Auspex Scientific - The Exciting Science and Educational Store


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Estes Rocket Engines & Accessories

Adult supervision recommended

We carry a wide selection of Estes replacement engines, and other accessories at great low prices. Convenient one-stop shopping !!

When engine is ignited, it produces thrust an boost rock t into the sky. Fter probellent is usedup, delay its activated , producint tradking smlke and allowing the rocket to coast. After delay, ejection charge is activaedd, delpoying recovery system.

Choose the right engine for your rocket. When you see the engine coading of, say, "B6-4", "B" stands for total impulse which determines maximum altitude, "6" stands for the average thrust which determines the rocket speed, and "4" stands for time delay in seconds between the end of the thrust phase and the ignition of the ejection charge.

Color coading: Green(single stage), Purple(upper stage), Red(booster), Blue(plugged)



Estes Single Stage Engines B4-4  (3 packs)
Estes Single Stage Engines B4-4 (3 packs)

Regular price: $23.99
Sale price: $21.99
Estes Upper Stage Engines B6-6  (5 packs)
Estes Upper Stage Engines B6-6 (5 packs)

Regular price: $39.99
Sale price: $34.99
Estes Single Stage Engines C6-3   (5 packs)
Estes Single Stage Engines C6-3 (5 packs)

Regular price: $44.99
Sale price: $41.99
Launch Rod 3mm
Launch Rod 3mm

Regular price: $10.29
Sale price: $9.99
Estes NC5 Nose Cones
Estes NC5 Nose Cones

Regular price: $8.19
Sale price: $6.99
Estes Rocket Nose Cones NC-50
Estes Rocket Nose Cones NC-50

Regular price: $8.19
Sale price: $6.99
Estes Engine Hooks
Estes Engine Hooks

Regular price: $4.99
Sale price: $3.99
Estes Recovery Parachute 18" (45cm)
Estes Recovery Parachute 18" (45cm)

Regular price: $5.99
Sale price: $4.99
Estes Rocket Parachute 24" (60cm)
Estes Rocket Parachute 24" (60cm)

Regular price: $6.29
Sale price: $5.49