Notes:Recorded in level flight.
Tornado Alley Turbo TNIO-550. Recorded at FL210. OAT -29F, 2500RPM, 30"MP, 17.2gph. 155kts IAS, 151kts CAS (from testing), 211kts TAS. Recorded enroute from Minneapolis Crystal KMIC to Ohio State University KOSU.
I saw 325kts in the descent, but that really doesn't count. This was a beautiful day to be flying.