T O P I C R E V I E W |
blackknight |
Posted - 11/13/2011 : 07:41:09 ¨ä¹ê¿W¥ß¸¹ªº°ÝÃD¤£¬O¦hÅé
¦Ó¬O²îçF¬O¶É¨¤¦¡ ¦Ó¤£¬O±×¨¤¦¡
³oÅý¦o¦b¤ô±¤W§ó®e©ö"·Æ°Ê" ¦ý¬Oéw©Ê¨S¦³°ÝÃD
¦]¬°¦hÅé²î´N¬O§Q¥Î¦h¿´«¤ß©M¤j«¤ß±¿n¨ÓÀ³¥I¦b§C¦Y¤ô:§C¤ôªý¤U¯àݨ㫤ßéw©M¤ô½u¤W¦w©w
¤ñ¸û³Â·Ðªº¬O®ü¶H¤Ó´c¦H¤U ¦hÅé²î·|¦³®ö©Y¹ï²îÅ馳§«Ãª¶i¦Ó³y¦¨¦b´c¦H®ü¶H¤U¦hÅé²îªº¯è¦æ®Ä²v§C¤U
¸Ñ¨M¤èªk¨ä¹ê´N¬O½ÆÅé²ìªº¶}¤f¤£À³¦b¤ô½u¤W ¦Ü¤ÖÀ³¸Ó¦b¶Kªñ¤ô½u
¦ý¬O¿W¥ß¸¹¥Îªº¬O¶É¨¤¦¡²îçF¤~Åý³o°ÝÃD³Q¥YÅã¥X
¦b§O³B¬Ý¨ì³o¼Ëªºµû»y¡A¦ý¬Ý¤£¤ÓÀ´¸Ó¤å¤¤ªº"·Æ°Ê"¬O«ü¤°»ò²{¶H?
========================================================= §Úªº¤k¯«!! ÇÑÇçÇÝÇ»ÇUdzÇæÆãǶÇy³qÆýÇMÇU¤k©ÊÇ©ÇßÇå¤H’nÇN¤£°ÊÇU¢Ü¢÷¡D¢°Çy¸ØÇrÇÂÇèDZȸÇÂǵǻÇéǿDZ
°OªÌ¡G½Ð°ÝÃö©ó©x¤è©Ó»{®õ²ïÄ¥ªø¬O³ÌµÞªº§A¦³¤°»ò¬Ýªk? µo¨¥¤H¡G«D±`¦n!!³o¬O²Å¦X¥þÅé±K»È¾Ô¶¤¶¤ûªº³Ì¤j¦@ÃÑ¡A¦³§U©ó³¡¶¤¤h®ðªº´£¤É ©M¤Ï®£¬¡°Êªº¶i¦æ!!Åý§Ṳ́@°_©I¤f¸¹!!¥´Ë¼É¤OÅK®±¤k¥D¨¤!!®õ²ïÄ¥ªø¬O³ÌµÞªº!! ¤µ¤Ñ¤ß±¡¤£¿ù~~~´N¨ì³o§a!! |
6 L A T E S T R E P L I E S (Newest First) |
dasha |
Posted - 11/18/2011 : 15:50:54 ¶Ç²Îªº²î¾a¦|»P²ë±±¨î¯è¦V,³o¦~ÀY«Ü¤Ö¤H¥Î¥i°Ê¦|,¨º´N¬O¾a²ë.ÁöµM²ë¤p¤pªº¤@¶ô«Ü¬ÙªÅ¶¡,¦ý§C³t®Ä²v¤£¦n,¤@©wn¦³¤@Óµ{«×¥H¤Wªº«e¶i»P«á°h³t«×¤~¦³®ÄªG,³o¨Ï±o¥u¾a²ëªº²î¤£¯àì¦aÂàÅs,¤j®ü¯è¦æÁÙ¦n,¾a´ä¾a©¤´Nn¨ä¥L³]³Æ»²§U¤~¦æ. ¶Ç²Î³]pªº²î·Qnì¦aÂàÅs,¨º´N¬On¦V¶q±À¶i¸Ë¸m,³o©ÎªÌ¬O¥~¥[±À¶iÅn(Åé¿n¤p©ö·l·´),©ÎªÌ¬O²î¨¥[¤W°¼¦V±À¤O¸Ë¸m(Åé¿n¤j¦ý³£¦b²î¨¤º¦n«O¾iºûÅ@),¨S¦³¯S®í»Ý¨D³oºØªF¦è¨S¥Î.²î¨«Ü¼eªºÂùÅé²î¤TÅé²î,¥un±À¶i¸Ë¸m¬O¦b¥~°¼²îÅé,¨º´N¦³¿ìªk¾a±À¤O®t¬Æ¦Ü¬O§ïÅܱÀ¤O¤è¦V,¶i¦æ¤p¥b®|¬Æ¦Üì¦a°j±Û. |
rockitten |
Posted - 11/17/2011 : 18:25:24 quote: Originally posted by sungf29
http://www.youtube.com/watch?v=s-vgFMCmHPo&feature=related
®ü®l¸¹¥x¤¤¸Õ¯è¶i´ä180«×½ÕÀY¡]¬ù3¤ÀÄÁ¤º¡^
¿D¬wÂùÅé©Î3Åé²î¬Æ¦Ü¸U¾·¯Å ¦ü¥G«Ü±j½Õ³oºØì¦a180«×°jÂà ¾a´ä¤è«K©Ê
those from AUSTAL and INCAT (that ®ü®l¸¹) use water jet for propulsion so the "thruster" can work like "vector thrust" to improve maneuverability at swallow water or confine space, which is useful for ferries since they have to dock and make U turn quick without tugs helping.
