Estes 1/2A3-4T Mini Model Rocket Engine Bulk Pack - Includes 24 Engines with Starters, Plugs, & Recovery Wadding (1788)

PLEASE NOTE: These are mini (13mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes 1/2A3-4T bulk pack - includes 24 mini engines, 30 starters, 24 starter plugs, and ~75 squares of recovery wadding The 1/2A3-4T are made to fit smaller rockets, but they will pack a punch! Recommended for use with the Gnome, Star Hopper, or other compatible rocket kits This item will ship by US Postal Service only. Technical SpecificationsTotal Impulse: 1.25 N-secTime Delay: 4 SecondsMax Lift Weight: 1.0 oz (28 g)Max Thrust: 8.30 Newtons (1.9 lbs)Thrust Duration: 0.30 SecondsLength: 1.8 in. (4.6 cm)Diameter: 13 mmWeight: .23 oz. (6.5 g)Propellant Weight: 0.07 oz (1.9 g)Please verify that these engines are compatible with your model rocket before purchasing. This product is warranted by Estes against defects in materials or workmanship from one year of the