Tiger Balm, N46#60 single 6068D, naturally aspirated. The “continuous duty” rating is at 2200 RPM 105HP, but is not limited by the fuel pump so we can get 2400 RPM 130/140 HP. Never needed that much when moving in a 85knt Hurricane. Fuel burn data is 8-12liter /hr 6.5/7.5kts. 1500-1800 rpm...