>Scaling helps here too, as volume increases to the third power while wall area increases to the second. Not really. As surface increases the wall tearing forc

>Scaling helps here too, as volume increases to the third power while wall area increases to the second. Not really. As surface increases the wall tearing force at the given pressure is increases too, so you have to increase the wall thickness, and thus the mass of the tank also grows close to the third power.