Estes Rocket Motors - 1/2A6-2 (Pack3)

The Estes 1/2A6-2 is a single-stage model rocket engine designed for reliable flights in lightweight rockets. Supplied here as a Bulk Pack of 72 in the Pack3 format, it’s a practical option for group activities and frequent launches. Suitable for rockets weighing less than 2 ounces (including the engine), the 1/2A6-2 provides a 2-second delay to ejection and predictable performance. Estes quality and part number D-ES1593 make it easy to reference and restock.

What’s Included

• Each pack includes 3 engines
• 4 starters
• 4 starter plugs

Specifications

• Length: 2.75 in. (7 cm)
• Diameter: 18 mm
• Estimated Weight: 0.48 oz (13.6 g)
• Total Impulse: 1.25 N-sec
• Time Delay: 2 seconds
• Estimated Max Lift Weight: 2.0 oz (57 g)
• Max Thrust: 8.90 Newtons (2.0 lbs)
• Thrust Duration: 0.30 seconds
• Initial Weight: 0.48 oz (13.6 g)
• Propellant Weight: 0.10 oz (2.7 g)
• Quantity Per Pack: 3