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Showing posts from May, 2016

EMG-6 "Shop Notes" May 2016

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"EMG-6 Shop Notes" is a day-to-day accounting of what's going on in the shop with the EMG-6 Electric Motor Glider.


May 31, 2016  Prototype #2 Nears Completion As the month of May comes to a close where getting very close to finishing up all of the small details on the aircraft. We are still awaiting the FAA registration so that we can certificate the aircraft and begin flight testing.



LSRM Class May 2016

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Just finishing up the LSRM (Light Sport Repairman Maintenance) class for May 2016.



"Spark Plugs and The Rotax Engine: Part 3" Sport Aviation / Experimenter "Technically Speaking" Article April 2016

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Spark plugs and the Rotax Engine Part 3



In part 1, we discussed the theoretical aspects of the spark plugs. In part 2, we talked about the more practical aspects of installation and maintenance of the spark plugs installed in the Rotax engine. In this, part 3, we are going to take a look at using the spark plug as a troubleshooting tool.



The engine will continuously communicate her condition to you through a multitude of sources. One of the most powerful sources of information about an engine’s internal condition comes from what the spark plugs have to tell you. We call this “reading” the spark plug. (Figure: 1) One advantage of reading the spark plugs is that they don’t often lie. Engine instrumentation can give us a lot of clues about what’s going on inside the combustion chamber, but they are limited, both in the scope and in their accuracy. We see aircraft owners pulling their hair out, modifying the engine, trying to make it operate in a configuration so that the instruments read…