RRG Delta I
| Delta I | |
|---|---|
| The motorized Delta IM | |
| Role | experimental delta wing aircraft |
| National origin | Germany |
| Manufacturer | RRG |
| Designer | Alexander Lippisch |
| First flight | 1930 |
| Number built | 1 |
The RRG Delta I was a German experimental tailless aircraft flown in the early 1930s first as a glider and then powered. It was one of the first delta wing aircraft.