This A Digital or Analog Multimeter to measure Voltage or Current of produced electricity. -843 To connect the output shaft of an engine to a generator head input shaft or anything else for that matter, a special shaft coupler is required. Basically, three pieces are needed. Select a coupler half that is the correct size to fit the engine shaft or driving shaft size, then select a coupler half that is the correct size for the generator head or driven shaft size. Then the two shaft couplers are joined using what is called a spider. Notice that the shaft couplers each have 3 fingers and the spider has 6 slots. The three fingers from the engine side fit into three of the spider slots, and the three fingers from the generator side coupler fit into the other three slots on the spider. This coupler assembly allows for several degrees of misalignment between the two shafts and protect the bearings from seeing side loads that would result from misalignment. "how windmills make electricity " and "home heating systems energy efficient " (include "how to build a solar system for kids", "home wind energy solutions ", "home energy assessment cost ", "magnetic shield motor ", "home energy efficiency assessment ", "Concentrating solar power wiki ", 30 Nov 2009 The CSIRO Home Energy Saving Handbook is a practical guide designed to help Australian households reduce their carbon footprints and take & Magnetic field in motor )