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To my eye the Marchetti looks to have a greater problem : 8 pistons, conrods, bearings etc. all stopping and starting at one time
Yes, an eight cylinder at 45 degrees would have helped with the fourth order torque problem :-) >Aircraft never rolled under own power. Actually the Caminez did fly: (perhaps you mean the marchetti?)"The Fairchild-Caminez 447 was first flown in an Avro 504 from Farmdale, Long Island, New York, in 1926. It was successfully endurance-tested in 1927, and was the first ever axial engine to receive a US Dept of commerce type certificate. "To my eye the Marchetti looks to have a greater problem : 8 pistons, conrods, bearings etc. all stopping and starting at one time
I downloaded the Solidworks PDF from curiosity. I'm wondering what you don't also include the SW parts files for download.