The water for the drilling is initially melted snow. Well holes are drilled just below the boreholes so that the meltwater can be reused. Later in the season meltwater ponds are syphoned for water. Figure 1 Hot water drill used for the Worthington Glacier Project. Drilling Speed is controlled by an electric motor and gearing box attached to the lowest pulley.
Pulleys are motorcycle rims.
Unit has been retrofitted with skis so it can be pulled across the snow by a few people. The legs are removed and the beam is sectioned for helicoptor transport. The drill rig stands about 10 ft. tall when assembled. Inclinometry Borehole inclinometry was carried out during four stages over the summer of 1994. The inclinometer is outfitted with an orthogonal array of three flux-gate magnetometers and tilt sensors.