Design and Development of a Two Post Rotary-Percussion Drilling Rig

Paterno C. Borlagdan

Abstract


A two-post Rotary Percussion drilling rig (AMDP Model 2 Drilling Rig) for shallow tubewell irrigation development was successfully developed at the Agricultural Mechanization Development Program, University of the Philippines at Los Baños.

Consisting of a 5 horsepower horizontal shaft gasoline engine as the prime mover for rotary drilling, 4 horsepower direct coupled water pump for jetting, overhead platform mounted on two post system, a reduction gear box, hoist and cable system sub-assembly, sliding engine mount sub- assembly and basic strut supports; it is capable of drilling into various soil formations up to 1-00 feet and even deeper.

This paper presents the design features and especial capabilities of said drilling rig.


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