Okay, I found the original doe_qc.zip source code online: http://www.gamers.org/pub/idgames2/more_idstuff/doe_qc.zip
Copied buzzsaw.qc into my code and ran it. Buzz saws still hovering about 16 units above the tracks they should be in the Last Bastion (r2m7). Found doe progs.dat (dated 2008 from when I copied it off the CD, verified the same size as in the pak0 under rogue directory) and it does the SAME THING!!
Is this Darkplaces only related?