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Home/ Motors (Engines)/ By Size/ 18mm Diameter

18mm Diameter

Standard 18mm Diameter Model Rocket Motors

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1–10 of 40 items

Estes

1/2A6-2 Motors (Package of 3)
The Estes 1/2A6-2 engine is a single-stage model rocket motor designed for use in rockets weighing less than two ounces (including the motor). Each...
$11.29 (Discounted. Price is Lower in Cart)
... more info
Quest Aerospace

Sale

A3-4FJ Black Max Q-Jet Model Rocket Motors (Package of Two)
Quest's Q-Jet 18mm model rocket motors use an aerospace-grade composite propellant. Q-Jets generate a highly-visible exhaust plume and delay smoke...
$8.49 $8.07
5% off
... more info
Quest Aerospace

Sale

A3-6FJ Black Max Q-Jet Model Rocket Motors (Package of Two)
Quest's Q-Jet 18mm model rocket motors use an aerospace-grade composite propellant. Q-Jets generate a highly-visible exhaust plume and delay smoke...
$8.49 $7.13
16% off
... more info
Estes

Sale

A8-0 Motors (Package of 3)
The Estes A8-0 engine is a booster stage model rocket motor. This engine is for flights in multi-stage rockets weighing less than four ounces...
$11.29 (On Sale Now. Price is Lower in Cart)
35% off
... more info
Estes

Sale

A8-3 Motors (Package of 3)
The Estes A8-3 engine is a single-stage model rocket motor designed for use in rockets weighing less than three ounces (including the motor). Each...
$11.29 (On Sale Now. Price is Lower in Cart)
5% off
... more info
Estes

A8-5 Motors (Package of 3)
The Estes A8-5 engine is an upper stage model rocket motor. The A8-5 can also be used as a single stage motor in rockets weighing less than 5 ounces...
$11.29 (Discounted. Price is Lower in Cart)
... more info
Estes

Sale

B4-2 Motors (Package of 3)
The Estes B4-2 engine is a single-stage model rocket motor designed for use in rockets weighing less than four ounces (including the motor). Each...
$11.99 (On Sale Now. Price is Lower in Cart)
35% off
... more info
Estes

B4-4 Motors (Package 3)
The Estes B4-4 engine is a single stage model rocket motor designed for flights in rockets weighing less than 3.5 ounces (including the engine). Each...
$11.99 (Discounted. Price is Lower in Cart)
... more info
Quest Aerospace

Sale

B4-4FJ Black Max Q-Jet Model Rocket Motors (Package of Two)
Quest's Q-Jet 18mm model rocket motors use an aerospace-grade composite propellant. Q-Jets generate a highly-visible exhaust plume and delay smoke...
$9.34 $8.13
13% off
... more info
Quest Aerospace

Sale

B4-6FJ Black Max Q-Jet Model Rocket Motors (Package of Two)
Quest's Q-Jet 18mm model rocket motors use an aerospace-grade composite propellant. Q-Jets generate a highly-visible exhaust plume and delay smoke...
$9.34 $8.87
5% off
... more info

1 2 3 4

1–10 of 40 items