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he high demand on poultry meat has caused poultry slaughtering industries to keep innovatingto improve their productions. One of efforts to improve production is by producing a chicken featherplucker machine to ease and shorten the time to do so. Methods employed to produce this machine were:survey and literature study, chicken feather plucker machine design, machine plan calculation,component assembly, machine trial, data collection, and conclusion. This chicken feather pluckermachine was driven by electric motor ¼ HP with shaft rotary of plucker by 225 rpm. It has portabledesign with dimensions of being used by 1036 mm in length x 800 mm in width x 1300 mm in height, aswell as dimensions of being unused by 1347 mm in length x 1800 mm in width x 1300 mm in height,equipped with wheels to ease the movement to other places. The transmission system used 2 pulleys typeB and V-belt type B-25. Diameter of driving pulley was 6 inches = 152.4 mm and that of driven pulleywas 2 inches = 50.8 mm. The shaft was made of steel st60 with 25 mm in diameter and 223 mm in length.NACHI bearing 6005 with diameter of shaft hole by 25 mm was used. The results of trial reported that toprocess 2 to 4 chickens simultaneously required 3 minutes for getting the plucking result by 90%Keywords: machine, chicken feather plucker, portable

Energy crisis engulfing the world recently has become people’s concern in finding new energy sources which are cheaper and available in the large numbers. The alternative is energy source to drive a turbine. In this case, water will gradually change its potential energy to be kinetic energy which then becomes mechanic energy to move turbine shaft. In this way, the yielded power source can drive other tools needed such as generator which produces electric current. The turbine used in the research was pelton turbine with inverter. The comparison of various lamp power i.e.3,5,9, and 12 watts was analyzed. The data collection was conducted on variables of water capacity, voltage, electric curent, electric power, and hydraulic power. The highest electric power 1.761 watts happened on the lamp power 9 watts and valve opening 900 . This lamp had maximum values of capacity (Q) 1.565x10-3 m3 /s, voltage 0,2 V, electric current 7,87 A, electric power 1.761 watt, and hydraulic power 7.571 watts. Keywords: pelton turbine, valve-opening, dynamo, nozzle, turbine spin, inverter.