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Re: Identity Needed Biplane Photo
Well Clint, your questions are a bit tricky to answer since very little details are to be found in my reference literature.
The so called armor, was in fact stiff canvas and as far as I can read it never got anywhere close to getting any real armor.
In all honesty I cannot remember the US Army giving out such a specification as for an armored aircraft, but then again I am not specialised in the US Signal Corps activities so it may have slipped my memory (quite common these days I might add....)
The T stood only for tractor, plain and simple, and to me it seems Martin used it for whatever tractor aircraft he built back then.
As I said I am simply quoting what my meager sources state. There were seven of them in total, and this was one of them.
It also seems his designation system was very simple.
T = Tractor
TA = Tractor Army
TT = Tractor Training
S = Seaplane
R = Reconnaissance
GMB = Glenn Martin Bomber
MB = Martin Bomber
Not sure if this answer your questions, but I simply don't know anything more.
Cheers
Stig
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