¤p¿ß¤£·|§@¼Ò«¬¡A¤p¿ß¥u·Rª±¼Ò«¬¡F¬Ý¦ü¤p¿ßª±¼Ò«¬¡A¨ä¹ê¼Ò«¬ª±¤p¿ß¡G A B ¸É¤g¥Õ½¦±ø¡A¾ð¯×§ï®M»k¨è¤ù¡F¥W½u¥Y½u¥W¥Y½u¡A°®¿i¤ô¿i¾V¤M¿i¡F ¤ô©Êªo©Ê®ø¥úº£¡A°®±½¤â±½¼Qºj±½¡F¼Ò«¬¤@²°¤T¦Ê´X¡A¹s¥ó¤@°ï¤T¤d´X¡F ¦h¶R¦h§@¶i¨B¦h¡A¶R¤F¤£§@¤f¤ô¦h¡Fªá¿ú¯Ó®É¶Ëºë¯«¡A¤p¿ß¬O°¦±Ñ®aØp¡C |
sungf29 |
Posted - 11/17/2011 : 16:21:06 http://www.youtube.com/watch?v=s-vgFMCmHPo&feature=related
®ü®l¸¹¥x¤¤¸Õ¯è¶i´ä180«×½ÕÀY¡]¬ù3¤ÀÄÁ¤º¡^
¿D¬wÂùÅé©Î3Åé²î¬Æ¦Ü¸U¾·¯Å ¦ü¥G«Ü±j½Õ³oºØì¦a180«×°jÂà ¾a´ä¤è«K©Ê
¦L¶H¤¤¦¨¥\¯Å¦³Ãþ¦ü¤§»²§U±À¶i¤è«K¾a´ä¾Þ§@
¦Ó±d©w¯Å¨Ì¶Àªe´çÄ¥ªø ¯S§O±j½Õ¤£¾a¤Þ¤ô¤H¦Û¦æ¾ÞÄ¥¾a©¤ ¦ü¥Gªí¥Ü¾a´ä¾ÞÄ¥¨S¦³Ãþ¦üªº»²§U±À¶i
¦Ó©Ò¦³x¥ÎÄ¥¸¥¥u¦³±Æ¹pÄ¥¯S§O±j½Õ¥i¥Hì¦a°jÂà
³oºØì¦a¦^Âà¹ïxÄ¥¦³¨S¦³¯q³B.·®öµ¥¯Å¦³¨S¦³¨î¡H
|
dasha |
Posted - 11/15/2011 : 10:08:36 quote: Originally posted by blackknight
¤ñ¸û³Â·Ðªº¬O®ü¶H¤Ó´c¦H¤U ¦hÅé²î·|¦³®ö©Y¹ï²îÅ馳§«Ãª¶i¦Ó³y¦¨¦b´c¦H®ü¶H¤U¦hÅé²îªº¯è¦æ®Ä²v§C¤U
¸Ñ¨M¤èªk¨ä¹ê´N¬O½ÆÅé²ìªº¶}¤f¤£À³¦b¤ô½u¤W ¦Ü¤ÖÀ³¸Ó¦b¶Kªñ¤ô½u
¦ý¬O¿W¥ß¸¹¥Îªº¬O¶É¨¤¦¡²îçF¤~Åý³o°ÝÃD³Q¥YÅã¥X
¦Ñ¹ê»¡,·Q¤F¨â¤Ñ,ÁÙ¬O¤£À´³o¤@¬q±q"¸Ñ¨M¤èªk......"¶}©lÁ¿ªº¬O¬Æ. ¨ººØ²îº¦b¤j®ö®É¦³®e©ö¤U´¡¦Ó¤£¬O¤W´éªº°ÝÃD. |
blackknight |
Posted - 11/14/2011 : 16:25:11 ¤£¹L¤å¤¤»¡ªº·Æ°Ê¦ü¥G¬O©M¶É¨¤¦¡²îçF¬ÛÃöªº²{¶H¡A¤p¿ß¥S»¡ªº«h¬OÂùÅé²îªº§Cªýì¦]
