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A mechanism that can launch balls into play without requiring the player to manually operate the plunger. [11] autosave. More commonly called ball save, every ball that goes down the drain will be returned to the plunger for a limited time. [12] The amount of time that an autosave lasts varies from machine to machine and can be adjustable.
[52] [53] Human cannonball circus acts use a catapult launch mechanism, rather than gunpowder, and are risky ventures for the human cannonballs. [54] Early launched roller coasters used a catapult system powered by a diesel engine or a dropped weight to acquire their momentum, [55] such as Shuttle Loop installations between 1977 and 1978.
Throwing mechanisms, along with projectiles themselves, rank amongst the oldest technological artefacts in the archaeological records. They vary greatly in size and complexity, from the hand-held and extremely simple sling, to the very heavy and complex catapults. These two types of devices have in common with hand-throwing the fact that the ...
The player can control the amount of force used for launching by pulling the plunger a certain distance (thus changing the spring compression). This is often used for a "skill shot", in which a player attempts to launch a ball so that it exactly hits a specified target.
Rossa Matilda Richter ("Zazel") with her cannon in 1877.. The first human cannonball, launched in 1877 at the Royal Aquarium in London, was the 17-year-old Rossa Matilda Richter, going by the stage name "Zazel". [1]
A trebuchet [nb 1] (French: trébuchet) is a type of catapult [5] that uses a rotating arm with a sling attached to the tip to launch a projectile. It was a common powerful siege engine until the advent of gunpowder. The design of a trebuchet allows it to launch projectiles of greater weights and further distances than that of a traditional ...
The Waterball series has a spring-based catapult mechanisms for launching balls of water out of its nozzle. [11] The Water Warriors Steady Stream uses a spring-based mechanisms as a sort of water capacitor to allow this otherwise piston-based water gun to produce a constant stream of water so long as the user pumps quickly enough. [12]
Placing multiple balls in the pouch produces a shotgun effect (even though not very accurate), such as firing a dozen BBs at a time for hunting small birds. With the addition of a suitable rest, the slingshot can also be used to shoot arrows , allowing the hunting of medium-sized game at short ranges.