Message posted by Tom on September 28, 2020 at 17:33:47 PST:
The significant decrease in takeoff noise level is intriguing...But I wonder how they know the new noise level. Is computer modeling so good that, like flight characteristics, noise can be accurately modeled?
In Reply to: B-21 Raider environmental impact. 3 noticeable things. posted by Smythers on September 27, 2020 at 11:35:03 PST:
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