Just one word. WAO!!!!
Can a Mark V action be made into a switch barrel action?
- Thread starter Lenny Foffa
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If you are running a barrel with a right hand twist the centrifugal forces are always tending to rotate the barrel towards tightening, not loosening so it seems pretty safe. I would want a little bit of tightness for rigidity and accurate headspace.
A RH twist barrel actually torques the rifle the other way (to the right), effectively loosening the barrel. I agree with torqueing up barrels.
Lenny Foffa
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I'm sorry Taylor!! That one just confused me. A right-hand Twist torques the barrel to the right, but that loosens the barrel. I never imagined that!! WOW!!!
Its the direction of travel and right hand twist going forward is like left hand twist on the threads to the action
Exactly, if you are behind the gun the torque is to the right which in terms of threads is away from you/ the receiver.
Lenny Foffa
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Thank You ASD , I'm really sorry I cannot picture it. I invision a bullet in the barrel, spiraling to the right, the same direction the action was threaded.to the barrel. I'm trying to get it, but I just can't see it how it could possible loosen anything. ??
Bullet spiralling to the right. The bullet is travelling forward, the friction between the bullet and the barrel is trying to drag the barrel with it, to the right. Which in terms of the threads is out, away from the action.
I am NOT saying it loosens anything, I am saying and agreeing with Taylorbok, that the torque at the threads would be left hand. Just look from the front fo the barrel towards your action. T bullet traveeling to you with a "right hand twist from the action" applies left hand torque on the threads. I had to picture it when I first read it.
Lenny Foffa
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Oh, Now I see!!! Thank You !! Wow!!! Perhaps that's why those hand tight barrels , as seen in the Barbour Creek videos and others, require those two opposing set screws or a Locking Ring for added safety and security. Thanks again ASD and Taylor
So im not sure what some of you are saying. Picture this, when you turn on a Dremel tool at 10,000 rpm the Dremel twists in your hand the opposite direction of the tool. A heavy tool makes this even easier to feel. A bullet goes from a dead stop to about 250,000 rpm (like in a 1 in 10 twist) in one direction. The barrel which is forcing the bullet in that direction has forces on it in the opposite direction.
I understand your train of thought but your Dremel analogy doesn't stack up to a bullet being forced down a barrel. Say your holding a dremel with your right hand. pointing away from you. and you grabbed onto the chuck with your left hand, your left hand would attempt to torque in the direction the bit is turning. now the chuck is the bullet and your left hand is the barrel.
RichCoyle
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Taylorbok,
Try to picture this. You have a wedge in front of you. Let's say this wedge is vertical in relation to you. You gently push on the wedge with a stick straight out from yourself. Which way is the wedge going to move?
Now think of the rifling as the wedge and the bullet as the stick. Which way is the rifling going to torque the barrel?
Try to picture this. You have a wedge in front of you. Let's say this wedge is vertical in relation to you. You gently push on the wedge with a stick straight out from yourself. Which way is the wedge going to move?
Now think of the rifling as the wedge and the bullet as the stick. Which way is the rifling going to torque the barrel?
I'm not comprehending how you are relating those scenarios.
Go shoot your rifle off a set of bags or with a very loose bipod and grip.
