What I am referring to what I understood what Ocroft essentially did(as far as I understood it then):
After having invested his money on the Dip Method he described he would execute a "sell all" at 20% profit.
The method you refer to is essentially unknown to me, although I may have causally read about it and then forgotten about it. . . I have forgotten a lot of what I read over my lifetime :-(
In any case, Ocroft did not buy during an uptrend. . .or at least not systematically.