Jacobs R-915

R-915
Type Radial engine
Manufacturer Jacobs Aircraft Engine Company
Developed from Jacobs R-755

The Jacobs R-915 or Jacobs L-6 is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States, production started in 1936.[1]

Design and development

The R-915 was effectively an enlargement of the R-755 with strengthened stressed parts.[2] With a bore and stroke of 5.5 in × 5.5 in (140 mm × 140 mm), for a displacement of 915 cu in (15 L). Take-off power was around 330 hp (250 kW). The engine features steel cylinders with aluminum-alloy cylinder heads.

Variants

R-915A1
Baseline variant; an enlarged R-755
R-915A3
Similar to the A1 but with Scintilla magnetoes
R-915A4
With a power take-off for autogyros

Applications

Engines on display

Specifications (R-915A1)

Data from Jane's[5]

General characteristics

  • Type: 7-cylinder air-cooled radial piston engine
  • Bore: 5.5 in (140 mm)
  • Stroke: 5.5 in (140 mm)
  • Displacement: 915 cu in (15 L)
  • Length: 40 in (1,030 mm)
  • Diameter: 45.5 in (1,160 mm)
  • Dry weight: 555 lb (252 kg)

Components

  • Valvetrain: 2 valves per cylinder (pushrod-actuated); sodium cooled exhaust valves
  • Fuel system: Single Stromberg NA-R7A carburetor
  • Fuel type: 80 octane
  • Oil system: One pressure pump, two scavenge pumps
  • Cooling system: Air-cooled
  • Reduction gear: Direct drive, right hand tractor

Performance

See also

Related development

Comparable engines

Related lists

References

Notes

  1. ^ Gunston 1989, p.85.
  2. ^ Wilkinson, Paul H. (1950). Aircraft engines of the World 1950 (8th ed.). London: Sir Isaac Pitman & Sons Ltd. p. 161.
  3. ^ Nanton Lancaster Society: Jacobs L-6 MB Retrieved: 23 July 2015
  4. ^ The Canadian Museum of Flight - L-6 Retrieved: 31 January 2009
  5. ^ Janes 1989, p.305.

Bibliography

  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7
Wikimedia Commons has media related to Jacobs L-6.

Read other articles:

Iatrosofie

Neem het voorbehoud bij medische informatie in acht.Raadpleeg bij gezondheidsklachten een arts. Esoterie Westerse esoterie Esoterie in de klassieke oudheid Esoterische vakgebieden Alchemie Occultisme Magie Astrologie Waarzeggerij Geomantiek Handlijnkunde Numerologie Tarot Esoterische stromingen Antroposofie Christelijke theosofie Gnosis Golden Dawn Hermetisme Iatrosofie Illuminisme Mysticisme Neoplatonisme Neopythagorisme New age New thought Pythagorisme Rozenkruisers Theosofie Vrijmetselari...

 

Windows 10

Disambiguazione – Se stai cercando la versione per sistemi embedded del sistema operativo di Microsoft, vedi Windows IoT. Disambiguazione – Se stai cercando la versione mobile del sistema operativo di Microsoft, vedi Windows 10 Mobile. Windows 10sistema operativoLogoSviluppatoreMicrosoft ProprietarioMicrosoft FamigliaWindows NT Release iniziale1507 (10.0.10240.16405) (29 luglio 2015) Release corrente22H2 (10.0.19045.3693) (14 novembre 2023) Tipo di kernelKernel ibrido, 32/64 Piattafo...

 

Censimento

Un addetto sta svolgendo l'attività di rilevazione in una famiglia olandese, nel 1925. Nell'accezione comune un censimento indica acquisire informazioni sul numero di abitanti e su diverse caratteristiche di una popolazione in un dato momento (come, ad esempio, il numero di persone per nucleo familiare ed eventuali beni posseduti da ciascuna di esse). Altri censimenti possono riguardare altri aspetti della società o naturali: censimento economico, censimento dell'agricoltura, censimento fau...

Рыбалка

У этого термина существуют и другие значения, см. Рыбалка (значения). Не следует путать с рыбной ловлей и рыболовством. Рыбаки Рыба́лка — занятие выуживанием рыбы из водоёма с целью прокорма или для развлечения. Рыбалка делится на любительскую и спортивную. В отличие...

