Jon Kåre Hellan wrote:
It's http://www.antennalaunchers.com/csv19/index.html - with an 'l' at
the end.
That's better.
Note that anyone thinking of using this in England might be advised to
consult with the local police as it might be interpreted as being an air
rifle, in which case the muzzle energy is more than three times the
limit above which a firearms certificate would be needed. (The limit is
12 foot pounds, but the potential energy at the top of the arc is 150 *
0.25, i.e. 37.5 foot pounds, and tennis balls will have high enough drag
that the launch energy will be significantly higher.)
The situation in England seems to depend on the words lethal and weapon.
It appears that the rules in South Africa are simpler, and it looks like
it would definitely be classified as a firearm there. The muzzle energy
limit is also lower. The only air weapon exemptions appear to be for
calibres less than .22, and I haven't seen many .21 inch 4oz tennis
balls. The definition doesn't depend on ability to cause harm or the
use of the word "weapon".
It looks like it would also be a firearm in Canada, with an even lower
muzzle energy limit. The uncertainty there is whether or not it could
cause serious injury. Batton rounds, with less than 4 times the muzzle
energy have killed people, e.g. recently during a firearms training
exercise in the UK.
--
David Woolley
"The Elecraft list is a forum for the discussion of topics related to
Elecraft products and more general topics related ham radio"
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