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The Rudlicki Vee Tail

The Rudlicki Vee Tail 102 AIRCRAFT ENGINEERING April 1945 N AIRCRAFT ENGINEERING, Vol. XIV, March fair to M. RUDLICKI to call attention to the merit as an anti-spinning device. They were ad­ 1932, pp. 63-66, there appeared under the fact that he anticipated the idea 13 years mittedly to some extent inconclusive and more ago; ample evidence of his priority being searching and conclusive tests were subse­ above heading an account of some experi­ available in the article to which we have quently devised; but unfortunately never car­ ments carried out by M. GEORGES RUDLICKI, ried out. Mr. Stephens, indeed, wrote, "it is referred. the technical director of a Polish firm of aircraft possible tha t if the vee tai l had been tested a t a M. RUDLICKI himself did no t make any revo­ constructors a t Lublin, with a novel type of tail later date and under more varied conditions it lutionary claims for his device. He contented consisting of tw o stabilizers and control surfaces would have appeared in a more favourable light himself with suggesting that it should weigh set a t a n acute dihedral angle t o one another in (though) it seems very unlikely that under an y 35 per cent. less than the normal tail owing to place of th e conventional tail comprising vertical conditions it would prove superior, as regards and horizontal surfaces. The article included its smaller area and effected a reduction in drag leading to a slight increase in speed; while spinning, to an ordinary tail unit with the bulk curves of the pitching and yawing moments being at least equal in stabilizing and control of the fin and rudder situated below the tail- obtained in tests with a model in the wind plane"—an arrangement which has, of course, efficiency to the normal form. He also pointed tunnel and also photographs of a Hanriot 14 never found adoption. out its military advantage by providing a biplane fitted with a Rudlicki vee tail which ha d clearer field of fire aft. In an editorial leading In view of th e fact that various modern types been successfully tested in flight by a number of article, however, it was suggested that the vee of aeroplane (e.g. the Beaufighter, Marauder pilots, including a tes t pilot of th e Warsaw Insti­ tail might have important anti-spinning quali­ and French Latécoère 631 flying boat) have been tut e for Aeronautical Technical Research ties. The Beech Aircraft Corporation now claim fitted with tail planes incorporating a consider­ (I.B.T.L.). Unfortunately these photographs and for their tail: simplified structure, elimination or curves cannot be reproduced now a s the blocks able dihedral angle, thoug h retaining the vertical reduction of compressibility effects at high concerned were destroyed, with all the other surface—and that the Bristol "Brabazon" as speeds and simplification of control. blocks tha t had been used in AIRCRAFT ENGIN­ originally designed had a pure vee tail on EERING from March 1924 to that date, by Rudlicki lines—it is suggested that the whole As a result of the leading article, certain matte r might well be revived and the "more enemy action on December 29, 1940. model experiments were carried out shortly searching and conclusive tests" planned at We have lately received from America the afterwards in the Free Spinning Tunnel at the Farnborough now be carried out; so tha t a clear photographs reproduced here showing a modified Royal Aircraft Establishment, which were not and full knowledge of all the attributes of the Beechcraft AT-10 monoplane with a precisely reported in AIRCRAFT ENGINEERING till Vol. device might be obtained. similar tail. Since the accompanying letterpress XVIII , November, 1936, p . 302, when a sum­ issued by the Beech Aircraft Corporation mary of the experiments by MR. A. V. Meanwhile, there are still a few copies of th e of Wichita, Kansas, refers to this tail as STEPHENS , who had made them, appeared. March 1932, and November 1936, issues of "something new under the sun" and a These tended to show that the Rudlicki Vee AIRCRAFT ENGINEERING available for those "unique design", we feel that it is only Tail, contrary t o expectations , had no particular interested. Aeronautical Education at Bristol The following announcement has been issued and research, and b y close contact with th e Aeronautics th e need has been seen both b y jointly by the University of Bristol and the th e University and the Company for the technical and other resources of th e Bristol Bristol Aeroplane Company;— provision of adequate University training Aeroplane Co., it will offer a first-class training to intending entrants to the The University of Bristol has for long had in Aeronautical Engineering, in which equal Aircraft Industry. it in mind that it would be well, when the emphasis is given to this subject as has in opportunity offered, to institute a Depart­ the past been given to the other branches I t will be of great additional benefit to ment of Aeronautics in the Faculty of of engineering. th e Industry in securing adequate training for Engineering staff tha t such aeronautical Engineering, which already has Chairs of I t will be remembered that the recent trainin g at the University of Bristol is Mechanical, Civil and Electrical Engineer­ recommendations for a College of Aero­ ing. This is now mad e possible by a gift of available to boys from Secondary and nautics, which proposed a technological £60,000 by th e Bristol Aeroplane Company Public Schools and t o apprentices who are college for a specialized post-graduate pur­ Ltd . for the institution of "Th e Sir George holders of Nationa l Certificates in Engineer­ pose, assumed that undergraduate training White Chair of Aeronautical Engineering," ing, or who have obtained some equivalent would already have been secured by the named in memory of the founder and first qualification. majority of students. chairman of the Company from 1910 to I t is t o be hoped tha t the action taken in th e There will be much benefit in the fact University of Bristol will have a stimulating 1916, one of the pioneers of British of the new Department being an integral effect in the country generally and lead to Aviation. par t of a wider University community; an d similar action being taken at other Universities. In view of the increasing importance of by maintaining a high degree of scholarship http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

