Estes D12-3 Motors Pack 2 – Bulk Pack of 72

The Estes D12-3 is a 24 mm single stage model rocket engine designed for reliable boosts and a 3-second delay for ejection. Suitable for model rockets with a maximum lift weight of 14.0 oz (396 g), it offers strong, predictable performance for mid-size launches. This listing is a Bulk Pack of 72 for clubs, schools and frequent flyers, using the Estes Rocket Motors - D12-3 (Pack 2) format. Part number D-ES1566.

What’s Included (Per Pack)

• 2 x D12-3 engines
• 2 x starters
• 4 x starter plugs

Key Specifications

• Diameter: 24 mm
• Length: 2.75 in. (7 cm)
• Initial/Estimated Weight: 1.57 oz (44.5 g)
• Propellant Weight: 0.85 oz (24.2 g)
• Total Impulse: 20.00 N-sec
• Max Thrust: 32.90 N (7.4 lbs)
• Thrust Duration: 1.60 seconds
• Time Delay: 3 seconds
• Estimated Max Lift Weight: 14.0 oz (396 g)
• Quantity Per Pack: 2

Designed for rockets using a 24 mm mount and within the specified lift weight, the D12-3 provides a solid boost phase and dependable ejection timing for a wide range of model rocketry applications.