Ogre
Well-known member
- First Name
- Dennis
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The diameter of the spool is irrelevant to the size of the end product. The steel has to be straightened out somehow because a spool of steel has varying diameter. The steel the inside of the spool has a smaller diameter than the steel on the outside.The spools would need to be small enough that they can fit on a flatbed truck and be transported on a highway. The SpaceX rocket boosters are MUCH more than 20 feet in diameter.
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