The Jefferson Jyrodyne’s™ mechanical components are all industrial or aircraft grade. The drive sprockets are hard anodized aluminum, containing steel or stainless steel Sprague clutches or multidisk clutches. Drive belts are Kevlar-reinforced. The bearing and gears are Timken, mounted in CNC-ed aluminum copies of Dodge pillow blocks. Thrust bearings are double row tapered roller bearings. The gears in the aluminum housed bevel gearbox are Timken spur gears.