Subject:
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Re: Physics/Materials geek question
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Sun, 6 Jan 2002 01:12:38 GMT
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Viewed:
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155 times
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I've figured out a better way - if the data entry guy stays *in* a truck all
day, he has less to worry about.... ties up that truck though.
I'm still going to build a catapult though. Going to test it on household
materials first... I imagine I can find some concrete bits for projectiles.
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Message has 1 Reply:
 | | Re: Physics/Materials geek question
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| (...) A gravity-powered catapult is called a trebuchet. This site is a good place to start: (URL) are lots of links to other sites with plans, etc. I made a small one last summer, with a beam ~50cm long. It can fling a ~10g rock over 50m. Much fun! (...) (23 years ago, 7-Jan-02, to lugnet.off-topic.geek)
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Message is in Reply To:
| | Re: Physics/Materials geek question
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| (...) Concrete 2.4-ish and so are most non-ore rocks sandstone etc (Gieck 7th ed) (...) That was an offhand worst deformation with minimum attachments guess. You may need only 5 as 80% of the V will be lost by then anyway. (...) You got it, that (...) (23 years ago, 5-Jan-02, to lugnet.off-topic.geek)
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