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Whats The original part of the bore left after rifling grooves are formed?
Lands
What is the original part of the bore left after rifling?
When rifled, the rifling tool cuts the GROOVES. Material left between the grooves is the LANDS.
What is the difference between a musket and a rifle?
A musket is smooth bored, like a shotgun's bore. A rifle has rifling inside the bore (grooves).
What purpose is served by the grooves cut in the bore of a barrel?
It's called rifling, and the purpose is to give the projectile a spin in order to stabilize it in flight.
What are rifled cannon bores?
Cannon with a rifled bore. Rifling is the spiral grooves on the inside of the barrel to cause the projectile to spin. This improved stability in flight and help accuracy
What are smooth bores?
Smooth bores are bores or barrels in guns that do not contain rifling. Rifling is made up of lands and grooves that cause the bullet to turn within the barrel of the gun. This turning gives the bullet and gun its accuracy. A smooth bore gun is much less accurate than a rifled bore gun.
What is a polygonal pistol barrel?
Most rifled firearms have a bore that is round, and has spiral grooves (the rifling) cut inside the bore. However, some guns (notably most Glock pistols) use a different system. The cross section of the bore is a polygon, with several flat surfaces. These surfaces twist in a spiral as you pass up the bore. It is claimed that produces a higher velocity than standard rifling, but it cannot be used with unjacketed lead bullets.
Why is rifling present in the bore of the barrel?
The rifling is there to spin the bullet, which gives greater accuracy.
What is ERFB ammunition?
ERFB stands for Extended Range Full Bore. Invented by Canadian scientist F.V. Bull, ERFB replaces protruding rifling grooves with recessed ones, thus producing lower friction and longer range.
Why smooth bore gun?
some firearms, like shotguns, have smooth bores. Due to the wide variety of different projectiles a shotgun is expected to shoot (from a fine dust-like shot, to a single, solid chuck of lead called a slug), the best type of bore, in this case would be a smooth bore. With a rifled barrel, you want to shoot ONLY a projectile of a specific diameter. This way, the rifling grooves can grab the projectile and impart a spin to it. With a shotgun, the presence of rifling would only confound things, and likely the rifling would get worn out / damaged by the wide variety of projectiles sent through it.
What direction does a bullet spin?
Direction of spin is dependent on the direction of the rifling on the inside bore of the barrel. A bullet will spin the same direction as the rifling.
Why do tanks use smooth bore instead of rifling?
because it helps the tanks to move.
