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1、莱特兄弟—WrightBrothers1.WrightBrothers-BirdsofaFeatherTheWrightBrothersspentagreatdealoftimeobservingbirdsinflight.Theynoticedthatbirdssoaredintothewindandthattheairflowingoverthecurvedsurfaceoftheirwingscreatedlift.Birdschangetheshapeoftheirwingstoturnand
2、maneuver.Theybelievedthattheycouldusethistechniquetoobtainrollcontrolbywarping,orchangingtheshape,ofaportionofthewing.莱特兄弟-鸟类的羽毛 赖特兄弟花了大量时间观察飞行中的鸟类。他们发现，鸟类腾空风和，空气以上的翅膀曲面流动创造电梯。鸟类改变它们的翅膀形状的转身动作。他们认为，他们可以利用这种技术来获取变形或改变一个形状的机翼部分，滚转控制。2.In1899,afterWilburWr
3、ighthadwrittenaletterofrequesttotheSmithsonianInstitutionforinformationaboutflightexperiments,theWrightBrothersdesignedtheirfirstaircraft:asmall,biplanegliderflownasakitetotesttheirsolutionforcontrollingthecraftbywingwarping.Wingwarpingisamethodofarchin
4、gthewingtipsslightlytocontroltheaircraft'srollingmotionandbalance.1899年，莱特兄弟后写了有关飞行试验资料的请求书的史密森研究院，莱特兄弟设计了第一架飞机：小，双翼飞机滑翔风筝，以测试为控制由机翼翘曲飞行船他们的解决方案。机翼翘曲是一个拱形的翼尖稍微控 制飞机的摇摆运动和平衡的方法。3.WrightBrothers-GlidersOverthenextthreeyears,WilburandhisbrotherOrvillewould
5、designaseriesofgliderswhichwouldbeflowninbothunmanned(askites)andpilotedflights.TheyreadabouttheworksofCayley,andLangley,andthehang-glidingflightsofOttoLilienthal.TheycorrespondedwithOctaveChanuteconcerningsomeoftheirideas.Theyrecognizedthatcontrolofthe
6、flyingaircraftwouldbethemostcrucialandhardestproblemtosolve.莱特兄弟-滑翔机在未来三年内，他的兄弟威尔伯和奥维尔将设计出这将是在这两个无人（如风筝）和航班的飞行驾驶滑翔机系列。他们阅读有关的凯莱，和Langley的作品，和悬挂式滑翔奥托利林塔尔航班。他们对应的八度夏奴特关于他们的一些想法。他们认识到，控制飞行的飞机将是最关键，最难解决的问题。4.Followingasuccessfulglidertest,theWrightsbuiltand
7、testeda full-sizeglider.TheyselectedKittyHawk,NorthCarolinaastheirtestsitebecauseofitswind,sand,hillyterrainandremotelocation.滑翔机试验成功后，莱特兄弟制造和测试的全尺寸滑翔机。他们选择他们的，因为它的风，沙，丘陵地形和位置偏远小鹰试验场，北卡罗莱纳州。5.In1900,theWrightssuccessfullytestedtheirnew50-poundbiplanegli
8、derwithits17-footwingspanandwing-warpingmechanismatKittyHawk,inbothunmannedandpilotedflights. Infact,itwasthefirstpilotedglider.Basedupontheresults,theWrightBrothersplannedtorefinethecontrolsandlandinggear,andbuildabiggerglider.1
