(222/235) 2025-10-29_13-00-19.jpg

aluminum tape on gauge block to lap 25-50mm micrometer - didn't work well..

221: Finished - there was porosity on the original metal side of the weld.. Hope it works.
220: Hobbing spline setup
219: Using (miss using?) tread micrometer to get the depth right. Cut depth appears to be about 0.7mm.
218: Welding setup
217: 4mm turned out to be too small.. a bit of warping
216: Ready to make the spline shaft.
215: Finished arbor
214: Cutting the key in the arbor
213: Turning the arbor for cutting splines
212: Checking out the sine plate

223: Soviet gauge block certificate.
224: Soviet gauge block certificate.
225: Soviet gauge block certificate.
226: Set up double wall tumbler to sand for prep of powder coating.
227: 3mm synthetic sapphire balls want to escape.
228: They sent me the wrong tail-light -
229: 2025-11-14_19-04-00.jpg
230: 2025-11-20_20-23-45.jpg
231: 2025-11-22_17-58-23.jpg
232: Setting up 4 Lenovo M900s