Originally Posted by
Outwest
Is there a difference in FCU? Flow divider? I would think other than power output and installation an old school PT6 is a PT6.
PT6s are definitely not all created equally. Just look at the differences between a PT6A and PT6C. While the FCUs/GOVs are very different between aircraft types most of the basic core parts are the same. For example, I believe the start flow dividers are similar but rigged differently. But another thing to keep in mind on the start side is an airplane has a very light prop to spool up vs the xsmn/MR of say a 212. It's still the most bulletproof engine type out there in my humble opinion.