What is this setup called and why is it used? (Drum and disc
The drum is the parking brake. Allows for a cheaper caliper (without a parking brake screw) and adds redundancy. And drum brakes have more contact area and can hold a vehicle better. Disc is only the norm because of heat dissipation.
While disc brakes are better is pretty much every way compared
A drum brake with equivalent swept area would have to be much bigger and heavier. Which is why you see drum brakes only used where packaging efficiency isn't the limiting factor (semi trailers) or where the braking force required is low (rear wheels of non-performance vehicles).
Drum brakes? : r/BikeMechanics - Reddit
2023年6月25日 · A drum brake has 2 shoes that are forced apart by a cable actuated lever, the shoes and drum have to be clean and no grease or oil contaminants. Such as the Strumey Archer X-FDD on my Raleigh You try filling your sturmey drum hub with shimano roller break grease and your next of kin can let us know how it went
Squeaky Drum Brake : r/MechanicAdvice - Reddit
The lurching means the brake drums are likely out of round. They will need to be machined or replaced. With disc brakes, warped brake rotors will cause shaking when the brakes are applied. The rotor is the friction surface for braking in disc brake systems. The drum is the friction surface for braking in drum brake systems.
Disk brakes vs Drum brakes : r/MechanicAdvice - Reddit
2021年12月5日 · Drum brakes apply more braking force, this is an irrefutable fact. Drums however are also less consistent due to different forms of brake fade and they're harder to keep cool. Disk brakes aren't as strong but they are much more consistent, easier to adjust, have less moving parts, cool down much faster due to the open design, and are less ...
Ironhead drum brake help : r/Harley - Reddit
2017年7月24日 · Set up the brake drum and mechanism separately from the pedal and linkage. Don't even install the linkage rod until the backing plate and brake cam/lever/shoes are adjusted correctly, then install the linkage rod and adjust the pedal without moving the brake actuating lever on the drum (it's already where it's supposed to be if the brakes set ...
Do all F1 cars use drum brakes? : r/F1Technical - Reddit
2024年3月24日 · All F1 cars use carbon composite disc brakes (disc brakes have been standard since the late 1950s). The big drum you see on the outside, when they take the wheel off, is a fairing used for aero purposes and to cool down/ modulate the temperature of the brake rotor.
I have a scooter which have drum brakes. What are the pros and …
2022年9月4日 · Drum brakes can be fully manual with cable actuation Drum brake shoes last a long time Cons: Drum brakes are (slightly) harder to maintain when it's time to replace the shoes Drum brakes don't stop quite as well Drum brakes are more prone to lockup
Are drum brakes really that bad and how hard would it brakes
2023年5月18日 · Cable wear can be another problem which affects how well the brake works. If the cable doesn’t move freely, replace it as a priority because they can break. Heat buildup can affect how well the brake works, but usually only on long downhill slopes. A front drum (not a back drum) may be set up as a double leading shoe brake.
Need help diagnosing a drum brake out of round : r/mechanics
2019年10月11日 · This time he removed the drum, and actually confirmed the second drum to be 1/16th of an inch out of round using a micrometer. So my suspicion is that the first mechanic never actually changed the bad drum, and tried to sell me more parts because the "new drum" never solved the problem. This brings me to my question.
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