The Sky Motors 70 four-cylinder inline air-cooled aero engine produced 60hp from 200ci and received ATC 200.
The 70A was a model 70 with modified crankcase and crankshaft.
The Sky Motors 70 four-cylinder inline air-cooled aero engine produced 60hp from 200ci and received ATC 200.
The 70A was a model 70 with modified crankcase and crankshaft.