🚀 go-pugleaf

In article <1h2vvbINNfm0@gap.caltech.edu> carl@SOL1.GPS.CALTECH.EDU (Carl J Lydick) writes:
>ch.edu> <199
>Reply-To: carl@SOL1.GPS.CALTECH.EDU
>Organization: HST Wide Field/Planetary Camera
>Lines: 18
>Xref: contex sci.electronics:36639 sci.energy:12114 rec.autos.tech:36142
>NNTP-Posting-Host: sol1.gps.caltech.edu
>
>In article <72053@cup.portal.com>, lordSnooty@cup.portal.com (Andrew - Palfreyman) writes:
>>Re. the exploding flywheel: I was mulling on flash-filling the
>>cavity with thick-setting foam, but I imagine that the response
>>time is way too long compared with the split of the wheel.
>>Comments?
>
>Even if the response time weren't too long, this "foam" would merely be yet
>another thing for the flywheel fragments to vaporize, and would almost
>certainly only exacerbate the problem.  Why do so many people have so little
>grasp of the amount of energy we're talking about, here?

I do not know.  Perhaps there are a great many people that have never
played with big spinning things.

Anybody ever see the mess when a clutch plate fails ( at 8000 rpm or so )
and does a good job of cutting a small car in half?  Has anybody ever
seen a saw blade ( 10" at < 10000 rpm ) catch a piece of wood and send
that piece of wood through a wall, and then through a door?  How about
a large ( truck ) wheel collide with a small car and total it.  Has
anybody used a potters wheel?  Has anybody ever read of people having
arms torn off by washing machines?

I think its different, though.  It is well known ( references a plenty
) that humans are not good at grasping and scaling non-linear relationships.
Take compound interest for example -- it seem like majic only because
of the way are brains are wired, not because it is special in any 
mathematical sense.  So, as a part of our biology, we dismiss these
types of scaling because they seem "impossible".  

Thus we get into discussions like this.  

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