========================================================= §Úªº¤k¯«!! ÇÑÇçÇÝÇ»ÇUdzÇæÆãǶÇy³qÆýÇMÇU¤k©ÊÇ©ÇßÇå¤H’nÇN¤£°ÊÇU¢Ü¢÷¡D¢°Çy¸ØÇrÇÂÇèDZȸÇÂǵǻÇéǿDZ
°OªÌ¡G½Ð°ÝÃö©ó©x¤è©Ó»{®õ²ïÄ¥ªø¬O³ÌµÞªº§A¦³¤°»ò¬Ýªk? µo¨¥¤H¡G«D±`¦n!!³o¬O²Å¦X¥þÅé±K»È¾Ô¶¤¶¤ûªº³Ì¤j¦@ÃÑ¡A¦³§U©ó³¡¶¤¤h®ðªº´£¤É ©M¤Ï®£¬¡°Êªº¶i¦æ!!Åý§Ṳ́@°_©I¤f¸¹!!¥´Ë¼É¤OÅK®±¤k¥D¨¤!!®õ²ïÄ¥ªø¬O³ÌµÞªº!! ¤µ¤Ñ¤ß±¡¤£¿ù~~~´N¨ì³o§a!! |
rockitten |
Posted - 11/13/2011 : 11:09:54 quote: Originally posted by blackknight
¨ä¹ê¿W¥ß¸¹ªº°ÝÃD¤£¬O¦hÅé
¦Ó¬O²îçF¬O¶É¨¤¦¡ ¦Ó¤£¬O±×¨¤¦¡
³oÅý¦o¦b¤ô±¤W§ó®e©ö"·Æ°Ê" ¦ý¬Oéw©Ê¨S¦³°ÝÃD
¦]¬°¦hÅé²î´N¬O§Q¥Î¦h¿´«¤ß©M¤j«¤ß±¿n¨ÓÀ³¥I¦b§C¦Y¤ô:§C¤ôªý¤U¯àݨ㫤ßéw©M¤ô½u¤W¦w©w
¤ñ¸û³Â·Ðªº¬O®ü¶H¤Ó´c¦H¤U ¦hÅé²î·|¦³®ö©Y¹ï²îÅ馳§«Ãª¶i¦Ó³y¦¨¦b´c¦H®ü¶H¤U¦hÅé²îªº¯è¦æ®Ä²v§C¤U
¸Ñ¨M¤èªk¨ä¹ê´N¬O½ÆÅé²ìªº¶}¤f¤£À³¦b¤ô½u¤W ¦Ü¤ÖÀ³¸Ó¦b¶Kªñ¤ô½u
¦ý¬O¿W¥ß¸¹¥Îªº¬O¶É¨¤¦¡²îçF¤~Åý³o°ÝÃD³Q¥YÅã¥X
¦b§O³B¬Ý¨ì³o¼Ëªºµû»y¡A¦ý¬Ý¤£¤ÓÀ´¸Ó¤å¤¤ªº"·Æ°Ê"¬O«ü¤°»ò²{¶H?
one of the trick for catamaran to reduce drag is by reducing the cross-section area under water (§C¦Y¤ô) and so they are similar to sliding on the water surface
¤p¿ß¤£·|§@¼Ò«¬¡A¤p¿ß¥u·Rª±¼Ò«¬¡F¬Ý¦ü¤p¿ßª±¼Ò«¬¡A¨ä¹ê¼Ò«¬ª±¤p¿ß¡G A B ¸É¤g¥Õ½¦±ø¡A¾ð¯×§ï®M»k¨è¤ù¡F¥W½u¥Y½u¥W¥Y½u¡A°®¿i¤ô¿i¾V¤M¿i¡F ¤ô©Êªo©Ê®ø¥úº£¡A°®±½¤â±½¼Qºj±½¡F¼Ò«¬¤@²°¤T¦Ê´X¡A¹s¥ó¤@°ï¤T¤d´X¡F ¦h¶R¦h§@¶i¨B¦h¡A¶R¤F¤£§@¤f¤ô¦h¡Fªá¿ú¯Ó®É¶Ëºë¯«¡A¤p¿ß¬O°¦±Ñ®aØp¡C |