User:Jigaraphale/Sandbox/12

Simplified Engine Synergies
Speed Increment	Boiler Type	Boilers Required
		Fast S	Fast A Slow A	Fast B Slow B	Fast C Slow C
+1	Any boiler	x1
+2	+13 boilers	x1	x2	x2	N/A
	+13 boilers, and	x0	x1	x0
	Any boiler	x2	x2	x3
+3 (initially-slow ships only)	+13 boilers	N/A	x3	N/A
	+13 boilers, and		x1
	Any boiler		x3