Failure at the bottom of a steep hill is a different type of failure caused by b... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		kevinpet on Oct 18, 2022 \| parent \| context \| favorite \| on: Never trust a system that seems to be working Failure at the bottom of a steep hill is a different type of failure caused by brake fade due to the brake drum swelling with heat as the truck goes down the hill.

m463 on Oct 18, 2022 [–]

But I believe at some point air brakes had to be reversed by law.

In other words, the brakes would apply on loss of pressure, instead of via pressure.

Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact