I’m looking for a better quality drawing cross-section or photos 20 mm Madsen tracer round - “T-2”.
In particular I am interested in the construction of the closing the sleeve with tracer mass.
Shell black painted with red-green top.
In 23 mm Madsen i think is a similar 23mm Madsen (Sectioned)
Simplified drawing from the analysis:
I found this topic: Coat of many colors or colours
This is experimental “T2” round “only in Kynoch” made manufacture?
In report from Aberdeen Proving Ground, 8.11.1940 is in list with other type rounds: