{
"hull":
	{
	"ship_type": "tanker",
	"L": 320,
	"Lwl": 325.5,
	"LOA": 330,
	"B": 58,
	"T": 20.8,
	"Cb": 0.8098,
	"Cm": 0.998,
	"Cp": 0.781,
	"Cwp": 0.8,
	"V": 7.97,
	"S":27194,
	"ks": 150
	},
"propeller":
	{
	"Dia": 9.86,
	"Z": 4,
	"PoD": 0.721,
	"EAR": 0.431,
	"h": 15.1,
	"design_rpm": 76
	},
"propulsion":
	{
	"no_of_propellers": 1,
	"w": 0.305,
	"t": 0.19,
	"relative_rotative": 1.005,
	"trans_effi": 1.0
	},
"engine":
	{
	"MCR_P": 30000,
	"MCR_rpm": 82,
	"gear_ratio": 1
	}
}