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There are grooves in a rifle barrel, or external screw-helices on so-called Rifled slugs, which are fired from shotguns, but are externally rifled for spin stabilization?

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16y ago

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Can projectiles have fins?

Yea, they can.


Why do fish have tail fins?

To swim..? If you mean the fin on top of their bodies then it helps stabilize them.


What organism has many fins?

Fish typically have many fins - including dorsal, pectoral, pelvic, anal, and caudal fins - to help them navigate and control their movement in water. They use their fins to stabilize themselves, steer, and propel through the water.


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The purpose of the pen fins is to stabilize the pen during writing, providing better control and precision for the user.


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Bombs use fins or parachutes to stabilize.


Why don't all rockets have fins like model rockets?

Fins are used to stabilize a rocket, so that it does not veer off course or tumble. However, most larger rockets do not use fins because of the atmospheric drag they create.


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They use their poisonous fins


What are the purposes of the fins on a rocket?

The fins on early rockets were used to control the direction of flight. Fins act to stabilize the vehicle, too. Most modern rockets have motors mounted on gimbals, so that the trajectory of the rocket can be controlled by changing the direction of thrust. That's why fins are absent on contemporary rockets. Note that they are still present on the small, hobby vehicles because they improve performance.


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Rockets need fins to help stabilize and control their flight trajectory. Fins help provide directional stability by creating aerodynamic forces that keep the rocket pointing in the right direction. This is important for ensuring that the rocket can accurately reach its intended target.


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