Cygnus - Klima€31.90
Equinox - Klima€27.50
Estes motors B4-4
Average duration for any type of rocket. One of the most versatile engines, suitable for the most part of rockets made for 18 mm motors.
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When to use this engine
It is a universal engine, required by a large part of Estes and Klima rockets. It is suitable for the vast majority of rockets with 18 mm motor support and weighing less than 100 gr. In addition, its slightly longer burntime can help to reach a higher altitude.
Package contains 3 engines, 3 starters, 3 plugs for starters.