Helicopter simulator

Claim 2

A helicopter simulator for simulating actual flight in a helicopter, the simulator comprising: a helicopter airframe mounted on a rotatable platform, the platform received on a stationary base; a hydraulic motor having hydraulic lines connected to a hydraulic pump operated in the airframe and connected to a first instrument control, the hydraulic motor connected to a main support shaft attached to the platform, the motor rotating the platform on top of the main support shaft; lift means connected to the platform and the base for raising and lowering the platform on the base and connected to a second instrument control in the airframe; and a fore and aft, right and left tilt means mounted on the platform for tilting the platform on the base and connected to a third instrument control in the airframe.

Claim 3

The simulator as described in claim 1 wherein the lift means is a stationary hydraulic cylinder mounted on the base, the stationary hydraulic cylinder connected to the bottom of the main support shaft, when the second instrument control is activated the main support shaft raises and lowers the platform above the stationary base.

Claim 4

The simulator as described in claim 1 wherein the fore and aft, right and left tilt means are four hydraulic cylinders connected to the hydraulic pump, the hydraulic cylinders connected weights suspended from the bottom of the platform, when the hydraulic cylinders are activated by the third instrument control the weights are moved fore, aft or side to side for tilting the platform in various directions during the operation of the simulator.

Claim 5

A helicopter simulator for simulating actual flight in a helicopter, the simulator comprising: a helicopter airframe mounted on a rotatable platform, the platform received on top of a circular ring mounted on top of a stationary base, the airframe housing a motor means attached to a hydraulic pump connected to a hydraulic fluid tank; a hydraulic motor mounted on the bottom of the platform and having a pair of hydraulic lines connected to the hydraulic pump in the airframe, the hydraulic motor connected to a first instrument control in the airframe and when activated rotating the platform and airframe above the stationary base; a stationary hydraulic cylinder attached to the stationary base and to the lower end of a vertical main support shaft, the shaft attached to the bottom of the platform, the bottom of the platform supported on the top of the shaft by bearing support means for allowing the platform to rotate on top of the shaft and supported thereon, the stationary hydraulic cylinder having a hydraulic line connected to the hydraulic pump and activated by a second instrument control in the airframe for raising the platform above the circular ring on top of the stationary base; and a plurality of hydraulic cylinders attached to the bottom of the platform and attached to weights for changing the center of gravity of the platform by moving the weights side to side and fore and aft, the hydraulic cylinders connected to hydraulic lines attached to the hydraulic pump in the airframe and controlled by a third instrument control in the airframe for activating the hydraulic cylinders and tilting the airframe and platform.

Claim 6

A helicopter simulator for simulating actual flight in a helicopter, the simulator comprising: a helicopter airframe mounted on a rotatable platform, the platform received on top of a circular ring mounted on top of a stationary base, the airframe housing a motor means attached to a hydraulic pump connected to a hydraulic fluid tank; a hydraulic motor mounted on the bottom of the platform and having a pair of hydraulic lines connected to the hydraulic pump in the airframe, the hydraulic motor connected to a first instrument control in the airframe and when activated rotating the platform and airframe above the stationary base; a stationary hydraulic cylinder attached to the stationary base and to the lower end of a vertical main support shaft, the shaft attached to the bottom of the platform, the bottom of the platform supported on the top of the shaft by bearing support means for allowing the platform to rotate on top of the shaft and supported thereon, the stationary hydraulic cylinder having a hydraulic line connected to the hydraulic pump and activated by a second instrument control in the airframe for raising the platform above the circular ring on top of the stationary base; and a plurality of hydraulic cylinders attached to the bottom of the platform and attached to weights for changing the center of gravity of the platform by moving the weights side to side and fore and aft, the hydraulic cylinders connected to hydraulic lines attached to the hydraulic pump in the airframe and controlled by a third instrument control in the airframe for activating the hydraulic cylinders and tilting the airframe and platform.

Claim 7

The simulator as described in claim 4 wherein the first instrument control is a pair of foot pedals attached to a hydraulic fluid valve which in turn is connected to the hydraulic pump, by activating the foot pedals the hydraulic motor rotates the platform and airframe in a counterclockwise or clockwise direction.

Claim 8

The simulator as described in claim 4 wherein the second instrument control is a collective control handle connected to a hydraulic valve attached to the hydraulic pump for applying fluid pressure to the stationary cylinder and applying fluid pressure for raising the platform above the top of the stationary base.

Claim 9

The simulator as described in claim 4 wherein the third instrument control is a cyclic control handle connected to a pair of hydraulic valves which in turn are connected to the hydraulic pump for applying pressure to the four hydraulic cylinders and tilting the platform and airframe fore and aft or side to side.