This is NOT a Propeller January 2, 2016Lifehacks / Science & Technology / Videos & Pictures This is NOT a Propeller So I made a centrifugal fan.. And then built an airplane around it Under that high pitch whine is a sexy JET noise of air. Related Posts: Fed Survey: Majority of Households Still not Better…Attack on Ebola Facility in Liberia - Quarantine Not…It's A Fire Alarm, Not a Party Alarm Vine Video PlaylistI TOLD YOU NOT TO DO THAT - OFFICIAL VIDEOWhen you trying not to cough Ebola memeInsane Himalayas Bus Ride - Not For The Faint HeartedFerret jump fail - It's definitely not a cat..How [not] to Remove Your MustacheDoor's Not Open Clip - Beyond Scared StraightBLACK GUY DROPS GUN IN PUBLIC - not in the hood -…Reddit's Try Not To Laugh Challenge"You do NOT understand weddings. AT ALL."Comments