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Reply to "Handbrake Conversion"

Joules is correct, the reason that the Tesla / Brembo calipers are available is that  a small percentage of gear breaks rendering the caliper in operative.

Attached is the NHTSA safety report and a publication from Tesla.

We setup a "Test to Destruction" using  a EPB controller and some lab equipment to cycle the caliper constantly and without allowing the caliper to move which places excessive stress on the mechanism. After hundreds of cycles the motor pinon gear sheared off the motor shaft, but I don't believe that was the failure mode that caused the recall.

I have disassembled (1) field failed caliper and found the lead screw and follower assembly was the failure mechanism which is not the same as the safety report.

Just as many mechanisms there are failures but in perspective it is not severe and the benefits out weight this issue.

I know of a Pantera owners that purchased calipers from Ebay that had failures as received but bought additional calipers and still felt it was worth while. 

We would not have spent the time and resources to design several controllers if we didn't feel that this wasn't a safe and useful brake system.

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