T O P I C R E V I E W |
oops |
Posted - 05/23/2022 : 19:46:41 ³oÓ°ÝÃD¦³ÂI¤p¥Õ ¤£¹L§Ú¥uª¾¹D¥¦Ìªº±ÛÁl¬Oè©Êµ²ºcì²z ¥H¤Î¾Ö¦³Â÷¦X¾¹(ÁöµM¼Ðµù¬O§À´Õ±À¶i¼Õ¥Î) ÁÙ¦³½L±Û°¾²¾¾÷¨î¤£¦P©ó¶Ç²Î±ÛÁl¾÷ ¦p¦¹¦Ó¤w
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19 L A T E S T R E P L I E S (Newest First) |
dasha |
Posted - 06/12/2022 : 11:14:48 quote: Originally posted by cwchang2100
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cwchang2100 |
Posted - 06/06/2022 : 05:13:27 ¨Æ¹ê¤W,³Ì¦ªºª½¤É¾÷¶}µo®É,1917¦~´N¤w¸g¥X²{¹L©T©wÃö¸`ªºª½¤É¾÷. ¹³¬O©_©ÇªºPKZ 2ª½¤É¾÷.
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dasha |
Posted - 06/05/2022 : 09:36:41 quote: Originally posted by davidboy
quote: Originally posted by dasha
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dasha |
Posted - 06/05/2022 : 08:59:31 ¤j³¡¤Àª½¤É¾÷±ÛÂ౪º§ïÅܧ޳N,´N¬OÃö¸`,³o¬Æ¦Ü¾ÉP©T©w¦¡¼u©Ê§÷®ÆÀ³¥Î¤]³Q¯Ç¤JÃö¸`ªº»â°ì¥hÁ¿,¥u³Ñ§Nªù»P²{¦b¥¿¦bª±ªº·s§Þ³N¬O¯u¥¿»PÃö¸`µLÃö,¦Ó§Nªùªºì¦]¤£¬O§Þ³N¥»¨²~ÀV´N¬O±M§Q²~ÀV,·íµM³£¬O·|±q³oÓ¨¤«×¤Á¤J¥h»¡©ú. |
cwchang2100 |
Posted - 05/31/2022 : 16:13:14 quote: Originally posted by davidboy
乡º@¡A¼w¤§贼¤]¡An©Mµ}ªd请¥h°µ©x¡A¦ý§Ú认为§A¬O°µ学问ªº¤H¡C ÆÓ论¬O±ÛÁlÉó还¬Oª½¤ÉÉó¡A从来没¦³挥»R铰Flap Hinge±±¨îªº¤è®×¡C
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quote: Originally posted by davidboy
1¡A±ÛÁlÉó¥D¬yªö¥ÎCierva发©úªº倾±×桨毂±±¨î§Þ术Tilting Hub Rotor Control¡A¾Þ纵§ý±±¨î桨毂ªuÁ¥õ©M滚转轴倾±×¡AÉO挥»R铰链¤£发¥Í联动关¨t¡C挥»R铰«O«ù¦Û¥Ñªº¡C¦Ó¥B这Ïú结ÌÛ¥u¤_±ÛÁlÉó¡A从来没¦³应¥Î¤_ª½¤ÉÉó¤W¡Cª½¤ÉÉóªº桨毂Rotor Hub©M±ÛÁl¥D轴Rotor Mast¬Û对¤_É󨳣¬O©T©wªº¡A¦]为这Ïú°ª转³t¤j¥\²v传动轴°ß®£刚«×¤£¨¬¡A尽¶qÁקK设计¦¨¥i¬¡动ªº¡C <®¤§R>
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quote: Originally posted by davidboy
2¡Aª½¤ÉÉó¤W¥t¦³¤@ÏúFlap Control,¦ý¬O这¨½³Q½译¦¨°ÆÁl±±¨î¡A¬OKarmanª½¤ÉÉóªº独门§Þ术¡A¸òFlap Hinge挥»R铰²@ÆÓ关¨t¡C <®¤§R>
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davidboy |
Posted - 05/31/2022 : 12:08:49 quote: Originally posted by dasha
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dasha |
Posted - 05/29/2022 : 10:41:37 °ò¥»¤W,°£¤F¤¤¤å±M¦³¦Wµüªº©w¸q°ÝÃD¤§¥~,davidboy¥Sªº»¡ªk¬O±q§Þ³N¥v¨¤«×¸ÑÄÀ,cwchang2100¥Sªº»¡ªk¬O±q°ò¥»¹B§@¾÷¨î¤ÀªR. oops¥Sªº»~·|,±q§Þ³N¥v¨¤«×Á¿·|¤ñ¸û§Ö²z¸Ñ,¦]¬°·|²£¥Í»~·|¤§³B,³q±`´N¬O¹L¥h´¿¸g¸I¨ìªº²~ÀV,¦ýÁ¿§Þ³N¥v´N·|ÅܱoªKªK¸`¸`¤@¤j°ï,©Ò¦³¤w¸g¸Ñ¨Mªº¦Ñ¶À¾ä³£¥²¶·Â½¥X¨Ó¤@¹M,¦Ó¥BÅܦ¨²Ó¸`¦h¨ì¤@ÁϽk¶î,¬Ù±¼¤S¤ñª½±µÁ¿¹B§@¾÷¨î§ó®e©ö»~·|. ¦ý±q§Þ³N¥v¬Ý¤U¥h,´N·|¬Ý¨ì«Ü¦h¦³½ìªº²Ó¸`,¤ñ¤è¥u¯à½Õpitch®É¥Nª½¤É¾÷ªº³Ì°ª³t«×¥u¦³100^ù¨ì100¸`¤§¶¡,¤TÃö¸`®É¥N°l¥[Lead¤~¬O²{¦b³o¨Ç®É³t¨â¤T¦Ê¤½¨½ªºª½¤É¾÷,¶i¤@¨BÅý±ÛÁl¥Î¬Á¼þÅÖºû©ÎºÒÅÖºûµ¥°ª¼u©Ê§÷®Æªºª½¤É¾÷,·d½ºu»Po¤æÃø«×¤j´T°§Cµ¥µ¥. ²{¦bªº·s·dªk,´N¬O¬J¦³±ÛÁl§Þ³N«ÜÃø¬ð¯}®É³t400¤½¨½³oÓªùÂe,¤~n°µ¤@°ï¤£¹³ª½¤É¾÷ªº¹Á¸Õ. |
waffe |
Posted - 05/27/2022 : 22:22:15 §Úpoªº¨ºÓGyrocopter flying clubºô¯¸¦³±q¥j¨ì¤µªº¦UºØ¦Ë»f¸»¤¶²Ð¡A±q¦´Á¥Ñ¸¦æûª½±µ¥Î¤â½Õ¾ãªº±ÛÁl¨ì¦UºØ¦U¼Ëªºµo®i¹Lµ{¡A¦Y¹¡«Ü¶¢¤Í³£¬Ý§¹À³¸Ó¤£ªù²M³£¤£®e©ö¡C
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cwchang2100 |
Posted - 05/27/2022 : 20:35:57 ¤£n¥u¬Ýªí±,Rotodyneªºµ²ºc¶W¯Å½ÆÂø,²{¥Nª½¤É¾÷¨S¦³¤@¬[¬O±Ä¨úÃþ¦üªº¤è¦¡. ¨ä³Ì¤jªº¯S¦â,ÁÙ¤£¬O½ÆÂøªº±±¨î¨t²Î,¦Ó¬O±À¤O¨t²Î,¾a¼Õ¸ºÝªº¼Q®g±À°Ê¼Õ¸,¦]¦¹¨S¦³¤¤¤ß¤O¯xªº°ÝÃD. ¤£»Ýn§À¼Õªº¸ÉÀv.¦¹®M¨t²Îªº¾÷ºc´NµL¤ñªº½ÆÂø¤F.
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davidboy |
Posted - 05/27/2022 : 12:34:42 |
waffe |
Posted - 05/27/2022 : 09:42:58 quote: Originally posted by oops
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¼v¤ù¤¤¥i¥H«Ü²M·¡ªº¬Ý¨ì±ÛÁlµ²ºc»P°_¸°¸¨®É±±¨îÁl±ªºÂ\°Ê¡CRotodyne°_¸°¸¨®É¤]¬O°Ê¤O¬I¥[¦b¼Õ¸¤W¡A³oºØ±ÛÁl¾÷¥un¯àº¡²Õ««ª½°_°ªº¥\¯à´N¥i¥H¡AÄa°±ªººë·Ç«×¨S¦³¹³¥¿²Îªºª½¤É¾÷n¨D¨º»ò°ª¡A¦]¬°¨º®M½ÆÂøªº¼Õ¸±±¨î¾÷ºc¬O³Ì¤jªºªý¤O·½¡ARotodyne¨S¦³¨º²Õ±±¨îÁl±¥i¥H¬Ý¨ìæ¢Álµ²ºcªý¤O¶W¤p¡C
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cwchang2100 |
Posted - 05/26/2022 : 04:18:06 quote: Originally posted by davidboy
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±±¨îFlap±ªº¤èªk¦³«Ü¦hºØ,³q¹L§ïÅÜpitchªº¤è¦¡¬O¥Ø«eªº¥D¬y.³o¼Ë´N¤£¥Î«Ü¤jªºÅX°Ê¸Ë¸m. ¦ý¬O,³o¤£¬O°ß¤@ªº¤èªk. ´N¹³¤W±Autogyroªº¾÷ºc¤@¼Ë,pitch¬OµLªk§ïÅܪº,´Nª½±µ§ïFlap¤F.
