On Sun, 2005-10-23 at 18:03 +0200, Dotan Cohen wrote: > On 10/23/05, Josh Coffman <josh_coffman@xxxxxxxxx> wrote: > > ayone know how to make a launcher for a jar? > > There are several effective methods. Probably the simplest method is > to find a long board that is wide enough to fit the jar on, and to fix > it on an axis. The height of the axis should be about one fourth the > length of the board. A 'launch surface' made of friction material is > recomended if you want the jar to lauch upwards. Otherwise, > centrifical force causes the jar to slip outward and leave the board > prematurly. There are also proprietary mass launchers, which could launch jars too: http://www.amazing1.com/mass-launcher.htm :-) -- Marius Andreiana
