The first batches of Spitfires left the factory with manually powered gear pumps, which were adapted from units sourced from Supermarine Walruses --with the expedient of bending the long pump handle nearly 90° to fit in the cramped Spitfire cockpit.
Our version comprises three printed pieces, with axles (and optionally pushrods) to be created with brass tubing or wire. Carefully assembled, the pump lever can swing freely and the selector lever can move and lock into each of the two detents.
Flugzeugwerke is what I called my Shapeways shop, specializing in 3D detail parts for 1/32 scale Wingnut Wings WWI airplane kits. And for awhile it was a great ride — I designed stuff, uploaded it, they printed and shipped and let me collect a little markup. Nothing lasts forever, though; Shapeways, for reasons of their own, enacted policies that made it less and less viable to create parts for this market. With the demise of Wingnut Wings it seemed my niche market would evaporate completely,
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