Patent ID: 11885223
Assignee: THE CHARLES MACHINE WORKS, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. A method of using the system of claim 1, comprising:
placing the system in a first mode, the first mode being associated with the predetermined drag condition stored in the memory;
providing a drill bit at a first end of the elongate hollow outer member and the elongate inner member;
advancing the drill bit through an underground environment;
rotating the drill bit using the elongate inner member;
receiving, at the processor, the first signal and the second signal;
determining, using the first signal and the second signal, the rotation rate of the elongate inner member and a rotation rate of the elongate hollow outer member; and
with the processor, comparing the rotation rate of the elongate inner member and the rotation rate of the elongate hollow outer member to the predetermined drag condition associated with the first mode.