Ron Wanttaja wrote:

The engines used in production LSAs must meet the consensus standard for
engines, ASTM F 2339-04. It is greatly simplified over 14CFR Part 33, but
there are definite design criteria the engine must meet, documentation
that must be generated, and endurance testing that must be performed.

Is that standard realistic? I don't mean that as the start of another long
war, just as a general question. At one point we subcontracted to produce
airport lighting systems (the rabbit) and that standard encapsulated 1940's
technology. For instance, the wiring harnesses had to be laced since there
was a suspicion of the new fangled nylon ties, and the sequencing was done
with an electro-mechanical stepper relay.


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