Uploaded July 2025 | Updated September 2026, 5 hours ago

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I finished my redesign, and then found new info about the 1920 Redrup Radial motorcycle engine, and had to change the design again.

Louis, who informed me about that auction, and did those sketches also did a fantastic De Valiere lathe overhaul which he documented here:
usinages.com/threads/de-valliere-h130c-de-louis_s.140100
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00:00 - Intro
00:20 - 3D printing patterns
03:04 - Oddside
05:52 - Redrup radial at auction
08:16 - Louis' drawings
09:18 - Mailtime
14:05 - Pouring the moulds.
14:45 - De-gating and inspection
16:11 - Duh!
16:37 - Fixturing for milling
17:39 - Dial stand cosine error
18:45 - Mill set up.
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Music:
Energy Plus - Gungo Peas
Florian - Kilimanjaro
Igor Vitte - Malibu
Tristan Barton - Our Days
20:36 - Tool length offset sensor.
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