The props both spin at about 7000 rpm, but they haven't been properly calibrated yet, so we may get quite a bit more power out of them.
Videos:
http://www.youtube.com/watch?v=mlUPGUfgrHo#
http://www.youtube.com/watch?v=crKvPEwvf-U
And for those safety nazis -- why yes we do have a safety cage for it
