Do you keep them locked in? asked Mrs. Kenyon, surprised. It was at the conclusion of these experiments of 1903 that the brothers concluded they had obtained sufficient data from their thousands of glides and multitude of calculations to permit of their constructing and making trial of a power-driven machine. The first designs got out provided for a total weight of 600 lbs., which was to include the weight of the motor and the pilot; but on completion it was found that there was a surplus of power from the motor, and thus they had 150 lbs. weight to allow for strengthening wings and other parts.  When will it be known positively, papa? I have received no letter, answered Oliver, rather surprised. There is the bald narrative, but it is worthy of some amplification. If Ader actually did what he claimed, then the position which the Wright Brothers hold as first to navigate the air in a power-driven plane is nullified. Although at this time of writing it is not a quarter of a century since Ader鈥檚 experiment in the presence of witnesses competent to judge on his accomplishment, there is no proof either way, and whether he was or was not the first man to fly remains a mystery in the story of the conquest of the air. 2019中文字字幕在线不卡_中文字幕AV 鈥楶ardon me, I was speaking to Miss Prioleau, and I trust she will give me the answer herself.鈥? I suppose he does, said Oliver quietly. "It isn't the first attempt he has made to order me around." Horatia. [Aside.] Traitor! Oliver thought this, but he did not say it.