Uploaded June 2025 | Updated September 2026, 4 hours ago

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This didn't work out as I expected.
Producing cylinder heads for my 1920 Redrup Radial replica motorcycle engine build.
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00:00 - Intro
00:47 - Green sand or petrobond
01:52 - Moulding cylinder head castings.
03:37 - Pouring castings.
05:25 - Green sand v Petrobond
07:35 - Fettling and de-gating
08:33 - Casting inspection
11:36 - T5 heat treatment
12:17 - Mail time
12:38 - Machining strategy
14:25 - Machining the first fixture
16:35 - What moved?
17:13 - Tramming the mill head
18:44 - Milling the clamp features on the fixtures
19:28 - Mill Crash
22:54 - Cylinder head - 1st operation
27:59 - Mill operation 2 - Drilling and counter-boring
33:20 - Pattern error
34:21 - Second fixture plate
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Music:
D Mills - Our Dance
Florian - Bun Fyah
Hot Rod Elegants - Nuh More
Young Lords - Someone Else