Antonov An-22 (or Tupolev Tu-95) NK-12 Model Propellers

25-Jan-2017 update: I took down the video of the props working due to another issue I had with Youtube. Sorry about that, but the video is no longer available.

28-Jan-2014 update: The thing is finished and tested. Two more changes made to the cooling spacer and the rearward spacer. Watch video of the test run (pardon the crude setup - just using the tools available at hand) - http://youtu.be/tcZVFtfykug

24-Jan-2015 update: After printing all of the components and mounting them on the mot