osiris30 wrote:Structurally with the right materials forward swept wings are no worse in a stall while being lighter. The problem is yaw control not pitch control.
With modern systems it could probably done but I am unsure if the yaw counteraction requires enough drag to be induced by control surfaces to offset the efficiency gains.
I am sure if they were viable someone would do it. At the end of the day the next stop for aviation efficiency may be very long span trussed composite wings or bwb. Both have inherent problems and benefits much like the forward swept wing.
Historically the biggest challenge on forward swept wings was materials related to combat aeroelasticity induced torsion. With modern composites that may be more easily overcome leaving yaw as the largest issue and where I am unsure of data for or against.
Utah744 wrote:All it would need is a MCAS.
DrPaul wrote:Is there any advantage in having swept-forward wings on an aeroplane?
I used to see the occasional Hansajet flying into Heathrow at the end of the 1960s; its unusual design would attract attention from people who would normally take little notice of planes.
strfyr51 wrote:Utah744 wrote:All it would need is a MCAS.
Didn't have it and didn't need it. What it Did need? was smaller power Relays, more reliable windshield heating system and a slat heating system that wasn't so prone to chipping and Failure (It was a crude ceramic, Not at all flexible enough to survive a bird strike) And? It was damn hard to replace.)
Waterbomber2 wrote:Eagles and many other birds also have slightly forward sweep at the root.
Waterbomber2 wrote:Better look at how best you can eliminate the tailplane, which is a major source of non-productive and even counter-productive drag.
Pudelhund wrote:What about forward swept wing until the engine mount and then swept back again? Then it would resemble a bird wing.
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