question about barrel whip

Ned Kelly · March 20, 2004, 14:11

I am aware that the AK suffers from barrel whip. I did not know the FN has the same problem.

Is this true? I haven noticed this at the range, I am getting real good groups.

Anyone got information on this?

GUNNER0311 · March 20, 2004, 17:57

Every rifle has "barrel harmonics" or whip. That is why applying pressure against the barrel by using the sling or pulling the forend down against sandbags when shooting can affect the POI(Point of Impact). By putting even slight pressure on some barrels, the "Harmonics" are changed and the bullet
leaves the muzzle at just so slightly at a different monent in the "whip" of the
barrel, caused by the explosion in the chamber and the resulting surge down the barrel. Some designs are less affected that others by this. Many people
favor "free floating" barrels for this very reason! With the barrel "free floating"
any pressure against the forend does not affect the barrel, and the harmonics
are in theory the same for every shot....

Ned Kelly · March 21, 2004, 11:41

I understand "barrel harmonics", just never heard it called 'whip'.

Thanks

March 20, 2004, 14:11	#1
Ned Kelly Registered FALaholic #: 13572 Join Date: Feb 2004 Location: Washington State Posts: 6	question about barrel whip I am aware that the AK suffers from barrel whip. I did not know the FN has the same problem. Is this true? I haven noticed this at the range, I am getting real good groups. Anyone got information on this?

March 20, 2004, 17:57	#2
GUNNER0311 Registered FALaholic #: 10471 Join Date: May 2003 Location: Michigan Posts: 289	Every rifle has "barrel harmonics" or whip. That is why applying pressure against the barrel by using the sling or pulling the forend down against sandbags when shooting can affect the POI(Point of Impact). By putting even slight pressure on some barrels, the "Harmonics" are changed and the bullet leaves the muzzle at just so slightly at a different monent in the "whip" of the barrel, caused by the explosion in the chamber and the resulting surge down the barrel. Some designs are less affected that others by this. Many people favor "free floating" barrels for this very reason! With the barrel "free floating" any pressure against the forend does not affect the barrel, and the harmonics are in theory the same for every shot.... __________________ You can accomplish more with a kind word and a gun, than a kind word alone!

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March 21, 2004, 11:41	#3
Ned Kelly Registered FALaholic #: 13572 Join Date: Feb 2004 Location: Washington State Posts: 6	I understand "barrel harmonics", just never heard it called 'whip'. Thanks