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The Lublin R.X. Parasol Monoplane

The Lublin R.X. Parasol Monoplane August , 1929 AIRCRAFT ENGINEERING 191 Describing A Two-Seate r Training Machine of Composite Constructio n Recently Produced in Polan d bot h pilot and observer—dual control is fitted. H E Polish aircraft firm of E . Plage i T . The front is covered with duralumin sheets Laskiewicz, at Lublin, have recently Th e rudder, stabilisers and elevator are and the rest with fabric. The pilot has been produced an interesting new mono­ constructed of steel tubing covered with placed in front so as t o allow better vision, plan e known as th e Lublin R.X. which ha s while the observer is placed immediately fabric and are actuated by levers in the same been put through numerous tests with good behind and close enough to permit easy manner as are th e ailerons . The wings can results during the past winter. The construc­ communication. The section of th e fuselage b e folded in thirty minutes, and this operation tors of this new machine are said to b e th e which encloses the two seats is 90 centimetres does not interfere with the control system though it is understood that the stabilizing oldest manufacturers in Poland and have in (three feet) in width and allows ampl e space for plane is folded with the wings. th e past built Ansaldo and Potez planes under license for the Polish Government. The R.X. The power plant consists of a 220 h.p. is designed by Georges Rudlicki, who designed American Wright "Whirlwind" engine, th e two successful military machines known mounted on steel tubes fixed by four bolts, as the R-VII I and R-IX , which were th e allowing easy removal . There are tw o silencers, first aeroplanes to be entirely designed an d one on cithe r side of th e fuselage, which are built in Poland. said to have proved very effective, and it is claimed tha t the sound of th e engine is hardly Th e R.X. is a parasol monoplane, built perceptible when the machine is flying at primaril y for liaison work in the military a height of 200-300 metres (650-1,000 feet). service but a t th e same time capable of being Characteristics The fuel tank, which holds enough to give converted for dut y as a mail carrier. The th e machine a cruising radius of five hours, is semi-thick wing is supported on either side Span .. .. 13·5 m. (44 ft.). situated behind the engine in a fireproof b y inclined struts of sectional tube covered Tota l Length . . 8·33 m. (27 ft. 4 in.) . compartment . The tan k is attached by a with duralumin fairing. The maximum Heigh t . . .. 2·98 m. (9 ft. 9 in.). hook system b y whic h it can be dropped b y thickness of th e wing is 28 centimetres (11 Maximum chord th e pilot in case of necessity. inches), the profile tapering to it s thinnes t a t of Wing .. 2·2 m. (7 ft. 3 in.) . th e centre section so as to allow better visibility Surface .. 26 m2 (279 sq. ft.). The landing gear is of hollow sectioned t o th e pilot. The ailerons arc non-compensated Engine .. 220 h.p. Wright steel in V form and is equipped with American an d are attached to an auxiliary spar, being Weight (empty) 900 kg. (1,980 lb.). Aerol oleo-pneumatic shock absorbers. For operate d by a system of levers. The wing use in the winter, skis can be fitted in place Load .. .. 400 kg. (880 lb.). construction is on classic wooden lines, with of the wheels in a shor t time. Weight (loaded) 1,300 kg. (2,860 lb.). two main spars and the usual ribs, the whole Wing Loading . . 50 kg. /m2 (10lb. /sq.ft.). being covered with fabric. Power Loading 5,65 kg./h.p. (12·4 lb./h.p.). Maximum Speed 180 k.p.h. (112 m.p.h.). The fuselage is built up of a framework Minimum Speed 65 k.p.h. (40 m.p.h.). of (hollow steel tubing with welded joints. Britis h Research Departments I t is rectangular in shape with an arche d top. Ceiling . . .. 6,000 m. (20,000 ft.). The Civil Service correspondent of The Times states tha t a committee has been appointed by th e Treasury t o inquir e into matters affecting th e functions and staff of certai n research and experimental establishments of Government departments . The committee's terms of refer­ ence are:— To examine the functions and organisation of the undermentioned establishments in the Government service, and t o report on the method of recruitmen t and conditions of service of the civilian scientific and technical officers employed therein:— (a) The research and experimental estab­ lishments under the Admiralty , War Office, Air Ministry, and Department of Scientific and Industria l Research; (b) The Department of the Government chemist and th e establishments under th e Admiralty and Wa r Office concerned with chemical analyses; an d (c) The Meteorological Office. Th e members of the committee are: — Professor H. C. H . Carpenter , M.A., Ph.D., F.R.S . (Chairman). Sir W . J. Larke, K.B.E. Sir Robert Robertson, K.B.E., LL.D., F.R.S., Government Chemist. Mr. F . M. Morris, Treasury. R . 101 Mr. R . J. G. C. Paterson, C.B., Wa r Office. ha s now been completed by the Dornier I n answer t o a questio n in th e House of Com­ Mr. F . E . Smith, C.B., C.B.E., D.Sc., F.R.S., Mctallbauten G.m.b.H. and was made available mons, Mr. F . Montague said tha t i t wa s hoped for inspection on July 9. The twelve 525 h.p. Director of Scientific Research, Admiralty. tha t inflation of R.101 would commence to­ "Jupiter " engines are mounted in six "power Mr. H . T. Tizard, C.B., F.R.S., Department wards the en d of July. Inflation and shed eggs " on a gantry carried above the wing. of Scientific and Industrial Research. trials should occupy approximately two months, The boat otherwise follows familiar Dornier Mr. H . E. Wimperis, C.B.E., M.A., F.R.Ae.S., an d if th e shed trials were successful the airship lines. Its dimensions are:—Span, 48 metres M.I.E.E., Director of Scientific Research, Ai r should take the air abou t th e end of September. (57½ feet); Length, 40 metres (131 feet); Ministry. Height, 11 metres (36 feet); Surface, 490 Wit h Mr. H . Brittain , of the Treasury, as D ornie r Do . X square metres (3,724 square feet). secretary. The long-awaited 6,200 horse-power Do. X http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

