When two stages are not enough, try three! A "D" first stage booster gets things going in a hurry. This high flying rocket roars to ultra high altitudes - over a half mile high! Requires a 3/16" (5 mm) Maxi launch rod (EST 302244) - sold separately.

Length: 41" (104.1 cm)
Diameter: 0.98" (24.9 mm)
Weight: 2.1 oz (59 g)
Recovery: Streamer
Fins: Die cut balsa
Maximum Altitude: 2660 ft (81 m)
Recommended Engines: Single Stage Flights: A8-3, B4-4, B6-4, C6-5; Three Stage Flights: Booster Stage: D12-0, Second Stage: B6-0, C6-0, Third Stage: B6-6, C6-7
Notes: Special Requirements: 3/16"(5 mm) Maxi launch rod (EST 302244) - sold separately.