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18mm x 70mm

Standard 18mm Diameter Model Rocket Motors


Manufacturer Product Image Item Name Price
Estes Blast-Off Flight Pack Motors (Bulk Package of 24)

Blast-Off Flight Pack Motors (Bulk Package of 24)

The Estes Blast-Off Flight Pack is an assortment of our 24 of our top selling model rocket motors plus igniters and recovery wadding. The package...
$69.99
Save: 18%
Our Price: $57.50

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Estes 1/2A6-2 Motors (Package of 3)

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...
$10.29
Save: 13%
Our Price: $9.00

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Estes A8-0 Motors (Package of 3)

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...
$10.29
Save: 13%
Our Price: $9.00

... more info

Estes A8-3 Motors (Package of 3)

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...
$10.29
Save: 13%
Our Price: $9.00

... more info

Estes A8-5 Motors (Package of 3)

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...
$10.29
Save: 13%
Our Price: $9.00

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Estes B4-2 Motors (Package of 3)

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...
$10.79
Save: 12%
Our Price: $9.50

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Estes B4-4 Motors (Package 3)

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...
$10.79
Save: 12%
Our Price: $9.50

... more info

Estes B6-0 Motors (Package of 3)

B6-0 Motors (Package of 3)

The Estes B6-0 engine is a booster stage model rocket motor. This motor is for flights in rockets weighing less than four ounces (including the...
$10.79
Save: 12%
Our Price: $9.50

... more info

Estes B6-4 Motors (Package 3)

B6-4 Motors (Package 3)

The Estes B6-4 engine is a single stage model rocket designed for flights in rockets weighing less than four ounces (including the engine). Each...
$10.79
Save: 12%
Our Price: $9.50

... more info

Estes B6-6 Motors (Package of 3)

B6-6 Motors (Package of 3)

The Estes B6-6 engine is an upper stage model rocket motor that can also be used as a single stage motor in lightweight rockets. Each package...
$10.79
Save: 12%
Our Price: $9.50

... more info


Most standard model rocket motors (such as the ones manufactured by Estes or Quest) are 18mm x 70mm in size (about .71 inches in diameter and 2.76 inches in length).



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