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N71370 - 1946 Clipped Wing Piper J3 Cub
History
This airplane is a tribute to one of the finest aerobatic/air show pilots of the 1960’s, Harold Krier. Harold originally had two clipped Cubs. He built the first one to be used in his air show act, but sold it when he moved into more exotic, higher performance airplanes. He then built a second clipped Cub with the special goal of teaching his niece and nephews to fly.
He had intended to solo his nephew, Marc Krier (Ashland, KS), in this second clipped Cub. Unfortunately for Marc, he never got the chance due to Harold’s untimely death in 1971 when his chute didn’t deploy while spin testing an aerobatic special.
When Marc started flying in 1988, he wanted to either restore one of Harold’s old clipped Cubs or build an exact replica of one. Since the owners of the original Cubs didn’t want to sell Marc one of them, he did the next best thing…he built this replica in 1989.
N71370 began life on October 18, 1946 as a Ponca City, Oklahoma cub, NC3476K. When Marc had to choose between which Cub to replicate he decided to use the best features of both of Harold’s original airplanes and paint it like the second one in the Bill Sweet’s National Air Shows scheme. The conversion to a Reed clipped Cub included taking 40 ½” out of the root of each wing, doubling up the ribs, and putting a vertical steel channel stiffer at the outer end of the strut fittings to make up for the different strut angle to the original fittings. Plus a notch in the lower door to clear the strut.
Like Harold’s original, N71370 has a Continental C-90. This replica, however, houses a C90-14FJ with Ex-Cell-O fuel injection and a flop tube in a header tank for inverted fuel. It also has balanced Tri-Pacer tail surfaces, a PA-11 nose bowl, PA-11 bungees, PA-12 wheel pants, gap-sealed control surfaces, and the canvas sling back seat was replaced with a stiffer aluminum sling which keeps your backside out of the bellcrank when coming out of loops, just like Harold’s Cubs.
At EAA AirVenture ’99, N71370 won Best Custom Class B (81-150hp) Classic airplane.
Specifications
| Aircraft Manufacturer: | Piper | Owners: | Adam Smith & Gregg Deimer | |
| Aircraft Model: | J3 Cub w/ Reed Clipped conversion | City, State: | Oshkosh, WI | |
| Year Built: | 1946 | S/N: | 22167 | |
| Engine: | Continental C90-14FJ w/ Ex-Cell-O fuel injection | Wing Span: | 28.5 feet | |
| Horsepower: | 90 | Empty Weight: | 792 lbs. | |
| Cruise Speed: | 100 MPH | Gross Weight: | 1220 lbs. | |
| Landing Speed: | 55 MPH |


Builder of N71370 - Marc Krier

Continental C90-14FJ

Krier Cubs
The Ferry Flight Home
My photos from the trip to get the cub back to its new home, OSH. My intention was to
take pictures at every stop, but that didn't so much happen...
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