 

Israfil

Bagian dari seriIslam Rukun Iman Keesaan Allah Malaikat Kitab-kitab Allah Nabi dan Rasul Allah Hari Kiamat Qada dan Qadar Rukun Islam Syahadat Salat Zakat Puasa Haji Sumber hukum Islam al-Qur'an Sunnah (Hadis, Sirah) Tafsir Akidah Fikih Syariat Sejarah Garis waktu Muhammad Ahlulbait Sahabat Nabi Khulafaur Rasyidin Khalifah Imamah Ilmu pengetahuan Islam abad pertengahan Penyebaran Islam Penerus Muhammad Budaya dan masyarakat Akademik Akhlak Anak-anak Dakwah Demografi Ekonomi Feminisme Filsafat...

 

Siege of Temesvár (1552)

For other sieges there, see Siege of Temesvár. Siege of TemesvárPart of the Ottoman wars in Europe and Ottoman-Habsburg warsThe siege in an Ottoman miniatureDate24 June – 27 July 1552LocationTemesvár, Kingdom of Hungary (today Timișoara, Romania)Result Ottoman victoryBelligerents Ottoman Empire Hungarian, Czech, German and Spanish defendersCommanders and leaders Ahmed Pasha Sokollu Mustafa beylerbey of Rumelia István Losonci Strength 30,000 1,900Casualties and losses Unknown Heavy...

Kusanagi

Pour les articles homonymes, voir Kusanagi (homonymie). Répliques du trésor impérial du Japon : épée Kusanagi, miroir sacré et pendentif magatama. Kusanagi-no-tsurugi (草薙の剣?, l'« épée de Kusanagi ») est une épée légendaire japonaise aussi importante dans ce pays qu'Excalibur l'est en Bretagne ou que Durandal l'est en France. C'est l'une des trois regalia du trône impérial du Japon. Noms Son nom complet est en japonais Ama no murakumo no tsurugi (天叢�...

 

Defek septum ventrikel

Defek septum ventrikelInformasi umumSpesialisasiOperasi kardiakDefek septum ventrikel (VSD) adalah suatu kecacatan pada septum ventrikel, dinding yang memisahkan bagian kiri dan kanan ventrikel jantung. Luas lubangnya dapat bervariasi dari ukuran pin hingga tidak adanya septum ventrikel, sehingga menciptakan satu ventrikel umum. Referensi Pranala luar KlasifikasiDICD-10: Q21.0ICD-9-CM: 745.4DiseasesDB: 13808Sumber luarMedlinePlus: 001099eMedicine: med/3517

 

Ian McCall (footballer)

Scottish Football coach and former player (born 1964) Ian McCall Personal informationFull name Ian Holland McCall[1]Date of birth (1964-09-30) 30 September 1964 (age 59)Place of birth Dumfries, ScotlandPosition(s) MidfielderTeam informationCurrent team Clyde (manager)Senior career*Years Team Apps (Gls)1983–1986 Queen's Park 66 (9)1986–1987 Dunfermline Athletic 47 (8)1987–1989 Rangers 21 (2)1989–1990 Bradford City 12 (1)1990–1991 Dunfermline Athletic 38 (5)1991–1992 Du...

2023 Monegasque general election

2023 Monegasque general election ← 2018 5 February 2023 2028 → All 24 seats in the National Council13 seats needed for a majorityTurnout57.26% (13.09pp) Party Leader % Seats +/– UNM Brigitte Boccone-Pagès 89.63 24 0 This lists parties that won seats. See the complete results below. President of the National Council before President of the National Council after Brigitte Boccone-PagèsPrimo! (UNM) Brigitte Boccone-PagèsPrimo! (UNM) Politics of Monaco Constitution Hum...

 

رولاند فيكتور نوريس

هذه المقالة يتيمة إذ تصل إليها مقالات أخرى قليلة جدًا. فضلًا، ساعد بإضافة وصلة إليها في مقالات متعلقة بها. (مايو 2022) رولاند فيكتور نوريس   معلومات شخصية تاريخ الميلاد سنة 1888   الوفاة 28 أبريل 1950 (61–62 سنة)  ميناء شيبستون  [لغات أخرى]‏  الحياة العملية المهنة ع�...

 

Jordan Webb

Jordan Webb Webb playing for Tampines Rovers in 2016Informasi pribadiTanggal lahir 24 Maret 1988 (umur 36)Tinggi 182 m (597 ft 1+1⁄2 in)[1]Posisi bermain WingerInformasi klubKlub saat ini Tampines RoversKarier junior East York KometsKarier senior*Tahun Tim Tampil (Gol)2009 Italia Shooters 2010–2012 Hougang United 77 (33)2013 Home United 24 (8)2014–2016 Young Lions 39 (14)2016 Tampines Rovers 22 (12)2017 Warriors 23 (7)2018– Tampines Rovers 0 (0) * Pena...

