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Part of MOBEV
American manned lunar rover. Study 1966. The MOBEV R2C(1)E manned Mobile Laboratory Vehicle (MOLAB) was to be used for exploration of the moon. The MOLAB provided complete life support capabilities for its two-man crew during a 14-day, 400-km mission.

Status: Study 1966. Gross mass: 3,398 kg (7,491 lb).

A seven-day life support contingency, beyond the basic 14 days, was also included in the design. The MOLAB carried 320 kg of scientific payload, and had an average driving speed of 10 km/hr.

The MOLAB was delivered to the moon by a LM-Truck, and was capable of being stored for as long as six months before commencing its mission. Prior to the crew's arrival, the MOLAB was remotely unloaded and driven to the site of the crew's landing. The 14-day mission commenced with the arrival of the crew.

The MOLAB power subsystem consisted of two advanced P&W fuel cells, as well as the small RTG and battery. Each fuel cell assembly was rated at 3. 25 kW maximum continuous power. The fuel cells were activated before the MOLAB was unloaded. Included in the oxygen used for the fuel cells was the metabolic oxygen used by the life support subsystem.

The cabin subsystem included a horizontally-oriented cylindrical cabin containing an airlock, five external viewports, and the crew stations. Controls and displays were provided at the two-position driving cockpit, the scientific station, and the aft emergency driving station located in the airlock. Meteoroid protection was provided by the cabin structure.

The mobility subsystem consisted of four metal-elastic wheels individually powered by a motor and transmission, steering actuators located in the front wheel hubs, and suspension and deployment mechanisms. The mobility subsystem required about 5.5 kW of maximum continuous power to traverse the 50/50 ELMS.

The life support/thermal control subsystem consisted of the crew provisions and the Environmental Control System (ECS). The crew provisions included equipment and expendables associated with the personal needs of the astronauts. The ECS provided pressurization, atmosphere control, cabin and suit temperature control, humidity control, contaminant control, and water management.

The astrionics subsystem was comprised of communication, navigation, and TV equipment's. The communications equipment provided for S-band communications between the vehicle and earth, and for local lunar communications at VHF between the MOLAB and the Command Module, EVA astronaut, or other lunar terminals. The navigation equipment utilized two navigation techniques: a position fix mode, and a dead-reckoning mode. The television equipment included a television camera providing a forward-looking stereo pair; a single, monoptic camera for rear viewing; and three cameras for cabin internal viewing and monitoring.


Vehicle Type         ----MOLAB----  --------MOBEX-------
Configuration        RZC(1)E  R3CE    R3AE   R3BE   R3DE
Crew or Duration       2 Man 3 Man  28 Day 42 day 90 day
Delivered Mass (kg)     2975  3231    4909   6923   6930
Scientific Payload (kg)  320   320     700   1500   1500
Crew Supplied Mass (kg)  139   169     222    286    988
Ttl  Operating Mass(kg) 3398  3826    5757   7646   8344
Range (km)               400   400     800   1600   3425
Avg Max Speed (km/hr}     10    l0      10     10     10
Obstacle (m)             1.1   1.1     1.1    1.1    1.1
Development Cost ($mn)   307   311     324    326    318
Development Time (mos.)   54    56      56     58     58

Crew Size: 2.

Family: Lunar Rovers, Moon. Country: USA. Agency: NASA, Bendix.

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