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were do you get a good velocity measuring device?

i need something to find the velocity from all of the guns i make does any where find one for relatively cheap?

Kiteman6 years ago
You can make a ballistic pendulum for almost nothing. Shoot the pendulum, measure how far it swings, do some maths and out pops your muzzle velocity.
XOIIO Kiteman6 years ago
Not to be a pain, but you could at least out some links to help with those equations...
Kiteman XOIIO6 years ago
Oops, sorry.
XOIIO6 years ago
One thing that may work, mythbusters once used stick-on accelerometers. You can buy them for cheap, in large numbers and different levels of resistance. You could put a piece of wood and put some on it, then shoot it. That might work. Hope i helped!