Daily Photo – Bang!

January 7, 2013
Travel

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Actually, the shot below is of a pretty shoddy job. If we'd done it properly, as we did most of the time, there wouldn't have been any blow-out. Here, a large part of the energy of the charge is moving upwards as the shot hole blows out and the noise generated when the dirt falls back to the ground also degrades the signal. But when a shot goes well, there's nothing to photograph.

Daily Photo – Vibs at one o’clock!

August 4, 2012
Travel

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On this survey we were using four Failing Y1100 vibrators mounted on International 6x6 trucks as our energy source. In this photo you can see the four vibrators shaking the ground and carving their way through the maize. In the foreground a spare fifth vibrator sits idle, ready to go to work if one of the other four breaks down. In the background are the Schoonspruit/Skoonspruit grain silos.