General Electric GE9X

General Electric GE9X – wysokoprzepływowy silnik turbowentylatorowy, który jest używany jako jednostka napędowa samolotów Boeing 777X. To wynik rozwoju silnika GE90, który z kolei napędzał płatowce Boeing 777.

Podstawowe informacje

GE9X na skrzydle pierwszego wyprodukowanego Boeinga 777-9.

W wyniku badań, ma od swojego poprzednika o 10% efektywniejsze spalanie paliwa oraz jego o 5% mniejsze zużycie w stosunku do każdego innego silnika dwuprzepływowego[1]. Będzie największym silnikiem lotniczym, jaki kiedykolwiek wyprodukowano i wygeneruje ciąg od. 445[2] do 470[3] kN, co jest mniejszym osiągiem w stosunku do GE90-115, ponieważ skrzydła o większej powierzchni nie wymagają tak ogromnego ciągu. Konkurencją GE9X był w początkowych fazach konceptualny silnik Rolls-Royce RB3025 oraz wariant Pratt & Whitney PW1000G, jednak później Boeing zadecydował o oferowaniu modeli 777X tylko z GE9X[3].

Silnik Średnica wentylatora (m) Ciąg Cena katalogowa (USD)
General Electric GE9X-115B 3,406 470 kN[3] 29 mln.[2]
Rolls Royce RB3025 (koncept) 3,37[4] 440 kN[4] nieznana
General Electric GE90-115B 3,3[5] 513 kN[3] 27,5 mln.[6]

Przypisy

  1. ↑ GE9X Commercial Aircraft Engine | GE Aviation [online], www.geaviation.com [dostęp 2019-03-25].
  2. ↑ a b Wirtualna Polska Media S.A, Największy silniki lotniczy – GE9X [online], tech.wp.pl, 9 maja 2016 [dostęp 2019-03-25] (pol.).
  3. ↑ a b c d Samoloty pasażerskie świata - Boeing 777, t. 20., ISBN 978-83-8117-569-2.
  4. ↑ a b r, The RB3025 – Rolls-Royce concept engine [online], SukhbinderSingh.com, 21 marca 2012 [dostęp 2020-05-13] (ang.).
  5. ↑ GE90-115B Fan Completing Blade Testing; On Schedule For First Engine To Test | GE Aviation [online], www.geaviation.com [dostęp 2020-02-02].
  6. ↑ Record Year For The World's Largest, Most Powerful Jet Engine | GE Aviation [online], www.geaviation.com [dostęp 2020-02-02].

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