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Post by JamesCentral on Jan 18, 2022 9:04:01 GMT
The S isn't part of the number, it's a code to show which manufacturer the engine was supplied to. He is from Australia could the S or 586 be significant there?
I think the S is for New Hudson. I've not analysed these letters but I know that Jameses often have a J stamped on them; I think D & E could be Francis-Barnett & Excelsior respectively. The letters become redundant when the number prefixes start because Villiers started using a different number for each manufacturer. 586 on New Hudson, 434 on Francis-Barnett, 437 on Excelsior, 439 on James, &c. 586 engines appear in 1947 but I'd guess that 586/9176 is 1948. But ... engines get changed and they weren't necessarily fitted in numerical order anyway so, as you say, frame number is the better indicator.
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Post by davwat on Jan 18, 2022 21:30:40 GMT
He is from Australia could the S or 586 be significant there?
I think the S is for New Hudson. I've not analysed these letters but I know that Jameses often have a J stamped on them; I think D & E could be Francis-Barnett & Excelsior respectively. The letters become redundant when the number prefixes start because Villiers started using a different number for each manufacturer. 586 on New Hudson, 434 on Francis-Barnett, 437 on Excelsior, 439 on James, &c. 586 engines appear in 1947 but I'd guess that 586/9176 is 1948. But ... engines get changed and they weren't necessarily fitted in numerical order anyway so, as you say, frame number is the better indicator. Thanks for the above: and from my records I have R425/2300 on a Raynal.
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