Solar Flash Steam Cannon 350-700 feet per second 16mm projectile Parabolic Trough

	Solar Flash Steam Cannon 350-700 feet per second 16mm projectile Parabolic Trough This trough cannon uses concentrated solar and PV powered air to fire a 20 gram 16mm diameter projectile at 350 feet per second with compresses solar air and...	From:GREENPOWERSCIENCE Views:19518 443ratings
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