effect. The company claims an Oswald efficiency number of 1.45 for its boxwing design. Other claims include increased efficiency, 30% lower weight, reduced...
35 KB (4,199 words) - 20:07, 17 August 2024
Schulz, Dieter. "The complete history of the Sunny-Boxwing by Tandem Aircraft KG". www.sunny-boxwing.de. Retrieved 24 April 2018. "Airkraft". Internet...
7 KB (504 words) - 19:21, 13 April 2023