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Hi!
D-SEND#2 picture and test result.

Red line : Sonic boom signature without low boom technology(thoretical value)
Blue line : D-SEND#2 sonic boom test result
JAXA says that to apply this low boom technology to Concorde, sonic boom level is half(1psf).(Concorde sonic boom level : 2psf)
To apply this low boom technology to 50 passenger class SSBJ(below pictures), sonic boom level is 1/4(0.5psf) compared with Concorde.
psf ; pound/square feet

http://www.jaxa.jp/press/2015/10/20151027_dsend2_j.html

[QUOTE="blackkite, post: 266627, member: 661"] Hi! D-SEND#2 picture and test result. Red line : Sonic boom signature without low boom technology(thoretical value) Blue line : D-SEND#2 sonic boom test result JAXA says that to apply this low boom technology to Concorde, sonic boom level is half(1psf).(Concorde sonic boom level : 2psf) To apply this low boom technology to 50 passenger class SSBJ(below pictures), sonic boom level is 1/4(0.5psf) compared with Concorde. psf ; pound/square feet http://www.jaxa.jp/press/2015/10/20151027_dsend2_j.html [/QUOTE]

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