In article ,
Charles Talleyrand wrote:
My list of revolutionary fighters
I-16 (I'm told this one)
Me-109 (first low-wing retractable gear used in large quantities)

First low-wing, unbraced, retractable-gear monomplane fighter to be used
in large quanitities was the i16..

--
Andy Breen ~ Interplanetary Scintillation Research Group
http://users.aber.ac.uk/azb/
Feng Shui: an ancient oriental art for extracting
money from the gullible (Martin Sinclair)