(154/325) 2022-08-17_12-50-40.jpg
retro-fitting LiFePo4 batteries into my UPS
153: lapping with polyester film on top of a grooved lapping plate.
152: Testing Ph of degreasers
151: fly cutting - came out well
150: fly cutting soon to be lapping machine table. Figguring out how to hold the part is alway the hardest bit.
149: fly cutting soon to be lapping machine table. Unsupported corner ended up with just a hint of chatter marks.
148: Vanessa found a Durian sign
147: Bad drill bit - brand new - 7.5mm but cuts at over 8mm.
146: Setuo for drillin off-center hole in end of rod.
145: Cutting dead tree down Ran out of steam..
144: Cutting dead tree down Pretty good sized job for an old fart.
155: This came new out by 0.5 degrees. Fly cut true.
156: This came new out by 0.5 degrees. Fly cut true.
157: retro-fitting LiFePo4 batteries into my UPS
158: retro-fitting LiFePo4 batteries into my UPS
159: Drilling rubber corks with brass tube. Makes pouring cream in my coffee Much more controlable.
160: Drilling rubber corks with brass tube. Makes pouring cream in my coffee Much more controlable.
161: This was $40 + $15 on ebay. Turns out is is some kind of reference - calibration sticker on the inside. Taft-Peirce MFG Co. - Company disloved in 1995 - some products moved to Suburban tool. Supposed to be precision. Rust damage..
162: LiFePO4 conversion - lots of room left in battery cabinet.
163: LiFePO4 conversion. Made brass strips to clamp the terminals. Messy wiring.
164: 2022-09-16_23-31-55.jpg
