That’s because he misspelled it. The name is DAKOROMAN, and a search under that will yield better results.
The Dakoroman Drive System represents a light-year leap in unicycling hub design, rendering Schlumpf and all earlier geared hub systems obsolete. The design is so far ahead of its time, most RSU denizens fall short of the intellect needed to absorb it conceptually.
There are many threads which discuss the DDS, but this one is representative.
I believe reprah was able to complete a working prototype in his garage, although the residual energy shorted out much of his home’s electrical system.