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retro-fitting LiFePo4 batteries into my UPS
156: This came new out by 0.5 degrees. Fly cut true.
155: This came new out by 0.5 degrees. Fly cut true.
154: 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.
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
165: Micrometer head from the 80s - hand laid out traces - looks like this board often shorted on the metal - needed thicker stand-offs. Early optical encoder - not repairable without spending a days redesigning.
166: Boring bars gifted from Art - cleaned and oiled.
167: Plenty of Lathe cutters - for a guy still without a lathe.. Some gifted from art.
