There is more info on Paul Mc Cready's web site.
Cited from Paul's web site:
It demonstrates what
can be done with low power, when new concepts of efficiency are unleashed
by challenges not burdened by constraints from narrow rules or the need
for commercial production.
Contributors to this page: Thomas Yost (TDY), Patrick Poirier (PPR), Gerald Maroske (GUM) and Hendrik Maroske (HHM)