static fan efficiency
91Northrop Grumman B-2 Spirit — B 2 redirects here. For other uses, see B2 (disambiguation). Stealth Bomber redirects here. For stealth aircraft in general, see Stealth aircraft. B 2 Spirit …
91Northrop Grumman B-2 Spirit — B 2 redirects here. For other uses, see B2 (disambiguation). Stealth Bomber redirects here. For stealth aircraft in general, see Stealth aircraft. B 2 Spirit …