Rocketry Glossary
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Anti-Spiral
Raised spirals found on some non-rocket tubes such as mailing tubes, etc. The opposite of a 'standard' spiral. Spirals and anti-spirals do not cancel one another.
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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