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freebeard · 06-22-2013, 10:08 PM

Suppose a freewheeling or slightly draggy pinwheel on a stalk just downstream of the point where a vortex springs up. Would the pinwheel absorb energy from the vortex and dissipate it? Would the added drag eat any savings for lunch?

06-22-2013, 10:08 PM	#61 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,876 Thanks: 8,193 Thanked 8,970 Times in 7,410 Posts	Suppose a freewheeling or slightly draggy pinwheel on a stalk just downstream of the point where a vortex springs up. Would the pinwheel absorb energy from the vortex and dissipate it? Would the added drag eat any savings for lunch?