[ARC5] Fwd: [Milsurplus] More Moron-ities. This Will Turn

[WA5CAB at cs.com]

Very early models began with .30 caliber.  Later ones .50 caliber.  There 
were also engine and turbocharger changes, as there were in many aircraft 
models during the course of the War.  Which among other things raised the 
allowable gross takeoff weight.  

In a message dated 10/23/2011 11:25:27 AM Central Daylight Time, 
gewhite at crosslink.net writes: 
> I think the B-17's guns were 50 caliber, not 30 caliber.
> ref /The American Bomber Plane,/ by A.E. Williams, Metro Books, NY, 2009
> 
>   - Gordon White

Robert Downs - Houston
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