Why, do you have your own foundry to pour metal,and have it rolled into a sheet? If you don't, then you can't. Period. You have to buy sheet metal from suppliers who deal in it. You just give them your requirements, and they'll supply you with the sheet or tubing required, for a price of course. If you want to make your own metal, good luck, let us know how that turns out. - The Gremlin Guy -
Generally aluminium is used for making aeroplanes. TO be specific Duraluminium is used in the construction of the aircrafts body. This has a property of great strength and light weight and hence is suitable for aircrafts. For smaller aircrafts a special fabric is generally utilized for covering up the frame work.
You don,'t, the aluminum used to make aircraft is specially formulated, formed by extrusion and/or rolling and heat treated. The stuff is really high tech and it is made with high tech equipment this isn't a do it yourself kind of project.
