https://pigeon-poppo.com/category/useful-information-and-links/videos/ 2018-03-18T11:13:49+00:00 weekly 0.5 https://pigeon-poppo.com/category/aerodynamics/compressible-fluid/ 2018-04-29T17:33:55+00:00 weekly 0.5 https://pigeon-poppo.com/category/aerodynamics/atmosphere/ 2018-04-27T10:08:50+00:00 weekly 0.5 https://pigeon-poppo.com/category/aerodynamics/lift-and-drag/ 2018-04-29T17:39:37+00:00 weekly 0.5 https://pigeon-poppo.com/category/aerodynamics/flow/ 2018-04-29T17:16:07+00:00 weekly 0.5 https://pigeon-poppo.com/category/aerodynamics/viscous-fluid/ 2018-04-29T17:32:25+00:00 weekly 0.5 https://pigeon-poppo.com/category/airfoil-theory/aifoil-shapes/ 2018-04-29T17:35:29+00:00 weekly 0.5 https://pigeon-poppo.com/category/airfoil-theory/airfoil-aerodynamic-characteristics-basic/ 2018-04-29T17:36:48+00:00 weekly 0.5 https://pigeon-poppo.com/category/airfoil-theory/airfoil-aerodynamic-characteristics-practical/ 2018-04-29T17:38:16+00:00 weekly 0.5 https://pigeon-poppo.com/category/airfoil-theory/ 2017-10-24T11:23:50+00:00 weekly 0.5 https://pigeon-poppo.com/category/aircraft-introduction/ 2017-11-05T20:41:18+00:00 weekly 0.5 https://pigeon-poppo.com/category/%e9%a3%9b%e8%a1%8c%e6%a9%9f%e3%81%ae%e9%81%8b%e5%8b%95%e3%81%a8%e5%ae%89%e5%ae%9a/ 2017-10-26T12:40:13+00:00 weekly 0.5