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######## Gearbox$_g:	# Gearbox
let Ng$_g:=0.9;			# Gearbox Efficiency
let gr$_g:=5;			# Gear Ratio
let omega%_m:=1000;		# Gearbox Angular Velocity Input (rad/s)
let omega$_m:=500;		# Gearbox Angular Velocity Output (rad/s)
let W%_m:=500000;		# Gearbox Power Input (Watt)
let W$_m:=496000;		# Gearbox Power Output (Watt)
let Q_lub$_g:=4000;		# Heat Out to Lubrication System (Watt)		
let D_$_g_1:=0.98;		# Design Guess

let cost[$_g]:=150;
let thrust[$_g]:=0;			