[Healeys] FW: Drum Brakes

J Armour sebring3000 at bigpond.com
Tue Jan 27 02:19:34 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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