Liquid Propulsion VENM Specifications: Thrust: 400 lbf Cooling: Ablative Fuel: Ethanol Oxidizer: Nitrous Oxide See The Launch HORNET Specifications: Thrust: 650 lbf Cooling: Additive Regen Fuel: Ethanol Oxidizer: Nitrous Oxide See The Hotfire STINGER Specifications: Thrust: 2000 lbf Cooling: Traditional Regen Fuel: Ethanol Oxidizer: Liquid Oxygen See The Hotfire