Head up tilt table testing is not warranted in patients who hae experienced a single syncopal episode without injury in an intermediate or low risk setting.
Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification.
In this simple control system, the cyclic controls are transmitted from the servos to the flybar only and the main blade cyclic pitch is controlled by the flybar tilt only.