@mlm20c
This is the McCauley STC# SA00956WI the plane currently has
https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/790d952c09b8209e86257e26006f505f/$FILE/SA00956WI.pdf
as referenced by @cruiser earlier
STC -- SA02988AT indeed does increase the RPM/HP
https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/a758a46bd17ea47a86257014005440aa/$FILE/SA02988AT.pdf
Thanks Gentlemen!
@Hank the plane already has the McCauley STC# SA00956WI and I was trying to determine exactly what the prop added. Only for TKS yet also assume it helps with takeoff and climb, the STC does not add additional RPM/HP
Thank you,
That is what I thought and have seen the STC link that you have provided. I was finally able to find the actual McCauley STC# SA00956WI through the search feature on link you provided and you are absolutely correct!! It is only for CAV Ice Protection and offers no change to HP.
Thank you @Cruiser
I have found several discussions regarding the M20S upgrade STC using the Hartzell 3 blade prop to increase the power output of the engine but cannot find the specs on the McCauley STC# SA00956WI, does it increase the horsepower output? Any sharing of knowledge would be greatly appreciated!
Thanks!
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