I'm hoping this is a picture of my latest spud gun. If not could someone tell me how to upload a photo?

hectmarr wrote:You have to make many weapons, because this field is long and short life
Normally you'd need a chronograph but you'd also need a spare hundred quidwotti1 wrote:Is there any easy way of testing how powerful it is?
hectmarr wrote:You have to make many weapons, because this field is long and short life
There is also a smartphone app that automatically does what you'd need to do in your second link, it's designed for airguns though so no telling if it'd be able to register a potato cannon.jackssmirkingrevenge wrote:Normally you'd need a chronograph but you'd also need a spare hundred quidwotti1 wrote:Is there any easy way of testing how powerful it is?
Here's a way to measure velocity without a chrony that in many cases will give you reasonable accuracy.