Uphole air velocity calculator

Uphole Air Velocity Calculator

Uphole Air Velocity Calculator Imperial Metric (l/s) Metric (m3/min)
Hole Diameter inches mm mm
Drill Pipe Diameter inches mm mm
Air Flow scfm l/sec m3/min

UPHOLE VELOCITY

 20643.8 ft/min 44.2 m/sec 736.2 m/min
12.3 m/sec
Recommended up-hole velocity:
min 3000, max 7000 ft/min		 Recommended up-hole velocity:
min 15, max 35 m/sec		 Required velocity of cuttings:
min 15, max 36 m/sec

Rotation Speed (RPM) Calculator

Rotation Speed (RPM) Calculator

Rotation Speed Calculator Value
Beats per minute bpm
Diameter carbide mm
Outer Diameter bit mm

RPM

 -