What I like the most from the article is the part about scratch building of the "lost" details. How often we see posts on forums asking for help, because some detail got lost. With little bit of internet search and some work a new part can be built, which may look even better than the lost original one. The author definitely didn't have a heart attack from losing a couple of parts! Kuddos for that!
I only would like to add that "the two white scratch-built parts on the rear deck" are not to fill with fuel, but to adjust the rear suspension shock absorbers.
I wouldn't put too much trust in your historical sources, though.
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"By the onset of the German invasion of the Soviet Union in June 1941, and with tank losses soaring higher and higher, the BT-7 was still in full production."No BT-7 was produced past September of 1940 as the T-34 started to go into mass production.
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"By the time of the Battle of Kursk, the BT-7 was making up nearly half of the armor in the Soviet Army."Hardly over 5,000 BT-7 were produced at all time, and most of them lost in 1941-1942. More than 15,000 T-34 were built before 1943; plus, another 15,000 were built in 1943 alone. Plus all kinds of light tanks, KV tanks and SPGs. Not exactly "...BT-7 was making up nearly half of the armor...".
Anyway, great build! Thanks for sharing with us!
And good luck on your future projects!