM
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Join Date: Apr 2008
Location: Melbourne,
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Cobra Make, Engine: Classic Revival CR 3505, LS1, T56 6 Speed, VE 3.45 LSD Rear, 6 Spot AP Fronts, 4 Spot Wilwood Rears
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Guy, I think it will come down to whether or not the VASS Eng approves it or not. Although you do have precedent in Road cars now so you may have a case, but maybe only if you use an existing road car system. cheers Gregg
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10-08-2014, 02:43 PM
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Join Date: Jan 2002
Location: Melbourne, Australia,
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Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
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Yeah Gregg, I reckon you're right. I sent a query off to my engineer yesterday, so we'll see what he says.
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Guy
Cobra Progress guye-cobra.blogspot.com
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10-08-2014, 03:00 PM
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I too have been thinking about the position of the E Brake. It will be interesting to see what the Eng. says about it an Elec. Brake.
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10-08-2014, 06:15 PM
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Join Date: Jan 2004
Location: Gold Coast,
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Cobra Make, Engine: Wish I had my own PACE 427
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Actually we can supply an electric handbrake as an option. We looked into it as part of PACE 427 development. So our existing handbrake system can be upgraded to a calibrated electric operation.
I would be wary of some of the "hotrod" style systems as they are complex device.
Should not be any concern for registration compliance as all the systems employed still use a mechanical system just with an electric actuator, so meet all ADR requirements.
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10-09-2014, 12:12 AM
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Join Date: Jun 2001
Location: munno para west,
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Cobra Make, Engine: absolute pace chassis #50 L98 & 6 speed auto
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how much is that option craig ?
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a cobra is a passion anything else is just a car
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10-09-2014, 02:24 AM
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One example I know of actuates the brake calipers in the normal fashion for emergency braking.
The vehicle will stop as quickly and safely as it possibly can under EBCM control.
The electric handbrake shoes ARE NOT used under these conditions.
I cannot see how you could possibly have an electric handbrake in any other way.
It would apply the handbrake too harshly and without modulation control would surely be an accident waiting to happen.
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Gary
Gold Certified Holden Technician
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10-09-2014, 02:39 AM
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Location: munno para west,
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you could run the actuator from a electric brake controller like used on electric brake trailers and use the slide mechanism to adjust how much force goes to the handbrake . ive pulled my falcon wagon with the race car on the trailer connected to a dead stop just using the trailer brakes as a test when I first set it up it pulled the whole lot safely and very quickly I really cant see it been to hard to work out quite honestly .
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a cobra is a passion anything else is just a car
i dont care what the question is .. The answer is more power!!!
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10-09-2014, 03:38 AM
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This e-brake thing is a great idea, leaves more room for cup holders and a flip down mirror so you can check your eye liner.
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10-09-2014, 04:04 AM
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Quote:
Originally Posted by sambo
This e-brake thing is a great idea, leaves more room for cup holders and a flip down mirror so you can check your eye liner.
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I gave up on the eye liner kept poking myself in the eye with the bloody thing 
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a cobra is a passion anything else is just a car
i dont care what the question is .. The answer is more power!!!
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10-09-2014, 05:17 AM
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Join Date: Jan 2002
Location: Melbourne, Australia,
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Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
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Quote:
Originally Posted by Gaz64
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I cannot see how you could possibly have an electric handbrake in any other way.
It would apply the handbrake too harshly and without modulation control would surely be an accident waiting to happen.
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Apparently, the unit I linked in my OP goes on about this:
"The system is controlled by a micro computer that regulates the amount of pull. The E-Stopp will only pull up to 600 pounds before it locks down on itself. The button has a detachable head for easy install and has both visual and audible recognition. Also included is our patented ignition safety feature that renders the brake inoperable while the ignition is on. We recently added another ground sync wire that can be hooked up to your parking symbol light on your dash board."
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Guy
Cobra Progress guye-cobra.blogspot.com
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10-09-2014, 05:22 AM
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Join Date: Jan 2002
Location: Melbourne, Australia,
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Quote:
Originally Posted by sambo
This e-brake thing is a great idea, leaves more room for cup holders and a flip down mirror so you can check your eye liner.
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Don't forget the heated seats, and I was also thinking one of those USB powered mini fleece blankets to throw over my lap. And one for the passenger too!
Seriously though, I've already worked out the cup holders. They go behind the seats. My wife doesn't leave home without her drink bottle, and it sh!ts me to tears having them roll around the passenger floor!
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Cobra Progress guye-cobra.blogspot.com
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10-09-2014, 07:01 AM
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we went for the cup holders as well guy . for the same reason I hate them rolling around on the floor
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a cobra is a passion anything else is just a car
i dont care what the question is .. The answer is more power!!!
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10-09-2014, 01:42 PM
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Join Date: Jan 2004
Location: Gold Coast,
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The handbrake is not required by our ADR's to perform emergency braking, it is just a parking brake.
Yes, we do offer cup holders, sneakily put behind the seats where they can be easily accessed while seated, but keep water bottles out of view and out of the sun. We had a car at the Nationals with our optional cup holders fitted. It is something we thought long and hard about when we designed the cockpit.
And we also recommend heated seats for colder climates.
And also the reason why we have a forced cold air ducted system with flow control valves standard in the kit for driver and passenger footwells.
You may say we are getting soft, but all this makes the cars more usable and more comfortable, so you can drive and enjoy them more often and for longer.
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12-03-2014, 11:26 PM
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So how much is the electric park brake option Craig ?
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12-13-2014, 01:53 AM
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Jag rear end ..park brake pads are tiny...they hold the car on a slope but wont have much effect on trying to control an emergency stop.
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12-15-2014, 01:30 AM
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I have grabbed the motor, controller and switch set from a 2004 -07 Jaguar XJ series car to actuate the park brake calipers on a set of Willwood brakes.. not fitted the cable ends as yet but the bracket was v simple to add. It all sits under the floor, total cost was around $350.
The option you have identified looks great..  is just a question of space to mount the motor.
Cheers
Chris
Last edited by SydneyChris; 12-15-2014 at 01:32 AM..
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12-15-2014, 02:09 AM
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CC Member
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Join Date: Jan 2002
Location: Melbourne, Australia,
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Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
Posts: 838
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Quote:
Originally Posted by SydneyChris
I have grabbed the motor, controller and switch set from a 2004 -07 Jaguar XJ series car to actuate the park brake calipers on a set of Willwood brakes.. not fitted the cable ends as yet but the bracket was v simple to add. It all sits under the floor, total cost was around $350.
The option you have identified looks great.. is just a question of space to mount the motor.
Cheers
Chris |
Good thought, Chris. I hadn't thought of some late model euro wrecks for this option.
I haven't checked the space - I was thinking the unit might fit in the trans tunnel. I can check next week.
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Guy
Cobra Progress guye-cobra.blogspot.com
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