Gil, I looked up the Pioneer II and the Carbon Dragon. Only the Pioneer is a tailless, unless I'm mistaken.
Jim Marske is
cited on the Nurflügel site as one of the "
most inventive and prolific" followers of Charles Fauvel. Among his designs pictured the Pioneer II and the Monarch stand out.
I attach a few photos of them. The three first are of the Pioneer, and the two next of the Monarch. Finally two small three-views of both aircraft from the Nurflügel site (link above).
Leif