7 Cylinder Radial Engine Model - upgraded driveshaft
Description
I think the original model was great, but the pin that led to the handle was brittle, and just didn't work well. So I made the pin into a bolt, added threading to a beefed up handle. I upgraded the rotor to take the larger pin, and strengthened it a bit as the hole was now bigger. Works a treat. I print the pin, and handle at .1mm, 40mm / sec to ensure good threads, your mileage may vary. The handle requires supports. The rest I print at .2mm
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