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For investigation of shortlived nuclides at the research reactor DR 3 an ultrafast pneumatic transport system has been developed. Extensive experiments have been carried out to determine the important details in the mechanical construction. The rabbit velocity is more than 300 m/sec. The time between the end of neutron irradiation and the start of the measurement is less than 30 ms. The irradiation time is minimum 30 ms. The whole operation of the system is controlled by a micro-processor. A specific characteristic of the equipment is the measurement of the transfer time and the irradiation time. The irradiation time and the transfer time are measured with a fast pressure transducer, which measure the pressure pulses in the rabbit tube on the core level. The irradiation time is measured with plus minus 0.5 ms and the transfer time with plus minus 0.4 ms. The rabbit diameter 16 x 60 millimeters is made of polyethylene. (Atomindex citation 10:458046)