>>737のリンク
https://aviationweek.com/defense-space/aircraft-propulsion/uk-advances-tempest-demonstrator-toward-2027-first-flight

ダクトの部分(担当はRR)
The engine ducts developed for the demonstrator measure around 10 m (33 ft.) in length, while the engine itself is another 4 m long. Combined, they are almost as long as the 16-m Eurofighter Typhoon.

英語読めないオッペケが早速捻じ曲げようとしてるけど、少しずつソースのリンクを貼っていく