Guns/missiles/shields : volume = class
CDs : volume = 2
Torps : volume = 5
Mine/CM : volume = 2
Thrusters : volume = 6
Nomad equip : volume = 10 (guns) else 50

power supplys :		Fusion	Anti-Matter	Plasma	
		LF	2	4		8	
		HF	3	6		12
		VHF	5	10		20
		FR	4	8		16
		UT	80	100		200	
		GN	50	70		140
		CR	100	130		260
		BS	200	250		500