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In Case You Missed it
Wind Tunnel
Barnaby Wainfan explores the optimum size of a wing and the best ways to balance performance and efficiency.
Ask the DAR
Should A&Ps also get a repairman certificate, using multiple pilots for Phase 1 testing, putting E/AB wings on a certificated fuselage.
Cut the Can, Man
Inspecting your filter after an oil change is a good idea, but what tool is best for opening the can? Bob Fritz tests the gamut of oil filter cutters so that you don't have to.
