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Does anyone here own/have access to a chronograph (FPS)?

Jimbojones

Active Member
I need to calibrate my airgun and a chronograph would be handy; if it's only able to read sub-sonic range thats fine.
 

Alexander

Ultra Member
Administrator
I don't have one unfortunatly. Are you setting up above or below 500fps? I am now curious what my .22 air gun shoots at. It is just a cheap one advertised as 499fps but i wonder how close to that number it is.
 

Jimbojones

Active Member
Unsure of the value but by sound, didnt have the same loudness of a MIB 460fps-rated model. Cleaned it up, replaced some seals...now would like to know where it's at.

Chrony, anyone?
 

Janger

(John)
Administrator
Vendor
There's some apps for your phone.... Do they work? There is a free one for ballistics ... ???
 

Jimbojones

Active Member
Ballistic app is only good if you already know the energy being exerted and I have no way of determining that value

Mythbusters used a high-speed camera and a marked/measured background to calculate velocity...but it was frequently for demonstrative purposes as watching an object pass between 2 sets of rods on a shooting chronograph isn't very interesting TV viewing.
 
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