In 1973 the DG-100 was the first sailplane produced by Glaser Dirks (now DG Flugzeugbau GmbH) and was based on the Akaflieg Darmstadt D-38 which Wilhelm Dirks designed before forming Glaser- Dirks Flugzeugbau GmbH.The construction is in GRP and has an all flying tailplane. In addition, the DG-100 had Schemmpp-Hirth type tope-surface airbrakes and a divided canopy which was used only on this sailplane and the DG-200. Variants of DG-100, were the DG-100G, The DG-101 and DG-101G have improvements such as a single piece front hinged canopy, , automatic trim, improved crash resistant cockpit and, with the DG-100G and DG-101G, a conventional tailplane with fixed horizontal stabiliser and elevator ("non-all-flying-tail"). The DG-100 Club is an unballasted, fixed gear version with a gross weight of 385 kg / 849 lb