The WAC Corporal was the United States first sounding rocket. Seventeen WAC and WAC B rockets were flown from 1945 to 1947. The WAC was launched with the aid of the Tiny Tim solid propellant booster. After the booster burned out, it fell away and the liquid fuel propelled sustainer stage continued its' upward flight.This "NAR Contest - Legal" model of America's first Sounding Rocket is nearly two feet tall. Using the "Pass - Port" staging method, a standard 18mm Booster engine fires another 18mm Upper Stage engine for sky - high flights! The Upper Stage may also be flown as a single stage model. Features hard balsa nose cone and laser-cut balsa fins. Recommended for the intermediate to advanced modeler.2-Stage Specifications:Length: 23.5"/59.7 cmDiameter: 0.976"/24.8 mmWeight: 2.47 oz/70 gm12" Parachute & Tumble RecoverySkill Level: Intermediate/AdvancedRecommended Booster Engines: B6-0; C6 - 0Recommended Upper Stage Engines: A8-3; A8-5; B6-6; C6-7Estimated (calculated) 2-Stage Altitudes:with B6-0 & A8-3 (or 5): 550 feet/167 meterswith B6-0 & B6-6: 795 feet/243 meterswith B6-0 & C6-7: 1215 feet/370 meterswith C6-0 & B6-6: 1070 feet/326.5 meterswith C6-0 & C6-7: 1450 feet/442 metersSingle Stage Specifications:Length: 15.75"/40 cmDiameter: 0.976"/24.8 mmWeight: 1.47 oz/42 gm12" Parachute RecoveryRecommended Engines: A8-3; B4-4; B6-4; C6-5; C6-7Estimated (calculated) Single-Stage Altitudes:with A8-3: 200 feet/60.5 meterswith B4-4: 470 feet/143 meterswith B6-4: 500 feet/151.5 meterswith C6-5 (or 7): 975 feet/297 meters
