CMD22 endurance test in time-lapse: how we worked to get Type Certificate

CMD obtains EASA Type Certificate for CMD22 gasoline engine in VLA-LSA categories
25 January 2018
Professor Hu Chunming (TICERI) visits C.M.D. plant
6 February 2018

EASA CS 22, subpart H, chapter CS 22.1849

The engine must be subjected to an endurance test (with a representative  propeller) that includes a total of 50 hours of operation and consists of 25 cycles including for each cycle: 3 takeoffs, 15 minutes at the 75% of maximum continuous power and 1 hour at maximum continuous power. During the endurance test, all the most representative engine parameters must be monitored and recorded. The engine must have no damages at the end of the test and without power loss with the declared fuel and oil consumption.