The inflight Cub propping was a common airshow routine.
The wreck was:
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Burnelli RB-1 (Burnelli)
RB-1 aka Remington-Burnelli 1920 = 27pCB; two 420hp Liberty 12; span: 74'0" length: 42'0" v: 105/90/45 range: 760. Cabin width: 14'7" length: 16'0". First airfoil-shaped "lifting body" fuselage with motors mounted side-by-side in the nose. POP: 1, crashed during testing because of inadequate tail control. Burnelli applied for a patent on his all-wing design on 1/6/21, but it wasn't until 5/13/30 that he was finally issued US patent #1,758,498.
Burnelli RB-2 (Paul Matt via Avn Heritage)
Burnelli RB-2 Nose close-up (John Diele coll)
RB-2 Freighter aka Remington-Burnelli 1923 = RB-1 with improved control surfaces; two 650hp Galloway Atlantics; span: 80'0" length: 46'0" load: 6700# v: 110/90/x. Reportedly repowered with 600hp Rolls-Royce Condors. Gross wt: nearly 9 tons, empty wt: 5 tons! Corrugated metal construction with dural skin replacing fabric covering; 18' x 14' passenger cabin accommodated 25 with standing headroom. Convertible to a crew of three and 6000# freight. When Remington dropped out in 1924, operations continued as Garvan-Burnelli. POP: 1.
From Aerofiles:
http://www.aerofiles.com/aircraft.html