You are a very creative person, very capable hands and admire. 1 some advice; Coke plastic bottles flexible in pressure vessels NA do another metal containers. The 2 inflatable for connecting foot steam pipes, and valve core combination gas by the (foot pump) to master. "Foot pump bicycle" 3-way valve unchanged. Explain; erupted flame should be blue, the pressure jet flame to welding, need inflated amount to increase, the pressure before the nozzle aperture narrow form a jet state. The tin welding torch, welding high melting point components inflatable end selection appropriate pump.