All Springer/NP/PCP Air Gun Discussion General > Machine Shop Talk & AG Parts Machining

7075 aluminum

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The rear axle is the crankshaft. Double acting single cylinder wobbler. The whole car is only 5 inches long. Not painted yet here. The whole thing is soldered together including the engine.  Only machine used to make the engine was my drill press. Lathe not necessary. Wheels and tires are model aircraft. Sheet metal from a metal 5 gallon paint bucket. One single peice was folded up and soldered.


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