AAE 450 - Senior Design

Alec SpencerPressurized Rover

Preliminary Design Review13 Feb 01

Science

Long Range Exploration StrategyLong Range Pressurized Rover

Capabilities Redundancy

Greenhouse Concepts

Long Range Exploration

Initially focus on scouting (6 months) Scout geology Chart water table

Focus on key sites (6 months) Scientist discretion

Rover Capabilities

Design Specifications

Range: 1000+ km Crew: 2 (4 in emergency) Duration: 10 days (30 in emergency)

Rover Capabilities

Clearance: 0.85 mMaximum speed: 40 kphMaximum slope: 60o *

Maximum side-hill angle: 45o

Turning radius: 10 m

Features

Control Joystick Modular Electronic design Remote control capabilities

Science Meteorology (autonomous) Sonar or radar mapping (autonomous) Drilling or core samples

Features

External roll cage4 x 6 drive 3 computer stationsShower and chemical toilet

System Redundancy

Propulsion Main methanol engine

Methanol and O2 diesel cycle

CO2 bufferMain source of heating

ElectricEmergency power to return to HABActs as generator when not in use

System Redundancy

Power systems Generator powered by engine Electric engine as generator (Fuel Cell) Batteries

System Redundancy

Airlock Emergency shelter in case of hull

breach Doubles as toilet and shower Suit design

Greenhouse

Weight Lightweight if inflatable

Shielding UV levels too high for plant life Shielding for a large structure would be

prohibitive