Q:

RPM of a fired pellet

Anyone have an idea what the rpm of a pellet fired from a Condor 24″barrel would be ?
If a 24″ barrel has a rate of twist of 1 in 16 ” does that mean that when a pellet is fired the pellet will spin once every 16 inches of flight ?

How does this work ?

General Chat

All Replies

Viewing 5 replies - 1 through 5 (of 5 total)

quote shrpshotr28:

VELOCITY (fps) divided by RATE OF TWIST PER FOOT times 60 (seconds per minute)

1 x 16″ rate of twist = .75 rev per ft

800fps * .75 * 60 = 36,000rpm
rpm changes with velocity.

The gun grabbers used this figure to make the Winchester Black Talon handgun ammo appear super evil years ago. It expands and has six sharp “claws” which the anti-s portrayed “IMAGINE THIS BULLET SPINNING AT 36000rpm TEARING AND SAWING ITS WAY THROUGH HUMAN FLESH” Sounds like a buzz saw to the unknowing. However the bullet rotates based on forward movement therefore at 1-14 twist would scarcely turn one revolution from entrance to exit of a human torso, hardly the “buzz saw” they tried to make it out to be; but it worked Winchester pulled the rounds from civilian sale and made them available to Law Enforcement Only.

RPM of the pellet/bullet is more novelty than anything as far as terminal ballistics are concerned; the spin just stabilizes the pellet to allow best accuracy.

Very imformative !

nt

Ok thanks alot you guys !

VELOCITY (fps) divided by RATE OF TWIST PER FOOT times 60 (seconds per minute)

1 x 16″ rate of twist = .75 rev per ft

800fps * .75 * 60 = 36,000rpm
rpm changes with velocity.

The gun grabbers used this figure to make the Winchester Black Talon handgun ammo appear super evil years ago. It expands and has six sharp “claws” which the anti-s portrayed “IMAGINE THIS BULLET SPINNING AT 36000rpm TEARING AND SAWING ITS WAY THROUGH HUMAN FLESH” Sounds like a buzz saw to the unknowing. However the bullet rotates based on forward movement therefore at 1-14 twist would scarcely turn one revolution from entrance to exit of a human torso, hardly the “buzz saw” they tried to make it out to be; but it worked Winchester pulled the rounds from civilian sale and made them available to Law Enforcement Only.

RPM of the pellet/bullet is more novelty than anything as far as terminal ballistics are concerned; the spin just stabilizes the pellet to allow best accuracy.

Viewing 5 replies - 1 through 5 (of 5 total)

  • You must be logged in to reply to this topic.