![]() ![]() It used an additional hydraulic actuator (highlighted) for this. Unusually though it had an additional degree of freedom: the cabin could tilt upwards almost 90 degrees to simulate launches. The Shuttle Mission Simulator's (SMS) Motion Base simulator sat on a standard hexapod motion base so it had the usual three translational / three rotational axes. The ATOP course is taught by longtime airline pilot and AOPA Flight Training Magazine writer/contributor Wayne Phillips. Here are a couple of YouTube videos of the American Airlines Full-motion Flight Simulator Level D. ![]() The main difference between the AATD/FTD and the FFS would be the force feedback of the controls and the tactile feel of the avionics. ![]() The entire system can fit in the master bedroom of your house or apartment. It compares to a VR arcade or Disney World ride. The graphics and motion are realistic for a video game. In contrast, a Redbird full-motion AATD still uses Plane-X 11 software. I have not experienced a simulated uncontained engine failure. Tell them Dean from the Dallas June class sent you. If you are in the Dallas area or in Florida, check out One unit will take up a room the size of a business jet hangar. The entire gimbaled capsule shakes, vibrates and moves on electric jacks. Even the feel of vibrations of the engine and the motion during taxiing is pretty well approximated. The feel and graphics in a Level D FFS are pretty darn realistic. The seats would be mounted on up/down platforms with a stroke of several centimetres, actuated by a separate hydraulic small actuator. The alarming vibrations are extremely effective training cues, and can be faithfully reproduced by an electric motion system plus suitable cabin construction.Īnother way of producing severe high frequency vibrations are by means of a seat shaker or cabin shaker, used in the olden days of hydraulic motion, particularly with helicopter simulators for reproducing the main rotor vibrations. are subjected to the alarming vibrations as well.īoth issues above are not an issue if the constructional design of the cabin etc. All instruments, electronics, cabling etc.We've seen simulator cabins bobbing about like a gelatine pudding when subjected to serious amplitude/frequency combinations. The cabin construction must be able to rigidly stay in one place and support the visual projectors without starting to wobble the image that the pilots are looking at - the rigidity of the upper construction must exceed the frequency response of the motion system.The issues with reproducing severe vibrations at the motion upper platform are: Enough for engine vibration reproduction, severity depends on the magnitude of the amplitude. Electric field creation happens almost instantaneously when commanded and the connection to the upper platform is through the metal screwjacks inside the tubes: frequency response is almost an order of magnitude better than that of hydraulic systems. Maximum perceptible cues up to 5 Hz.Įlectric systems have an electric motor at the bottom of the actuator. Older hydraulic systems, such as depicted above, had a very limited frequency response - the servo valve opens and oil flows through, creating dynamic flow effects and springiness from the compressibility of the column of oil supporting the payload. The two side-questions about reproduced vibrations boil down to the frequency response of the motion system: the ability of the system to reproduce commanded vibration signals, as measured at the upper platform with the payload installed. They simulate the aircraft response by stimulating the sensations felt by the inner ear, making use of its limitations as also mentioned in this answer. The term came in use to distinguish between 6-DOF systems and the earlier 3-DOF systems which only produced pitch, roll, heave cues.ĭo they just simulate the major motions of the airplane in response to the flight controls. Full Motion is full in the sense that it can generate cues in all 6 Degrees Of Freedom: fwd/aft, left/right, up/down, pitch, roll, yaw.
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