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mass, energy, momentum? (Read 1360 times)
KnollSlinger
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The Davidson Road KnollSlinger

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Re: mass, energy, momentum?
Reply #15 - Sep 24th, 2020 at 5:42pm
 
Yes, that would be great.  Or a machine that can track the entire flight of the sling bullet.  Pro baseball has such a machine.  I know, I interviewed with the company in Scottsdale, AZ.  All the teams use it.

I gave my sling the rabbit test.  Head and hind legs remain, minus any connection, and well separated.  That is enough power for hunting.
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KnollSlinger
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The Davidson Road KnollSlinger

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Re: mass, energy, momentum?
Reply #16 - Sep 24th, 2020 at 6:51pm
 
In your link to the table, those ranges appear small, considering my record golf drive on a golf course is 360 yards, and I throw sling much farther than I hit golf balls.
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woodssj
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Re: mass, energy, momentum?
Reply #17 - Sep 25th, 2020 at 8:06pm
 
So, what exactly is the "Rabbit Test?" knowing a bit more about it might be helpful.

Also, I don't doubt there's enough power in a sling for hunting, I just doubt it's the same as a .45ACP.

I wish the machines didn't cost so much, because they would be a great tool for studying the sling. If I can afford it in future, I'm going to try to get a radar chronograph and see what I can do with it to get some good data.
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Re: mass, energy, momentum?
Reply #18 - Sep 25th, 2020 at 11:16pm
 
woodssj wrote on Sep 25th, 2020 at 8:06pm:
So, what exactly is the "Rabbit Test?" knowing a bit more about it might be helpful.

Also, I don't doubt there's enough power in a sling for hunting, I just doubt it's the same as a .45ACP.

I wish the machines didn't cost so much, because they would be a great tool for studying the sling. If I can afford it in future, I'm going to try to get a radar chronograph and see what I can do with it to get some good data.


The referred to "Rabbit test" was hitting a rabbit with a stone from a sling. Apparently it was done with a very long sling and a variatio n of the piroutte technique.

https://www.youtube.com/watch?v=5c6mf8-RqOI
Best radar chronograph for the money. Timpa said he's used one to measure the speed of an air rifle. I've used it for small stones from a sling with no issues. I think the cheaper version (no smart phone connection) is roughly $300. There are cheaper ones (e.g. Bushnell), but I've seen poor reviews from them.
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woodssj
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Re: mass, energy, momentum?
Reply #19 - Sep 26th, 2020 at 10:23am
 
That's quite reasonable for a chronograph, honestly. I'll have to add it to my list for next year.
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