Reply To: PCP Or Crossbow? Different Slow Motion Video

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“ztirffritz”I’m sure that these pellets are not supersonic.  The speed of sound is about 1100fps if I remember correctly.  My Marauder isn’t shooting supersonic.  So it isn’t unreasonable to expect that the birds hear, and react to, the twang of the crossbow/slingshot a fraction of a second before the ball impacts. 

I found another video about this crossbow (actually, this video appears to show the Mk-I not the Mk-II):


You right! Website data display speed about 470fps with .48cal  .  530fps with .40cal. Birds’ nerve response is very fast,its ture! But move the body need longer time.
So I think  the birds will feel dangerous and try to fly away,but body can not escape.The video show this situation .