The Lublin R.X. Parasol Monoplane

Aircraft Engineering and Aerospace Technology , Volume 1 (6): 1 – Jun 1, 1929
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029159
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Abstract

August , 1929 AIRCRAFT ENGINEERING 191 Describing A Two-Seate r Training Machine of Composite Constructio n Recently Produced in Polan d bot h pilot and observer—dual control is fitted. H E Polish aircraft firm of E . Plage i T . The front is covered with duralumin sheets Laskiewicz, at Lublin, have recently Th e rudder, stabilisers and elevator are and the rest with fabric. The pilot has been produced an interesting new mono­ constructed of steel tubing covered with placed in front so as t o allow better vision, plan e known as th e Lublin R.X. which ha s while the observer is placed immediately fabric and are actuated by levers in the same been put through numerous tests with good behind and close enough to permit easy manner as are th e ailerons . The wings can results during the past winter. The construc­ communication. The section of th e fuselage b e folded in thirty minutes, and this operation tors of this new machine are said to b e th e which encloses the two seats is 90 centimetres does not interfere with the control system though it is understood that the stabilizing oldest manufacturers in Poland and have in (three feet) in width and allows ampl e space for plane is folded with the wings. th e past built Ansaldo and Potez planes under license for the Polish Government. The R.X. The power plant consists of a 220 h.p. is designed by Georges Rudlicki, who designed American Wright "Whirlwind" engine, th e two successful military machines known mounted on steel tubes fixed by four bolts, as the R-VII I and R-IX , which were th e allowing easy removal . There are tw o silencers, first aeroplanes to be entirely designed an d one on cithe r side of th e fuselage, which are built in Poland. said to have proved very effective, and it is claimed tha t the sound of th e engine is hardly Th e R.X. is a parasol monoplane, built perceptible when the machine is flying at primaril y for liaison work in the military a height of 200-300 metres (650-1,000 feet). service but a t th e same time capable of being Characteristics The fuel tank, which holds enough to give converted for dut y as a mail carrier. The th e machine a cruising radius of five hours, is semi-thick wing is supported on either side Span .. .. 13·5 m. (44 ft.). situated behind the engine in a fireproof b y inclined struts of sectional tube covered Tota l Length . . 8·33 m. (27 ft. 4 in.) . compartment . The tan k is attached by a with duralumin fairing. The maximum Heigh t . . .. 2·98 m. (9 ft. 9 in.). hook system b y whic h it can be dropped b y thickness of th e wing is 28 centimetres (11 Maximum chord th e pilot in case of necessity. inches), the profile tapering to it s thinnes t a t of Wing .. 2·2 m. (7 ft. 3 in.) . th e centre section so as to allow better visibility Surface .. 26 m2 (279 sq. ft.). The landing gear is of hollow sectioned t o th e pilot. The ailerons arc non-compensated Engine .. 