Comment on "Efficiency: Perfect pitch UAVs and airboats lead to new propellers (at least some good from UAVs / Drones)"
wow scott ul jozinko the information just blows my mind . i was talking...soaring trike. he was explaining to me why a rotax 4...the length of the compression stroke. rota...40 should do the job just cant use the rotax 447...Comment on ""Black Out" Landings (When to flare if landing in the Dark)"
Wow, scary story!! Yep "unexpected" headwinds happen all the time !!! Plan for the unexpected ! @GeoBlaze 's Great Poll (and comments) on running out of Fuel would also apply to running out of Sunlight!!!