[Healeys] FW: Drum Brakes

J Armour sebring3000 at bigpond.com
Mon Jan 26 22:04:22 MST 2015




>Ask me about ventilated drum brakes!
>Being a keen motor racing fan I new you drilled the drum face and backing
>plates to allow air flow through the enclosure of the drum. BUT this also
>lets water in. Two problems, it takes what seems a long time when you
>want 
>to stop in a hurry for the water to be wiped off the friction surface,
>second if one side wheel is wet and the other not so wet you get very
>different brake performance. One day when in city traffic the right hand
>side of the car and brakes was drenched by cars splashing water banked
>against the median strip. The left side relatively dry, less spray, heat
>in drums etc. A pedestrian rushed out at a crossing and I stomped on the
>pedal and immediately did a sharp left turn and stopped at right angle to
>the traffic flow and neatly sitting on the pedestrian crossing. It was
>very hard to look cool in my AH BN.4 while people walked around each side
>of me.
>
>Holes in backing plates and drums --- your choice!
>
>Joe
>
>
>
>On 27/01/15 3:23 PM, "Bob Spidell" <bspidell at comcast.net> wrote:
>
>>Read recently in a reputable source that drum brakes are usually lighter
>>than disks (one of the reasons drums are still
>>used on big trucks).  Seems counter-intuitive to me; can anyone verify
>>or 
>>refute?
>>
>>In same article, read the venting drums increases overall effectiveness,
>>esp. WRT fade.  Anyone done this with Healey
>>brakes?
>>
>>Bob




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