HOW TO check your airgun's power ft. Combro Cb-625 chrono
Knowing the power of your air gun is important for many reasons. So Nigel Allen explains how to check it using the Combro Cb-625 MK4 chrono (short for chronograph or chronoscope). This handy speed meter attaches to the end of your air rifle barrel and records velocity, converting it to power at the push of a button!
The latest MK4 Combro can also be plugged into your computer and used with free software - and AirgunTV also shows you the latest chrono/bore alignment tool to ensure you don't accidentally don't shoot the sensors of the Combro Cb-625.
And if you want to understand more about how to calculate airgun power, then stay tuned for AirgunTV Xtra at the end of the video... we've asked Professor Domehead goes through the maths behind the science. The Prof. will show you the formulae for working out power in both ft/lbs (foot pounds) and Joules.
Enjoy!
The Cb-625 is made by Combro of the UK. It can be purchased from many gun outlets, or direct from the manufacturer:
http://www.chronoscopes.com