True, to varying extents… but the 47 is well known and also just shocking similar in design elements and proportions to the Macross … not-a-gundam.
Grumman X-29:
Think it first flew in 84, definitely earlier than the su-47, but also, purely an experimental tech demonstrator, whereas the su-47 was at least ostensibly, potentially, going to be an actual combat aircraft.
True, to varying extents… but the 47 is well known and also just shocking similar in design elements and proportions to the Macross … not-a-gundam.
Grumman X-29:
Think it first flew in 84, definitely earlier than the su-47, but also, purely an experimental tech demonstrator, whereas the su-47 was at least ostensibly, potentially, going to be an actual combat aircraft.
https://en.wikipedia.org/wiki/Forward-swept_wing
Apparently, quite a lot of people have been futzing about with concept, for a long time.