RussellMc gmail.com> writes: >=20 > > > Tis the age of paranoia. :( >=20 > not harmless, then not too too dangerus mostly. But people tend to try > other things and I've seen photos of eg AA batteries which have been > used to shatter reasonably solid pine planking. If someone was killed > by a potato fired from such people would be suitably sad but should > not be surprised. the fact that there are crazy/stupid people is not sufficient reason to outlaw engineering. People have being known to be killed by: cars, bicycles, sticks, etc. =20 >=20 > Odds are the use of such a device may be classified as an unlicenced > firearm by the police if they so desire and, if that did happen, it > may be hard to convince a courtthat your opinion was superior to > theirs. No need to register a firearm,- it is a constitutional right to have one (in USA)! No need for a permit to carry one either, at least in most of the US. =20 I hold the world record (probably) for launching a single water rocket > from the most countries (or single rocket launched from the most > countries, or ... ) but nobody seems to know or care=20 > [Over 20 countries, in 2003 ]. One of these days I'd like to > launch an Intercontinental Ballistic Water Rocket [ ICBWR] whih would > also be an ICBM. Across the Rio Grande from North to South America is > one possible location . Quite impressive record! =20 ICBWR launch across Rio Grande might not be too hard to achieve,- the river is not that big. =20 Sergey Dryga, KF5VYY --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .