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mh1967


member


mh1967



Recent comments


Re: SawStop Inventor Walks the Walk

With all due respect, this technology is a godsend for everyone (religious or not).

If p is the probability that a table saw cut does *not* result in a severed finger, then the probability that n (independent) rip cuts lead to zero severed fingers is p^n.

So, what is a good table saw user? p = .99999? That seems pretty high to me. Suppose 10 cuts a day, 5 days a week, 50 weeks a year. That is 10 X 5 X 50 = 2500 cuts per year. In a decade that is 25000 cuts on a table saw.

.99999 ^ 25000 = .778 (approximately). Ok, let's call this 3/4.

So, the probability of no severed fingers in 10 years of work is 3/4. Or, the probability of cutting a finger off is 1/4. Pretty high if you ask me.

Of course I am inventing these numbers. What if p = .999? Then the probability of no fingers cut off in 25000 cuts is effectively zero.

If one has the money for a sawstop, then the issue is simple: either you think that you are so good that p is very, very, very close to one; you are extremely risk-tolerant; you put little value on a severed finger; or, you rarely use your table saw.