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Todd Hathaway
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Post subject: My new website >>---> Archery in Slow Motion! Posted: Fri May 23, 2008 7:15 pm |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Bender
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Post subject: Posted: Fri May 23, 2008 10:48 pm |
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Joined: Sat Jan 05, 2008 4:01 am Posts: 107 Location: California
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Todd Hathaway
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Post subject: Posted: Sat May 24, 2008 6:24 am |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Bender
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Post subject: Posted: Sat May 24, 2008 2:19 pm |
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Joined: Sat Jan 05, 2008 4:01 am Posts: 107 Location: California
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Todd Hathaway
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Post subject: Posted: Sat May 24, 2008 3:06 pm |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Well, the first post was how the testing was a failure due to uncontrolled variables:
and the second post was on the success of the experiment:
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Bender
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Post subject: Posted: Sun May 25, 2008 12:27 pm |
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Joined: Sat Jan 05, 2008 4:01 am Posts: 107 Location: California
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Good work! I was considering doing the same thing after I finish the article I am currently working on. In one way I wonder if I should bother, since basically you have already begun. But at the same time I kind of feel that the info should get out there to a larger audience. If I ever get to where I have the time to start a third article maybe we'll talk about this again.
BTW your idea that a bow at least becomes more efficient with a heavier arrow is true, up to about 12 grains per pound of draw weight. After that efficiency severely falls off again.That came from the data that I gathered for my first article.
One amusing thing that I noticed was that a lot of folks came out to question you, your purpose, and your "results" (you didn't have any yet) when you first posted. On your second post when you actually had results, sure there were still questions raised, but the people responding were of a different sort.
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Todd Hathaway
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Post subject: Posted: Mon May 26, 2008 6:21 am |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Bender,
That's interesting about efficiency dropping off at 12 gpp. I suspected there had to be a drop-off somewhere simply because if you think of the impractical extreme of an arrow so heavy that it merely falls to the ground after clearing the rest, then it will have virtually no kinetic energy. In theory every bow reaches a point where the arrow is so heavy that it can't even push it forward.
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Rob DiStefano
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Post subject: Posted: Fri May 30, 2008 7:52 am |
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Joined: Sat Aug 28, 2004 3:01 am Posts: 457 Location: North Jersey
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Todd Hathaway
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Post subject: Posted: Fri May 30, 2008 10:09 am |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Rob DiStefano
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Post subject: Posted: Fri May 30, 2008 10:15 am |
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Joined: Sat Aug 28, 2004 3:01 am Posts: 457 Location: North Jersey
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Todd Hathaway
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Post subject: Posted: Fri May 30, 2008 10:26 am |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Killdeer
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Post subject: Posted: Sun Jun 08, 2008 3:16 pm |
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Joined: Sun Jun 08, 2008 2:58 pm Posts: 1 Location: Virginia
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Friend Dina sent me a link to this site. I loved watching the films, and have referred some newcomers to it, as it explains so much better than words the physics of archers' paradox.
You have done some excellent, and valuable work. Thank you!
Killdeer
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Todd Hathaway
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Post subject: Posted: Sun Jun 08, 2008 4:55 pm |
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Joined: Sat Oct 18, 2003 3:01 am Posts: 636 Location: Central New York
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Thanks, Killdeer, and welcome to the site!
Believe me, doing those videos is my pleasure.
I am in the process of building a "shooting machine" from scratch.
I'm not exactly an engineer, so it will be interesting. But I believe the machine will provide awesome footage regarding comparing different bows, different arrow stiffness, nocking points, etc. etc. It will remove the human element, so we're comparing apples to apples as much as possible.
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