220 h.p. Wright steel in V form and is equipped with American an d are attached to an auxiliary spar, being Weight (empty) 900 kg. (1,980 lb.). Aerol oleo-pneumatic shock absorbers. For operate d by a system of levers. The wing use in the winter, skis can be fitted in place Load .. .. 400 kg. (880 lb.). construction is on classic wooden lines, with of the wheels in a shor t time. Weight (loaded) 1,300 kg. (2,860 lb.). two main spars and the usual ribs, the whole Wing Loading . . 50 kg. /m2 (10lb. /sq.ft.). being covered with fabric. Power Loading 5,65 kg./h.p. (12·4 lb./h.p.). Maximum Speed 180 k.p.h. (112 m.p.h.). The fuselage is built up of a framework Minimum Speed 65 k.p.h. (40 m.p.h.). of (hollow steel tubing with welded joints. Britis h Research Departments I t is rectangular in shape with an arche d top. Ceiling . . .. 6,000 m. (20,000 ft.). The Civil Service correspondent of The Times states tha t a committee has been appointed by th e Treasury t o inquir e into matters affecting th e functions and staff of certai n research and experimental establishments of Government departments . The committee's terms of refer­ ence are:— To examine the functions and organisation of the undermentioned establishments in the Government service, and t o report on the method of recruitmen t and conditions of service of the civilian scientific and technical officers employed therein:— (a) The research and experimental estab­ lishments under the Admiralty , War Office, Air Ministry, and Department of Scientific and Industria l Research; (b) The Department of the Government chemist and th e establishments under th e Admiralty and Wa r Office concerned with chemical analyses; an d (c) The Meteorological Office. Th e members of the committee are: — Professor H. C. H . Carpenter , M.A., Ph.D., F.R.S . (Chairman). Sir W . J. Larke, K.B.E. Sir Robert Robertson, K.B.E., LL.D., F.R.S., Government Chemist. Mr. F . M. Morris, Treasury. R . 101 Mr. R . J. G. C. Paterson, C.B., Wa r Office. ha s now been completed by the Dornier I n answer t o a questio n in th e House of Com­ Mr. F . E . Smith, C.B., C.B.E., D.Sc., F.R.S., Mctallbauten G.m.b.H. and was made available mons, Mr. F . Montague said tha t i t wa s hoped for inspection on July 9. The twelve 525 h.p. Director of Scientific Research, Admiralty. tha t inflation of R.101 would commence to­ "Jupiter " engines are mounted in six "power Mr. H . T. Tizard, C.B., F.R.S., Department wards the en d of July. Inflation and shed eggs " on a gantry carried above the wing. of Scientific and Industrial Research. trials should occupy approximately two months, The boat otherwise follows familiar Dornier Mr. H . E. Wimperis, C.B.E., M.A., F.R.Ae.S., an d if th e shed trials were successful the airship lines. Its dimensions are:—Span, 48 metres M.I.E.E., Director of Scientific Research, Ai r should take the air abou t th e end of September. (57½ feet); Length, 40 metres (131 feet); Ministry. Height, 11 metres (36 feet); Surface, 490 Wit h Mr. H . Brittain , of the Treasury, as D ornie r Do . X square metres (3,724 square feet). secretary. The long-awaited 6,200 horse-power Do. X

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Jun 1, 1929

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