[TheForge] Re: wire brush

[Peter Fels And Phoebe Palmer]

Mike wrote:
>> Release pedal, switch goes off first, then brake stops spindle dead.
> 
> For liberal values of "stops dead".  If you could stop the spindle
> approximately instantly, the acceleration (albeit negative) would be
> likely to cause the mass of the wheel to torque the spindle in two,
> disintegrate the wheel or the like.  Complete re-engineering from
> scratch could deal with that using shear pins, shearing keys, clutch
> etc. but then you lose the desired result: stopping the main rotating
> mass real quick.
> 
>> ...I suppose by the time such a brake does its thing, the damage
>> will have already been done.  But perhaps it may help mitigate
>> injuries a bit?  Just a thought.  Any opinions?
> 
> A friction brake that would stop a tool quickly wouldn't help in
> finger-off accidents but might be a real win in getting-sucked-in
> types, especially where the rotating mass was large.  Lose shirt
> instead of big meat chunk, lose hair and part of an ear instead of
> whole scalp and so on.
> 
> - Mike
> 
The reality is that many of us  end up dumping  those "extra" 
parts to save weight and improve access, just like wheel guards.
When they started putting flashback valves on torch butts, i 
started looking into how to get rid of them.
Too much prudence = dysfunction.
Not enough= missing body parts....pf