Even better: since both sides really want to fall, it spins. Can you say "perpetual motion machine"?Originally Posted by Bob Oehler
(There's some uncertainty to what happens if the cat dies, but that's a completely different experiment.)
Contributor
Even better: since both sides really want to fall, it spins. Can you say "perpetual motion machine"?
(There's some uncertainty to what happens if the cat dies, but that's a completely different experiment.
Member
Is that what the Amish use to power their tablesaws?Even better: since both sides really want to fall, it spins. Can you say "perpetual motion machine"?
(There's some uncertainty to what happens if the cat dies, but that's a completely different experiment.
Dan
Eternity is an awfully long time, especially toward the end.
-Woody Allen-
Critiques on works posted are always welcome
Member
Well I would say it is better that they hit the concrete and not your foot, that would leave a really nasty mark.
Scott C. in KC
Befco Designs
Member
As much fun as this thread has been, let's not forget that putting a heavier weight in the end of a chisel will not affect which end hits the floor first. Gravity affects everything the same, regardless of mass, so the chisel will hit the ground in roughly the same orientation in which is falls off the bench, accounting of course for any spin applied as it rolls off the edge.
There are two things you can do - first, pad your floor. This is good for your back as well as your tools. Second, flatten your chisel handles. Octagonal, oval, whatever your poison...
Rob in Peoria
Member
If a chisel falls on the floor when you aren't there, does it make a sound?
Contributor
Or when not in use you could pound your chisels into your workbench with a mallet. Or perhaps they need something like an egg yolk in the handle so they never roll off the bench.
"The element of competition has never worried me, because from the start, I suppose I realized wood contains so much inspiration and beauty and rhythm that if used properly it would result in an individual and unique object." - James Krenov
What you do speaks so loud, I cannot hear what you say. -R. W. Emerson
Member
If gravity effects everything the same then why did the General Lee always nose dive during a jump? Inquiring minds want to know.
Contributor
Serious answer: nose goes off the ramp first and starts falling before the back does, giving it a forward rotation. Pretty hard to get a car to not do that...the motorcycle guys can give the bars a yank at takeoff.
Funny answer (at least if you're not a Mopar fan): because the engine sucks.
Member
at least it missed you foot and ankle.
Mine missed the floor and feel between my shoe and ankle. I was so happy I didnt have to go sharpen out a nick till I took off the shoe about 30 minutes later...bloody sock stuck to a nice cut on my ankle.Well at least I know it was sharp. The shoe was a slip on garden type shoe, I had slippped on to go out chop off some screw plugs before bed...never again will wear those in the shop even for a minute.
What if the light at the end of the tunnel is a train?
Member
I am not sure but here are some serious considerations on the chisel falling blade first.
1. the handel is less areodynamic and "slows down" more then the blade and thus the blade is in the lead.
2. The center of gravity is toward the blade since it has more density. When the chisel is leaving the table it is balanced on the edge of the bench and leans to the sharp end with the handle up.
3. If #3 is incorrect and you weight the handle it may still land with the blade down but inpact with more energy and do more damage to the chisle, floor, or foot!
4. GOD has a sence of humor and the more perfect the edge the more the chisels will hit the floor.
Takec are
Bob Oehler
Member
The engine sucks? The same engine that top fuel NHRA engines are based upon. The same engines that can produce over 5000 hp? And........you never see Daisy "riding" in anything else.
Member
Daisy couldn't fit in the General Lee these days, let alone those shorts.
[OP]
Contributor
Wahhh!!!! AIn't that the truth.
[OP]
Contributor
Hmmm. Sounds like a mini parachute may fix the chisel problem.
Slow it down so it just bumps the floor.
Contributor
To follow up on the first off the ramp answer, mostly this is a Pe and Ke problem. The potential _vs_ kenetic energy. The gravity pull is just what insures it comes back down (not withstanding that there is a Pe for the gravity). so as it goes up a hill kenetic energy is lost and potential energy is gained. The wheels leaving first begin to lose potential energy and gain kenetic energy as the rear of the car is still gaining potential energy. As the kenetic energy falls off the forward motion slows and the effects of gravitational pull seem faster and the car will dip. In the show the drop was such that the front end would hit the ground before the rear of the car would catch up to Ke levels of the front end. (mechanical energy conservation) If the drop were deeper (say a cliff) The rear of the car would catch up to the from and when new forces are applied would cause the car to flip. Then you have some external forces in place and the car will most likely land on its roof.
This is my armchair physics what if memory serves.
Oh and BTW no way does MOPAR suck!
Keith
Last edited by Keith Christopher; 11-09-2005 at 4:03 PM.
"The element of competition has never worried me, because from the start, I suppose I realized wood contains so much inspiration and beauty and rhythm that if used properly it would result in an individual and unique object." - James Krenov
What you do speaks so loud, I cannot hear what you say. -R. W. Emerson
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