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Old 29-06-12, 10:27 AM   #1
NZ1929
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Default BSA Industrial Engine

Hi, I have just purchased a BSA Indrustial engine. It has the brass info plate and the serial number A.5715 on it. Is there any way of dating this unit?
Thanks Brent
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Old 29-06-12, 11:11 AM   #2
416792jim
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Default BSA engine A 5715

Hi Brent,
Your engine is a 320cc shallow sump model A, and I would say that it dates to around 1950. I keep a register of all BSA models and have the helpline in Stationary Engine magazine here in the U.K.
If you look on the top of the cowl sort of diagonaly between the spark plug hole and the rear bolt for the fuel tank there should be stamped into the metal, an oval mark with the letters AJH and a date. This mark also appears on the underside of the fuel tank near the outlet. So far I have not been able to discover who made these marks. These marks also appear on some J.A.P. engine cowls and on Petter A model internal tinwork.
Sometimes the marks are faint. Hope that helps.
Regards, Jim Anderson.
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Old 29-06-12, 11:33 AM   #3
nickh
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Jim,

Sorry to hijack thread, but I think a penny has just dropped. Was it you I corresponded with back in the days of pen and paper regarding early (WWI) Douglas oiling system?

Nick Highfield.
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Old 29-06-12, 10:36 PM   #4
416792jim
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Default Early Douglas

Hi Nick, yes that was me. Still got them.
jim.
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Old 07-07-12, 08:52 AM   #5
NZ1929
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Thanks for that. It's pretty rusted and when I get time I will look for the marks. It is missing the tank so i will need to make or find something similar to fit on it.

Brent
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