Below spare condition
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J pole child (J-Pole) aerial blasts off by wave of a 1/2 yuan match with drive of wave of a 1/4 implement form, it is equal in value at from extreme drive occasionally extremely aerial, because of its conductor shows J model, reason calls J pole child. Right graph A is a J pole child aerial example, b is the J that makes with the copper cash of diametical 3-10mm or copper pipe extremely child aerial (apply to high-power) . What a kind of spare condition falls introduce to make below " J " model the method of aerial, be modelled on for lover.
Can maintain a shop to buy following material from refrigeration equipment above all: 3.5m of 10mm refrigeration copper pipe; Bend of form of U of form a complete set.
Making everybody careful see U head and copper pipe is how connective.
Mix wall of copper pipe inside and outside again stannum of evade of wall of U form head. (proposal first first after burnish of fine sanded skin, welding flux is aided on besmear, with high-power electric iron evade stannum)
Use gas welding next or light gas cooking stove to solder: evade stannic copper pipe inserts U head, heat in furnace burning gas at the same time, make stannum all and fused, adjust good point of view, shut furnace, make copper pipe and stannic nature cooling. (must notice safe) |
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