Pappy,
I understand your frustration regarding verification of materials claimed. The fact is, that there is NO SINGLE reference available to us for ALL the vehicles used in WW2. This is the case for the U.S. not withstanding all the other interested parties involved in the war.
There were too many varients, models and manufacturers of the equipment for STOCK production to keep it all in one volume. Field modifications throw another rock in the pond as that will make a significant change in the vehicles effectiveness.
Allied info was easier to obtain than axis evaluations. Allied evaluations of axis material was often "slanted" to make it look less threatening and boost morale. Example, Japan was just copying U.S. planes and couldn't POSSIBLY have a superior plane than the Allies.
Of course the victor gets to write the history and that puts an angle on things too.
Given the scope of engineering and scientific advances during this time period as well as all the changes during production by ALL the parties, you ain't gonna get one referance!

We just gonna have to keep squabbling about it and get along as best we can.

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No Mercy Asked, None Given, Just pass the ammo
[This message has been edited by Maverick (edited 07-30-2000).]