The International Cessna 170 Association

… Also… considering that your airplane is being compared IN FLIGHT and ALONGSIDE similar models…. the actual difference in obtained speed can be believable. What might be UN-believable…. is the accuracy of your friend’s instrumentation. They MAY be seeing 2450 RPM on their tachometers….but MAY ACTU...

I have observed that there are 170s that are fast with no effort, some are faster because of effort, and some are slow no matter what. And there are a lot of average examples as well. I've owned two slow 170s. I could cruise around at 105 or 110 but all the others where doing 115-120. I studied bot...

Welcome to the forum, somehow I think your engine may not be producing as much power as your flight mates but as George mentioned it could be a sum of issues. I know when I first had my plane with a high time continental, it ran smooth. When I went to overhaul it I found a cam lobe pretty much worn...

Surfaces condition and rigging can be issues. Antennas, brake-lines, prop condition, engine condition …. would add/subtract minor differences as well. Wing rigging was my initial thought, but I can’t find anything in the logs showing it was changed. The other two planes I fly with are painted, and ...

Good morning everyone, I’m new to the the forum so bear with me. I recently bought a ‘53 170b with Sportsman Stol kit, 180 legs, 31”AKBW, and an 80/42 mcCulley prop. I have two friends with identically set up 170’s. I’ve noticed when we fly, I am running 2550 RPM to keep up with them running 2200-23...