you'll find that time on the phone is a big
impediment to getting done, in general.
If you want to avoid that, always go with the
vendor that has the best reputation for schedule and service.
therefore, I would say Barrett on the
engine.
I don't know of anyone doing a side by side
comparison of a Barrett Engine to a PE engine and finding the PE engine is
faster. I do know of a Barrett powered lnc4 that does over 300
knots.
In avionics - Aerotronics has the best
rep.
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