Technical Performance and Economic Potential of the Locally Developed Pulping Machine for Dried Coffee Cherries

This study evaluated a locally fabricated drum-type coffee pulping machine designed for dried Robusta cherries in Luna, Apayao, Philippines. The machine’s performance was tested at four drum speeds (701–1100 rpm) using a Completely Randomized Design. Results showed optimal performance at 901–1000 rpm (T2), achieving 92.60% pulping recovery, 97.34% efficiency, and 41.55 kg/hr input capacity, with minimal losses. Economic analysis revealed a payback period of 212 days, a benefit-cost ratio of 1.1, and a 170.28% return on investment, confirming viability. Recommendations include operational optimizations and noise reduction modifications.