Ansari X Prize Team: Starchaser Industries Ltd., Cheshire, England. UK. The Estes Thunderstar is a 1:41 scale version of the competition spaceship designed by Starchaser Industries. The X Prize Thunderstar uses two Churchill Mk III engines. The Estes rocket duplicates this launch approach by clustering two standard Estes engines to lift the Thunderstar to 1000 feet high! Skill Level: 2 Rocket Specifications: Length: 26.5" (67.3 cm) Diameter: 1.637" (41.6 mm) Weight: 2.75 oz. (78.1 g) Fins: Laser cut balsa. Recovery: 18" (46 cm.) Parachute Max. Altitude: 1000 ft. (305 m) Recommended Engines: 2 x A8-3, 2 x B4-4, 2 x B6-4, 2 x C6-5 |