Re CC Post 423. Comment: the low speed agility requirements in existence when the UTTAS requirements were published might have been met by the UH-1! But there were other maneuverability requirements that were more demanding, and of course meeting those led to a vastly more capable low speed aircraft. Let me be direct: there is no way that sideways tandem can outmaneuver the UH-60 at slow speed.
Just a follow-up: Sans posted the new ADS-33 handing requirements, and I wonder which category applied to the 280, if anyone knows.
I should add: every helo configuration brings with it some compromises. That is true for the single rotor as well as the tandem, be it fore/aft or lateral. My comment re the low speed maneuverability comparison is not a shot at the Bell designers-they are good troops-its simply noting the fallout of the relative compromises one inherits with the selected configuration.
Last edited by JohnDixson; 21st Apr 2022 at 13:30.
Reason: Additional comment