https://www.youtube.com/watch?v=94HQlOCgUY4 Preliminary draft of autogyro flight control
¬°¤°»ò¤j®a³£Á¿§ïÅܱÛÁl±(¦p¤U¹Ï),¨º¬O¦]¬°¤ñ¸û®e©ö²z¸Ñ,¤]²Å¦X²{¹ê. ¤j®a¤]³£ª¾¹D¬O§ïpitch¾ÉPªº,¦ý¬O¤£¦n¸ÑÄÀ,¤]¦³¨Ò¥~,©Ò¥H´N¤£ª½±µ»¡©ú.
Cyclic Pitch Control´N¬O§ïÅܱÛÂ౤è¦V,Cyclic½¦¨¶g´Á¤£¤Ó¦n,ÁÙ¤£¦p½¦¨±ÛÂà. Collective pitch control¬O§ïÅܤɰ¤O,¤]´N¬O§ïÅܱÛÁl±À¤O,¥Î"Á`"©Ç©Çªº. ¬O¤@¦¸¦P®É§ïÅÜpitch,¦³¨Ç¤Hª½±µºÙthrust control,´N¬O±À¤O±±¨î. Tail Rotor Pitch control´N¬O§À¼Õ±±¨î¤F,¸ò¥D±ÛÁl¨SÃö«Y,¦Ó¥B¤]¬O±±¨î±À¤O¦Ó¤w.
quote: Originally posted by davidboy
2¡A挥»R铰Flap©M摆¾_铰Drag¤£¬Oª½¤ÉÉó¥²须ªº¡A¥u¬O¦b¥飞来¬y³t«×¨¬û{°ªªº时Ô¤~»Ýn¡C ª½¤ÉÉó¥飞时¡A¥ª¥k两侧ªº±ÛÁl¥i¥H¤À¦¨«e¦æ桨©M¦Z¦æ桨¡A«e¦æ桨ªº¯u实ªÅ³tnúê¥[来¬y³t«×¡A³t«×较°ª¡A¤É¤O较¤j¡F¦Z¦æ桨ªº¯u实ªÅ³tn¦©°£来¬y³t«×¡A³t«×较§C¡A¤É¤O较¤p¡C ©Ò¥Hª½¤ÉÉ󥪥k两侧¤É¤O¤£¥¿Å¡A¦³侧½趋势¡A»Ýn¥[装««ª½¤_®é§ý轴ªº挥»R铰Flap Hinge¡A¤¹许«e¦æ桨¦V¤W挥»R¡A¦Z¦æ桨¦V¤U挥»R¡A桨úí©P´Á©Ê¤W¤U挥»R¡A¥¿Å¤F侧½趋势¡C ©Ò¥H发©ú挥»R铰ªº¤£¬Oª½¤ÉÉó¤uµ{师¡A¦Ó¬O±ÛÁlÉó¤uµ{师Cierva¡A¦]为¦´Áªºª½¤ÉÉó³£满¨¬¤_悬°±©M§C³t飞¦æ¡A¥u¦³»Ýn·Æ¶]°_飞ªº±ÛÁlÉó¤~¸I¨ì¤F±ÛÁl¥ª¥k¤É¤O¤£¥¿Å问题¡C <®¤§R>
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quote: Originally posted by davidboy
这´N¬O¤@¬[¥飞ªºª½¤ÉÉó±ÛÁl¤W¤U挥»Rªº¬Û¦ì图¡Aª`·N¥Ñ¤_±ÛÁlªºªûÁ³进动®Ä应¡A±ÛÁlªº¤W¤U挥»R会滞¦Z90¢X¡A挥»Rªº³Ì§C点©M³Ì°ª点变¦¨¤F0¢X©M180¢X¤è¦V¡C <®¤§R>
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https://zh.wikipedia.org/zh-hans/%E9%80%B2%E5%8B%95 ¶i°Ê
quote: Originally posted by davidboy
¥t¥~请ª`·N¡Aª½¤ÉÉó飞¦æ时桨盘¤£¬O¤@个¥±¡A¦Ó¬O¤@个锥§Î¡A¦]¦¹±ÛÁl¦V¤U挥»Rªº³Ì§C点¡A桨úí¤]¤£会§C¤_««ª½¤_®é§ý轴ªº¥±¡C这对²z¸Ñ摆¾_铰Drag«Ü«n¡C <®¤§R>
³o¥u¦³¦b´yzteetering hinge®É¥X²{.À@§Î¬O·íµMªº,²¦³º¨CÓ¼Õ¸³£¦³¨ü¤O. ¦ý¬O³o¨Ã«D¥¿À@«¬,·|ÀHµÛ¨ü¤O¦Ó§ïÅÜ.¨S¦³¨º»ò²³æ.
quote: Originally posted by davidboy
3¡A当ª½¤ÉÉó¥飞¡A±ÛÁl¦]为来¬y¤W¤U挥»Rªº时Ô¡A¦]为¨¤动¶q¦uùÚ¡A±ÛÁl桨úí还¦s¦b«e¦Z摆¾_Drag¡C这¥i¥H¥Îªáý©·Æ¦B转°é来²z¸Ñ¡G桨úí¦V¤W挥»R时¡A§ë¼v¦b««ª½®é§ý轴¥±ªº¥b径变¤p¡A ¤OÁu变¤p¡A转动惯¶q变¤p¡A¦]为¨¤动¶q¦uùÚ¡A桨úí¨¤³t«×变¤j¡A¦³领¥ý±Û转ªº趋势Lead¡A这´N¹³ªáý©·Æ¦B运动员¦¬¦^¤âÁu¡A´N会¥[³t转°é¡C 当桨úí¦V¤U挥»R时¡A¦]为桨úí¤£会§C¤_¡A¥u会±µªñ««ª½¤_®é§ý轴ªº¥±¡A¨º¤\桨úí§ë¼v¦b该¥±¥b径变¤j¡A¤OÁu变长¡A转动惯¶q变¤j¡A¦]为¨¤动¶q¦uùÚ¡A该桨úí¨¤³t«×变¤p¡A¥X现¸¨¦Z±Û转ªº趋势Lag¡C 这´N¹³ªáý©·Æ¦B运动员张开双¤â¡A转°é´N会ºC¤U来¡C为¤F§JªA桨úí©P´Á©Êªº领¥ý/¸¨¦ZLead/Lag±Û转给桨úí带来®¶动负²ü¡A还¬OCierva发©ú¤F¥¦æ¤_®é§ý轴ªº铰链¡A´N¬ODrag Hinge,¤]¥sLead/Lag Hinge¡C <®¤§R> ©Ò¥H¡A挥»R铰Flap©M摆¾_铰Drag¤£¬Oª½¤ÉÉó¥²须ªº¡A¥u¦³¦b°ª³t¥飞时为¤F§JªA±ÛÁl¤É¤O¤£¥¿Å©M领¥ý/¸¨¦Z±Û转¤~发©ú¥X来¡C¤]没¦³飞Éó¥D动¾Þ纵这两个轴¡A¥u¦³桨úíÖäߤO©Mú£®¶¾¹ªº弹¤O来¨¾¤î¥¦们发´²¡C
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quote: Originally posted by davidboy
4¡A¨º¤\专门为°ª³t¥飞¦Ó¥Íªº刚©Ê±ÛÁl«ç¤\¸Ñú¨¤É¤O¤£¥¿Å问题©O¡HAH56°ª³t¤U¾a°ª®i©¶¤ñªºµuÁl来¨ø载¡A¥D±ÛÁl顺桨¡A¥i¥H¬Ý¦¨¤@¬[§À±À¦¡©T©wÁl飞Éó¡C ¤U¤@¥NªºXH59~S97则·d¥X¤F«e¦æ桨úí§Þ术 Advancing Blade Concept¡A¥Ñ¤_桨盘两侧¦U¦³¤@个«e¦æ侧©M¦Z¦æ侧¡A¦]¦¹¦Z¦æ侧¤É¤O¤£¦A»Ýn«e¦æ侧来¥¿Å¡A©Ò¥H¦Z¦æ侧¤É¤Oªº¨î¤£¦A约§ô«e¦æ侧¤É¤Oªº¼W¥[¡C¦ý¬O¨C个桨盘¤É¤O¤£¥¿Å产¥Íªº弯¶Z¥²须¥Ñ桨úí©Óü®¡A©Ò¥HABC桨úíªº刚«×«D±`¤j¡A¤@阶±内¼Ò态频²vn¤j¤_±ÛÁl转³tªºË数¡A³Q称为±内刚©Ê±ÛÁl¡A¤L¥G没¦³¤W¤U挥»R©M«e¦Z摆®¶,¥u¦b桨¶Z¤è¦V¥i变¡C
¦]为¤£»ÝnµuÁl来¨ø载¡A悬°±时¦ÛµM¤]¤£会¦³µuÁl来ªý挡¤U¬~Éa¬y产¥Í虚úQ载«¡AABC§Þ术ªºÎ`¦Xª½¤ÉÉó¥i¥H获±o§ó¦nªº悬°±©Ê¯à¡C <®¤§R> <®¤§R> *图¤ù¤Þ¦ÛFAAªº¡mª½¤ÉÉó飞¦æ¤â册¡n¡C https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/helicopter_flying_handbook
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https://en.wikipedia.org/wiki/Sikorsky_S-69 Sikorsky S-69
XH-59´N¬OS-69,®Ú¥»¨S¨º»ò½ÆÂø,ABC´N¥u¬Oè©Ê¦P¶b±ÛÁl¦Ó¤w. ¤W¤U¤¬¸É,¨Æ±¡´N¸Ñ¨M¤F.«D±`²³æ!
