Here are the specs for the flight vehicle.

Fuel:               Kerosene
Oxidizer:           Liquid Oxygen (LOX)
Mixture ratio:      1.8
Thrust:             250 lbf nominal, 233 lbf during the flight
Dry mass:           54.9 lbm
Burn time:          15 sec capacity, 10.5 during the flight
Max altitude:       17000 ft with full tanks, 10800 ft during the flight
Length:             14 ft
Diameter:           6 in

Additional design info is contained in my Space Access '16 report and the mass properties spreadsheet.