N41LR is a 2019 Airdrome Aeroplanes SOPWITH BABY. It is a fixed-wing single-engine aircraft with 2 seats, powered by a Rotec R3600 rated at 150 horsepower. The registration is active, with the registrant based in Raymore, MO. Its experimental airworthiness certificate was issued in Jan 2020. It has been registered to its current owner since Jul 2019. This page also carries 1 NTSB event.
- 7 years old
2020
2019
That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N41LR's record changes.
The pilot departed on the airplane's initial test flight in a tailwheel-equipped biplane. At the speed when the tailwheel lifted from the runway, the airplane began an uncommanded left roll. The pilot attempted to arrest the roll moment but was unsuccessful. He aborted the takeoff but lost control of the airplane as it settled down in a crab. The airplane exited the side of the runway and resulted in the failure of the left landing gear, and subsequent nose over of the airplane. The lower left wing sustained substantial damage.
The airplane builder conducted a post-accident examination and reported that the right wing had a different "angle-of-attack" then the other wings, due to a construction error. This difference likely resulted in the uncommanded left roll during takeoff. This rolling tendency was not detected during the previous four high-speed taxi tests..
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