| 摘要 |
PURPOSE:To enable supply of accurate test data, by providing a total number or proper number of flying bodies with a means detecting tension of a rope connected to these flying bodies and a recording means recording consecutively the tension thus detected. CONSTITUTION:To a total number of a proper number of flying bodies is connected a rope 4. This apparatus is equipped with load cell 30 as a tension detecting means of rope, inertia switch 41 fixed to the load cell, magnetic recorder 42 as a tension recording means, signal emittor 43 in terms of seconds accommodated in the magnetic recorded and battery 44 for an electric power source. The inertia switch 41 is actuated by launching shocks of a rocket 7 to close its contact point and thus, by this action, supply of a current from the battery 43 to the recorder 42 is started. By this arrangement, accurate recording of processes in terms of time becomes available and supply of accurate test data is made possible. |
