Big Al - A Lunar Excavation Force Test Station

Project : Develop a piece of test equipment that could be used to measure the excavation forces in lunar soil simulant

For additional details see

Boles, W., Scott, W., and Connolly, J., "Excavation Forces in a Reduced Gravity Environment," Journal of Aerospace Engineering, American Society of Civil Engineers, Vol. 10 No. 2 pp.1 - 5, April 1997.