The Dunstable Devil, also known as the Hyper-Hols, was a modified Hors-der-Teufel built by D.G.Hiscox and first flown on 19 August 1934.
It featured a streamlined fuselage nacelle, strutted rear fuselage, and twin fins and rudders.
Only one glider was so modified. C of A BGA.238 was issued in November 1935.
All Aero 