Cambridge lambretta or all styles do them I think
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Nobby wrote:
Cambridge lambretta or all styles do them I think
Reverse pull on a drum brake can be very dangerous,if the brake linings get warn the brake cam can become stuck causing the brake to lock on causing the rider to loose control.
Nobby wrote:Reverse pull on a drum brake can be very dangerous,if the brake linings get warn the brake cam can become stuck causing the brake to lock on causing the rider to loose control.
HxPaul wrote:Nobby wrote:Reverse pull on a drum brake can be very dangerous,if the brake linings get warn the brake cam can become stuck causing the brake to lock on causing the rider to loose control.
If your front brake linings are that worn on the front (unlikely or just plain lack of maintenance on owners behalf) that will happen wether it's reverse pull or standard pull,
reverse pull improves braking efficiency-fact...... Making for safer riding
You know when the linings are so worn the cam has reached its point of no return because you can feel it- the brakes get really vague and the arm is in the wrong position/there's no adjustment and when you do adjust it it binds , and you have to investigate long before that.[/quo
The whole point of reverse pulling a brake is because you can apply more force making the the brake work better,this is ok on a disc brake because their is no cam on the brake lever shaft,on a drum brake their is and this could become almost horizontal and cause the brake to lock on.
HxPaul wrote:"and a disc brake arm has got a cam,it's just doesn't work the same way as a drum one"
No it hasn't.An inboard disc brake works by an actuator mechanism,when the lever is pulled the cable operates the actuator,which in turn operates balls and ramps which push the brake pad onto the disc.
All I'm doing is pointing out the dangers of using reverse pull on a drum brake,this is common knowledge,in fact if you go onto the home page of the L.C.G.B.and look for how to reverse pull a disc brake
it states exactly what I have said.I don't want to make an issue of this and you can take the information as you wish,so I will just let the matter drop.
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