The only connection between Apis and DG is that the DG 1000 Turbo is going
to use the same engine/propeller combo that the Apis uses to self launch.
As follows.

B. The Power Plant
We did an extensive market research for existing modern auxiliary power
plants, not to invent the wheel again. This lead us to the power unit of the
ultra light glider APIS, developed and currently under test by Martin Wezel
of Wezel Flugzeugtechnik (Wezel Aircraft Technologies). Since this engine
allows self-launches of the APIS, we are confident it is well suited to add
the return flight capabilities to our two-seater. Therefore we started the
collaboration between Wezel Flugzeugtechnik and DG Flugzeugbau.

Core of the power unit is a single cylinder two-stroke engine from
Goebler-Hirth, with a directly attached 2.5:1 reduction gear. The engine is
currently certified for ultra lights, we need to extend this certification.