8/26/2023 0 Comments Ham chimpanzee space![]() Ham performed his tasks well, pushing levers about 50 times during the flight. ![]() 5, used in the Mercury-Redstone 2 mission is currently displayed at the California Science Centre, Los Angeles Ham was weightless for 6.6 minutes instead of the 4.9 minutes that were planned.At apogee, Ham's spacecraft was 77 km farther downrange than planned.Because of over-acceleration of the launch vehicle and the boost from the escape rocket, a speed of 9,426 km/h was reached instead of the planned 7,081 km/h.His couch spacesuit pressure remained normal, and suit temperature stayed well within the optimum range Ham was safe on his own couch spacesuit and did not suffer any ill effects from the loss of cabin pressure. Vibrations had loosened a pin in the snorkel valve and allowed it to open. Another problem occurred when cabin pressure dropped.All of this added up to an overshoot of the planned landing area by 209 km and an apogee of 253 km instead of 185 km.The retrorockets had been dropped during the abort and therefore could not be used to slow down the spacecraft.The high flight angle and the early abort caused the maximum velocity of the spacecraft to be plus thousand feet than planned.The abort system sensed a change in engine chamber pressure and signalled a Mayday message to the recovery forces.One minute after the MR-2 launch, computers reported that the flight path angle was at least one degree too high and rising, and at 2 minutes into the flight, the liquid oxygen supply was depleted.When Ham was inserted into the spacecraft, the countdown was delayed almost 4 hours because of a hot inverter, and several other minor problems.
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