An amusement ride 10 including a tower 12 that pivotably supports an elongated boom 16 that includes an extended end 20 and a pivot 18. A passenger carriage 28 is pivotably attached to the extended end of the boom. The shorter end of the boom includes a moveable counterweight 26 that is operable for raising the boom. The boom is then locked, the counterweight is moved, and the boom is released to swing freely. The movable counterweight includes first and second storage tanks 34 and 35, a counterweight fluid 36, and at least one pump 39 for moving the counterweight fluid between the first and second storage tanks. Passengers are loaded into the passenger carriage when the boom is in the down position. The boom is then raised by moving the counterweight fluid into the first storage tank. After the boom is raised, a brake is set to lock to boom in the raised position, and the counterweight fluid is moved into the second storage tank. The operator then lowers the boom by releasing the brake. The boom swings through approximately 270 degrees, and the passenger carriage may make a 360 degree loop at the end of the first swing.
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