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Old September 28, 2010, 12:27 PM   #16
arcticap
Senior Member
 
Join Date: March 15, 2005
Location: Central Connecticut
Posts: 2,973
Quote:
Originally Posted by mykeal
Ok, I'll try again: what does "1026 fps from 50 gr ffg Goex under a .495 rb spit patched with 0.018" pillow ticking" mean?
Quote:
In dry air at 20 °C (68 °F), the speed of sound is 343 metres per second (1,125 ft/s). This equates to 1,236 kilometres per hour (768 mph)...

http://en.wikipedia.org/wiki/Speed_of_sound
It means that the projectile's rate of travel was subsonic, or not moving as fast as this jet plane pictured below. Ain't it beautiful?

http://en.wikipedia.org/wiki/File:FA...-_filtered.jpg

Last edited by arcticap; September 28, 2010 at 09:04 PM.
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