Shmal Posted June 24, 2024 Posted June 24, 2024 Dear Heatblure! We know that the Phantom had a specific feature called Mach Tuck - an effect of nose pitch up while going from supersonic to subsonic speed. The reason is the aerodynamic focus moved forward after being back because of wave drag. I can't find any signs of this effect now in current FM! Its it planned to add it to FM? Thank you! 1 Мой позывной в DCS: _SkyRider_ Мой канал YouTube: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber My callsign on DCS is: _SkyRider_ My YouTube channel: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber
=475FG= Dawger Posted June 24, 2024 Posted June 24, 2024 (edited) 2 hours ago, Shmal said: Dear Heatblure! We know that the Phantom had a specific feature called Mach Tuck - an effect of nose pitch up while going from supersonic to subsonic speed. The reason is the aerodynamic focus moved forward after being back because of wave drag. I can't find any signs of this effect now in current FM! Its it planned to add it to FM? Thank you! Mach Tuck is nose down due to the center of pressure moving aft with the shockwave at high subsonic speeds. All airplanes experience it. (If you can get fast enough) Edited June 24, 2024 by =475FG= Dawger
Shmal Posted June 24, 2024 Author Posted June 24, 2024 Nope! Watch from 16:36 min: 1 Мой позывной в DCS: _SkyRider_ Мой канал YouTube: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber My callsign on DCS is: _SkyRider_ My YouTube channel: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber
=475FG= Dawger Posted June 24, 2024 Posted June 24, 2024 52 minutes ago, Shmal said: Nope! Watch from 16:36 min: Mach Tuck is the nose down effect when accelerating into transonic. The issue described in the Phantom video is Mach Tuck in reverse, decelerating through transonic, Mach UnTuck if you like. The video does a poor job of making that clear but Mach Tuck is the term applied to the nose down effect when accelerating into transonic
Shmal Posted June 24, 2024 Author Posted June 24, 2024 Ok, it doesn't matter with the name of it! I'd like to see nose pitch up effect when aerodynamic focus returning forward when the plane goes from supersonic to subsonic. 1 Мой позывной в DCS: _SkyRider_ Мой канал YouTube: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber My callsign on DCS is: _SkyRider_ My YouTube channel: https://www.youtube.com/channel/UCGdfzT7-xbgvmPwmUcCNArQ?view_as=subscriber
=475FG= Dawger Posted June 25, 2024 Posted June 25, 2024 14 hours ago, Shmal said: Ok, it doesn't matter with the name of it! I'd like to see nose pitch up effect when aerodynamic focus returning forward when the plane goes from supersonic to subsonic. I’d like to see both as that would be correct. The ‘stick stiffening’ described in the film is the pitch down being corrected by the pilot pulling back to maintain level flight.
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