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AlexanderHowl · 12-23-2020, 05:49 PM

A classic O'Neill Cylinder is going to mass around 10 billion metric tons when you account for atmosphere, habitation, structure, and shielding, so it will be a SM+22 structure by mass (volume does not really matter for Spaceships). With a 4 km radius, the RPM is 0.47 for 1g.

12-23-2020, 05:49 PM	#5
AlexanderHowl Join Date: Feb 2016	Re: GURPS O'Neill Cylinder Design A classic O'Neill Cylinder is going to mass around 10 billion metric tons when you account for atmosphere, habitation, structure, and shielding, so it will be a SM+22 structure by mass (volume does not really matter for Spaceships). With a 4 km radius, the RPM is 0.47 for 1g.