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school project help

I need to build a catapult that can throw a golf ball 15 meters. We can only use those dimension: 30 cm long, 20 cm across and 40 cm high. The catapult itself should not exceed 2 kg. We are completly...

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Re: school project help

How did your onager fail? Generally you can wind up an onager tighter until something breaks, fix that and repeat until you get enough range. My first onager (Onagenator 1, see my blog, a picture here...

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Ok I check my catapult and I think we didn't put enough torsion. I'll try later on with more torson. My teammate though the catapult would break. We use rather smal rope and I don't know what type it...

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A good sling will get you vastly more range, especially in your case where you have a size limit (with a sling you can get more range, even with a shorter arm). A sling is somewhat like making your...

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