Impressive Apollo Block II Command Module Orbital Rate Drive Electronics Earth and Lunar (Panel 13). Production representative for flight application box measures 9 x 4 x 4.5 and has a Kearfott label affixed to the reverse which reads, “Orbital Rate Drive Electronics NASA-MSC…Ser. 104.” Box is still attached to its mounting bracket. Front of the box is numbered “13,” and has six toggle switches, including one for each of the two onboard Flight Direction Attitude Indicators (FDAI) and one for Earth/Lunar selector switch, as well as an “Alt Set” adjustable knob. In fine condition. Designed after input from Gemini astronauts, the ORDEAL box would be installed along the wall of the Command Module and coupled to the FDAI to automatically rotate around the pitch axis at the same rate of the orbital period by means of a fixed reference attitude on the FDAI. RR Auction COA.
Terms and abbreviations used in our descriptions.