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81 mm Smoke Generator

The GP projector is classed as high explosive calling for a red ring. Later markings would also have a brown ring indicating low explosive smoke composition.
 
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The GP projector is classed as high explosive calling for a red ring. Later markings would also have a brown ring indicating low explosive smoke composition.

surely HE would have a Yellow band,, Red would be for incendiary or incendiary effect ..
 
The red band would have been for incendiary up to the end of JSP316, but this was replaced by the DEF STAN 08 - 10 marking system.
The body is Eau-de-nil indicating smoke and the red band is hazard band indicating the presence of explosive.
Although the Def Stan did not come into print until 1988 there was a lengthy gestation period and ammunition was being marked to it well before the first sections were printed.
 
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What might be complicating matters here is that the item is of South African origin (R1M1). Having become a Republic in 1961, who knows who's, if anyones, marking standard they follow.

Consulting "Joint Services Ammunition and Ammunition Markings Handbook 1964" (The contents are a bit of an issue, as there are pages dated 62, 64 and undated), is very confusing. There are two shades of green mentioned for smoke pyrotechnics; Sea Green (BS 381 217) and Eau de nil (BS 381 216)(Light Green). Sea Green and Eau de nil are very close in colour.

Scannen0005.jpgScannen0002.jpg
Note mention of Brown hazard ring in second image.

However, explanation of red ring below
Scannen0010.jpg

Lastly examples, (the green depicted is meant to be Sea Green)
Scannen0025.jpg

AE501 and Spotter thanks for your input.

TimG
 
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