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Failed 4 out of 5 Brake Plate tests.. However you can only possibly pass one test . That's the main brake test with everything functioning correctly. All the other tests are carried out with something missing from the system. Even my hybrid handbrake system worked perfectly. In fact it met the test requirements with ease and then performed even better than expected.. The tests we "failed" were, FRONT BRAKES DISCONNECTED. Minimum peak deceleration had to be 20%, we made 26%. REAR BRAKES DISCONNECTED . Minimum peak deceleration had to be 50%, we made 65%. Finally BOOSTER DISCONNECTED. Minimum peak deceleration had to be 50% AT 500N pedal force, we made 57%. at 502N pedal force. Handbrake also passed by holding the car stationary in forward and reverse gears when a slight throttle is applied. So really we passed all 5 tests. A huge thanks goes out to John Desisto for carrying out these tests for me. A great guy and the owner of one of the all time great EH panel Vans. A car from a family of EH fans that I can say was and still is a huge inspiration to me and my love for these cars...
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Well done Scott. This vehicle is a credit to your resolve.
How did the 'disconnect' routine go, was it as easy as we discussed the other day ?
Dr Terry |
If at first you don't succeed, just call it Version 1.0 |
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Originally Posted by: Dr Terry Well done Scott. This vehicle is a credit to your resolve.
How did the 'disconnect' routine go, was it as easy as we discussed the other day ?
Dr Terry Using the method I described to you, open a bleeder we had total failure. As soon as the pedal was depressed it went to the floor. Luckily the handbrake worked brilliantly and stopped the car. We ended up fitting the blocked off tube to each circuit individually and obtained results identical to the sample results in the Transport for NSW regulations. http://roadsafety.transp...ake_assessment_dl1.html
The workshop even rang the RMS Technical people and asked them how they recommend doing the "disconnect" tests. They recommended crimping the rubber hoses. I also spoke with another workshop that has done this same test regime for the same engineer and they also just crimped the hoses. Interestingly we tried the same test on a VZ Commodore they had there. We opened a bleeder and ran the test, total failure on that wheel. However this car had ABS so the front circuit is split at the ABS therefore the other front wheel functioned perfectly and the car retained a working brake pedal. I don't believe the disconnect test can actually work if done as described. To me it appears as though if you have a failure in one circuit the internals of the master cylinder do not function in a way that allows the other circuit to function correctly and retain pressure.
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Nearly finished.
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So close now! The brake test rules must have been written by a bureaucrat..... with no practical experience.
I didn't realise you were "local" to me. I used to work around the corner from Malibu in the '90s, right beside the canal. It's been years since I've seen some of those EH's around. The green EFI 5L wagon used to be a regular cruiser in the area. |
Cheers,
Mick _______________________________________________________________
Judge a successful man not on how he treats his peers, but on how he treats those less fortunate. |
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Originally Posted by: commodorenut So close now! The brake test rules must have been written by a bureaucrat..... with no practical experience.
I didn't realise you were "local" to me. I used to work around the corner from Malibu in the '90s, right beside the canal. It's been years since I've seen some of those EH's around. The green EFI 5L wagon used to be a regular cruiser in the area. The green wagon is Franks and the brown panel van belngs to John. John used to own the mechanical workshop however sold it a few years back to his nephew. John came in on the Saturday to do the brake testing for me. Great EH guy..
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
Thanks: 3 times Was thanked: 1 time(s) in 1 post(s)
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Rank: Member
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Joined: 28/08/2011(UTC) Posts: 514
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Rank: Member
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Glad I'm not the only one who cops injuries when working on cars.... :) |
Cheers,
Mick _______________________________________________________________
Judge a successful man not on how he treats his peers, but on how he treats those less fortunate. |
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