Turbomeca Turmo 1 gas producer
The Turbomeca Turmo is a family of French turboshaft engines manufactured for helicopter use. Developed from the earlier Turbomeca Artouste, later versions delivered up to. A turboprop version was developed for use with the Bréguet 941 transport aircraft.
Turbomeca Turmo 1 gas producer
- Name
- Turmo
- Field
- gas generator, gas turbine and turboshaft.
VALÉORINE Encyclopedia
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Documentary summary
The Turbomeca Turmo is a family of French turboshaft engines manufactured for helicopter use. Developed from the earlier Turbomeca Artouste, later versions delivered up to. A turboprop version was developed for use with the Bréguet 941 transport aircraft.
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wikidata · Q65082355
In this article
Overview
Overview
Current versions are built in partnership with Rolls-Royce, and the engine is produced under licence by the Chinese Changzhou Lan Xiang Machinery Works as the WZ-6 and Romanian Turbomecanica, Bucharest, as the Turmo IV-CA.
Key facts
Key facts
• Name — Turmo • Engine Type — Turboshaft/turboprop • National Origin — France • Manufacturer — Turbomeca • Major Applications — * Aérospatiale SA 321 Super Frelon • Aérospatiale SA 330 Puma • Bréguet 941 • Developed Into — Bristol Siddeley Nimbus
Design and development
Design and development
The Turmo was initially developed with a single-stage centrifugal compressor, annular combustion chamber and single stage turbine. Power output was from a single-stage free power turbine and was initially. During early post-war helicopter development, the use of cold and hot rotor tip-jets was widely investigated. To provide large mass-flow air for efficient operation of the tip-jets, Turbomeca developed a gas turbine driven gas producer, powered by the free power-turbine of the Turmo to deliver the required gas flow.
Variants
Variants
Data from:-Jane's all the World's Aircraft 1957–58 • Turmo I: The initial version of the Turmo; max continuous gearbox output at 3,000 rpm, at 33,750 rpm gas generator speed. • Turmo II:Developed version of the Turmo I; max continuous gearbox output at 34,000 rpm gas generator speed. • Turmo III:With 2-stage free power-turbine, pressure ratio 5.7:1; Maximum shaft output, max continuous at 33,400 rpm • Turmo IIIB: • Turmo IIIC:A 1,200 hp turboshaft powering the Sud-Aviation Frelon prototypes. • Turmo IIIC 2: Developed from the IIIC delivering 1,300 hp maximum output • Turmo IIIC 3: Maximum rating 1,500 hp at 33,500 rpm for production Super Frelon helicopters • Turmo IIIC 4: Military variant. • Turmo IIIC 5: • Turmo IIIC 6: • Turmo IIIC 7: • Turmo IIID:Turboprop for the proposed Breguet Br 942 STOL transport, maximum rating 1,225 hp. • Turmo IIID 2:1,335 hp at 22,460 free turbine rpm • Turmo IIID 3:1,450 hp at 33,500 rpm • Turmo IIIF:860 kW at 32,100 rpm for use on Turbotrain and Turboliner • Turmo IVB: Military Variant • Turmo IVC: Civil Variant • Turmo IV-CA:Licence production in Romania • Turmo VI:Turboprop engine with two axial stages, one centrifugal compressor stage and two free power turbine stages, rated at 1,800 hp at 32,000 rpm. • Turmo XII:1200 kW for use on Class T 2000 Turbotrain and TGV 001. • WZ-6:Licence production at the Changzhou Lan Xiang Machinery Works in the People's Republic of China.
Applications
Applications
• Turboshaft • Sud-Est SE.3140 Alouette II • Aérospatiale SA 321 Super Frelon • Aérospatiale SA 330 Puma • Bölkow Bo 46 • IAR 330 • SNCASE SE.3200 Frelon • N.300 Naviplane • Turboprop • Breguet Br 940 Integral • Bréguet 941 • Breguet 941S • Automobile • Renault Étoile Filante • Train • Turbotrain • SNCF Class T 2000 • Turboliner • TGV 001
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Broader subject
1- gas generatorTerminology
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Further particulars
Open the remaining particulars
Turbomeca Turmo 1 gas producer was manufactured by Safran Helicopter Engines. Recorded as a kind of gas generator. Connected to 1 other published record in the VALÉORINE Encyclopedia.
Within the Encyclopedia
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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