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Other specialized choke tubes exist as well. Some turkey hunting tubes have constrictions greater than "Turkey", or additional features like porting to reduce recoil, or "straight rifling" that is designed to stop any spin that the shot column might acquire when traveling down the barrel.
de Laval nozzles are venturi tubes that produce supersonic gas velocities as the tube and the gas are first constricted and then the tube and gas are expanded beyond the choke plane. Rocket engine nozzles discusses how to calculate the exit velocity from nozzles used in rocket engines. Hydraulic jump; High pressure jet
In electronics, a choke is an inductor used to block higher-frequency alternating currents (AC) while passing direct current (DC) and lower-frequency ACs in a circuit. A choke usually consists of a coil of insulated wire often wound on a magnetic core, although some consist of a doughnut-shaped ferrite bead strung on a wire.
Other specialized choke tubes exist as well. Some turkey hunting tubes have constrictions greater than "Super Full", or additional features like porting to reduce recoil, or "straight rifling" that is designed to stop any spin that the shot column might acquire when traveling down the barrel.
Another option is to use a rifled choke in a smooth-bore barrel, at least for shotguns having a removable choke tube. Rifled chokes are considerably less expensive than a rifled shotgun barrel, and a smooth-bore barrel paired with a rifled choke is often nearly as accurate as a rifled shotgun barrel dedicated for use with slugs.
They are sized based on the total tube length used. Typical European 230V series choke ballast 40W T12 or 36W T8 fluorescent lamps. An inductor, usually a choke, is very common in line-frequency ballasts to provide the proper starting and operating electrical condition to power a fluorescent lamp or a high intensity discharge lamp.
This choke features muzzle spikes and gas ports for breaching. Also considered a choked cylinder it can be used for firing slugs as well as buck shot. [6] 7.5" Barrel Extension: machined from 4140 ordnance grade steel with a matte black oxide finish. This attachment is threaded to screw into the UTS-15 barrel (like the Tactical Choke Tube). [7]
Choke valves are important for naturally-aspirated gasoline engines because small droplets of gasoline do not evaporate well within a cold engine. By restricting the flow of air into the throat of the carburetor, the choke valve reduces the pressure inside the throat, which causes a proportionally greater amount of fuel to be pushed from the ...
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