Okay; one more. Thanks; Ernie P.
What warbird do I describe?
Clues:
1. This aircraft served in WWI.
2. It was a single seat “scout” aircraft.
3. It was powered by a rotary engine.
4. Armament varied; usually one or two machine guns.
5. It was a sesquiplane design.
6. The wing area was just under fifteen (15) square meters.