“No data on air propellers was available, but we had always understood that it was not a difficult matter to secure an efficiency of 50% with marine propellers.Quote by Orville WrightTopics: Quotes about Orville WrightShare on:FacebookPinterestWhatsApp
Isn't it astonishing that all these secrets have been preserved for so many years just...#Orville Wright
With twelve horse power at our command, we considered that we could permit the weight...#Orville Wright
