Lock washers on brake caliper bracket bolts???

[skippyelwell]

I beg to differ, the NASA engineer knows exactly what he is saying. The split lock washer is useless as an aid to keeping the clamping load from reducing due to the bolt backing off which is what most uninformed “experts” think a lock washer is used for.

Nonsense, lock washers have been used for over a 100 yrs in machinery of every kind, they weren't used because they didn't work. All those manufacturers are wrong and you and the twit from NASA are right?
Give your head shake.

 

[Elektrishun]

Is that a drawing of a flanged bolt? Maybe. But no lock washer in the diagram.

 

[Tecnico]

Nonsense, lock washers have been used for over a 100 yrs in machinery of every kind, they weren't used because they didn't work. All those manufacturers are wrong and you and the twit from NASA are right?
Give your head shake.

No need to get personal.

I stand behind the tests in the video, you can see the performance with your own eyes.

D 😎

 

[Tecnico]

View attachment 89295

Is that a drawing of a flanged bolt? Maybe. But no lock washer in the diagram.

Interesting. I wonder if it’s like an AMC, they sourced pieces from several suppliers and they weren’t always the same.

D 😎

 

[someidiot]

Never credit design intent for silly things you find, often it’s because of influence of the bean counters!

Welllll.... I know it's always popular for "us guys" to say stuff like that about "doze guys", but a reasonable squint will push back and tell you to design it for (or find) an available bolt instead of making him add another inventory line item and another assembly requirement, because both add to cost.

 

[slow-poke]

Stock, just torque to spec, never an issue.

I put Wilwood racing brakes on the Mustang (disks all around), bolts have provisions for wire locking. Even with the coldest pads they needed a little bit of heat in to really work, but very effective once warm.

My neighbour has a collection of sport cars including a few Porsche and the newest one has the largest rotors I have ever seen on a car, must be 17”+ I would like to test the brakes on that monster. Seems entirely overkill with street tires, but on a hot day with slicks on a high speed track they would get the job done. Brake fade is a scary thing if you have ever experienced it.

 

[Tecnico]

Welllll.... I know it's always popular for "us guys" to say stuff like that about "doze guys", but a reasonable squint will push back and tell you to design it for (or find) an available bolt instead of making him add another inventory line item and another assembly requirement, because both add to cost.

Yeah, it’s easy to point to the other guy. There’s always a trade off between design & cost including the logistical side like you mention. In the end, cost is usually king as long as it meets spec. If it were easy somebody would have done it already!

D 😎