Lentil

Species of flowering plant with edible seeds in the family Fabaceae This article is about the species Vicia lens. For the meaning of lentil in Indian English, see legume. Lentil Puy (left), green (center), and red (right) lentils Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Eudicots Clade: Rosids Order: Fabales Family: Fabaceae Subfamily: Faboideae Genus: Vicia Species: V. lens Binomial name Vicia lens(L.) Coss. & Germ. (1845) Subspecies&#...

 

Reese's Pieces

Reese's Pieces. Reese's Pieces adalah sebuah merek permen dengan rasa selai kacang yang diproduksi oleh The Hershey Company bagi pasar Amerika Utara. Bentuk permen ini bulat, dan tertutup oleh lapisan gula berwarna kuning, jingga, atau cokelat. Permen ini diperkenalkan pertama kali pada tahun 1978, dan dijual di seluruh Amerika Serikat pada tahun 1980. Pembuatan Reese's Pieces pertama kali dibuat dengan mesin cetak sisa proyek Hershey-ets yang gagal. Sang pembuat menginginkan permen dengan ra...

 

Claudio Monteverdi

Disambiguazione – Se stai cercando altri significati, vedi Claudio Monteverdi (disambigua). Claudio Monteverdi, dipinto di Bernardo Strozzi, ca. 1640 Claudio Giovanni Antonio Monteverdi (Cremona, 9 maggio 1567[1] – Venezia, 29 novembre 1643) è stato un compositore italiano. La sua attività artistica segnò il passaggio dalla musica rinascimentale alla musica barocca. Fu uno dei principali innovatori che accompagnarono l'evoluzione del linguaggio musicale (su questo processo sti...

Pseudomorph

Silica pseudomorph after gypsum crystals and silicified serpulid polychaete tubes Pseudomorph of goethite after pyrite In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process in which the appearance and dimensions remain constant, but the original mineral is replaced by another. The name literally means false form. Terminology for pseudomorphs is replacer after original, as in brookite after rutile....

 

埼玉県道385号武蔵丘陵森林公園広瀬線

一般県道 埼玉県道385号武蔵丘陵森林公園広瀬線 路線延長 4,857m 起点 熊谷市万吉 終点 熊谷市熊谷運動公園前交差点 接続する主な道路（記法） 国道140号 ■テンプレート（■ノート ■使い方） ■PJ道路 熊谷市広瀬付近 埼玉県道385号武蔵丘陵森林公園広瀬線（さいたまけんどう385ごう むさしきゅうりょうしんりんこうえんひろせせん）は、埼玉県熊谷市万吉の埼玉県道17...

 

Eugene Onegin

Novel in verse by Alexander Pushkin This article is about the novel by Alexander Pushkin. For other uses, see Eugene Onegin (disambiguation). Eugene Onegin,A Novel in Verse First edition of the novelAuthorAlexander PushkinOriginal titleЕвгеній Онѣгинъ, романъ въ стихахъTranslatorVladimir Nabokov, Charles Johnston, James E. Falen, Lt.-Col. Henry Spalding, and Walter W. Arndt.LanguageRussianGenrePushkin sonnet, novel in versePublication date1825–1832 (in seri...

Katafygio

Community in GreeceKatafygio ΚαταφύγιοCommunityKatafygioCoordinates: 38°31′N 21°55′E / 38.517°N 21.917°E / 38.517; 21.917CountryGreeceAdministrative regionWest GreeceRegional unitAetolia-AcarnaniaMunicipalityNafpaktiaMunicipal unitApodotiaArea • Community23.429 km2 (9.046 sq mi)Elevation650 m (2,130 ft)Population (2021)[1] • Community130 • Density5.5/km2 (14/sq mi)Time zone...

 

I Am Not a Human Being

2010 studio album by Lil WayneI Am Not a Human BeingStudio album by Lil WayneReleasedSeptember 27, 2010 (2010-09-27)Recorded2008–2010GenreHip hopLength55:42LabelYoung MoneyCash MoneyUniversal MotownProducerLil Wayne (exec.)Cortez Bryant (exec.)Ronald Slim Williams (exec.)Birdman (exec.)The RunnersKane BeatzDJ InfamousThe OlympicksTha BiznessCool & DreJahlil BeatsRondell “Mr.Beatz” CobbsStreetrunnerInfamousDrew CorreaNoah 40 ShebibDVLPBoi-1daMr. PyroMike Bange...