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davidboy |
Posted - 05/25/2022 : 19:19:38 ºâ¤F§Ú¬Ý¤£¤U¥h¤F¡C
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¥t¥~请ª`·N¡Aª½¤ÉÉó飞¦æ时桨盘¤£¬O¤@个¥±¡A¦Ó¬O¤@个锥§Î¡A¦]¦¹±ÛÁl¦V¤U挥»Rªº³Ì§C点¡A桨úí¤]¤£会§C¤_««ª½¤_±ÛÁl¥D轴Rotor Mastªº±ÛÁlÌÛ³y¥±Rotor Shaft Plane¡C这对²z¸Ñ摆¾_铰Drag«Ü«n¡C
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¦]为¤£»ÝnµuÁl来¨ø载¡A悬°±时¦ÛµM¤]¤£会¦³µuÁl来ªý挡¤U¬~Éa¬y产¥Í虚úQ载«¡AABC§Þ术ªºÎ`¦Xª½¤ÉÉó¥i¥H获±o§ó¦nªº悬°±©Ê¯à¡C
*图¤ù¤Þ¦ÛFAAªº¡mª½¤ÉÉó飞¦æ¤â册¡n¡C https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/helicopter_flying_handbook
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***https://terms.naer.edu.tw/detail/205165/?index=3 |
cwchang2100 |
Posted - 05/25/2022 : 16:05:01 quote: Originally posted by oops
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oops |
Posted - 05/25/2022 : 15:01:01 ©Ò¥H¼Õ¸LEAD/LAGªº²£¥Í ¥Dn¤£¬O¦]¬°FLAP³y¦¨ªº°j±Û±°¼¶É ¦Ó¬O¾÷¨(°ª³t)«e¶i®É ¼Õ¸·|¦bªï·¦V/I·¦V¨Ó¦^±ÛÂà ¼Õ¸ªï·®É·|²£¥Íª@¤O ¸±«¤ß¤W°¾ ¼Õ¸I¸®É²£¥Ítª@¤O ¸±«¤ß¤U°¾ µM«á¤W¤U°¾¶qÁÙn¦A¼¤W¬ì¤ó¤O(Â÷¤ß¤O?) ³o¼Ë·¥§Ö³t¦a¤£¦P¦V¨Ó¦^©Ô§è·|¬O§÷®Æ¹Ø©Rªº¤j¼Ä ¦]¦¹¶Ç²Î¼Õ¸ªº¦w¸ËÂI¤W·|¥[Ó²G®ðÀ£½w½Ä¾¹
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cwchang2100 |
Posted - 05/25/2022 : 11:33:00 quote: Originally posted by oops
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https://www.youtube.com/watch?v=-1bVVgWj3EQ Lead Lag Dampers
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oops |
Posted - 05/25/2022 : 10:09:27 ·PÁ¤j®aÄÀºÃ ¤£¹L¤j·§¥uÀ´¤£¨ì¤@¥b feather·í¦¨¬OÁ³¼ÕÅܼնZ FLAP·í¦¨¾ãÓ±ÛÂॱ°¼¶É/Á¥õ ¦ýlead/lag¹ïÓ¤H¨Ó»¡´N¦³ÂI¥È¶ø¤F
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cwchang2100 |
Posted - 05/25/2022 : 08:11:28 https://www.youtube.com/watch?v=a354_CJI-m0 How Do Helicopter Rotor Blades Move? Helicopter Main Rotor Systems Explained
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davidboy |
Posted - 05/24/2022 : 12:04:01 quote: Originally posted by oops
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