The Rudlicki Vee Tail

Aircraft Engineering and Aerospace Technology , Volume 17 (4): 1 – Apr 1, 1945

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031236
Publisher site
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Abstract

102 AIRCRAFT ENGINEERING April 1945 N AIRCRAFT ENGINEERING, Vol. XIV, March fair to M. RUDLICKI to call attention to the merit as an anti-spinning device. They were ad­ 1932, pp. 63-66, there appeared under the fact that he anticipated the idea 13 years mittedly to some extent inconclusive and more ago; ample evidence of his priority being searching and conclusive tests were subse­ above heading an account of some experi­ available in the article to which we have quently devised; but unfortunately never car­ ments carried out by M. GEORGES RUDLICKI, ried out. Mr. Stephens, indeed, wrote, "it is referred. the technical director of a Polish firm of aircraft possible tha t if the vee tai l had been tested a t a M. RUDLICKI himself did no t make any revo­ constructors a t Lublin, with a novel type of tail later date and under more varied conditions it lutionary claims for his device. He contented consisting of tw o stabilizers and control surfaces would have appeared in a more favourable light himself with suggesting that it should weigh set a t a n acute dihedral angle t o one another in (though) it seems very unlikely that under an y 35 per cent. less than the normal tail owing to place of th e conventional tail comprising vertical conditions it would prove superior, as regards and horizontal surfaces. The article included its smaller area and effected a reduction in drag leading to a slight increase in speed; while spinning, to an ordinary tail unit with the bulk curves of the pitching and yawing moments being at least equal in stabilizing and control of the fin and rudder situated below the tail- obtained in tests with a model in the wind plane"—an arrangement which has, of course, efficiency to the normal form. He also pointed tunnel and also photographs of a Hanriot 14 never found adoption. out its military advantage by providing a biplane fitted with a Rudlicki vee tail which ha d clearer field of fire aft. In an editorial leading In view of th e fact that various modern types been successfully tested in flight by a number of article, however, it was suggested that the vee of aeroplane (e.g. the Beaufighter, Marauder pilots, including a tes t pilot of th e Warsaw Insti­ tail might have important anti-spinning quali­ and French Latécoère 631 flying boat) have been tut e for Aeronautical Technical Research ties. The Beech Aircraft Corporation now claim fitted with tail planes incorporating a consider­ (I.B.T.L.). Unfortunately these photographs and for their tail: simplified structure, elimination or curves cannot be reproduced now a s the blocks able dihedral angle, thoug h retaining the vertical reduction of compressibility effects at high concerned were destroyed, with all the other surface—and that the Bristol "Brabazon" as speeds and simplification of control. blocks tha t had been used in AIRCRAFT ENGIN­ originally designed had a pure vee tail on EERING from March 1924 to that date, by Rudlicki lines—it is suggested that the whole As a result of the leading article, certain matte r might well be revived and the "more enemy action on December 29, 1940. model experiments were carried out shortly searching and conclusive tests" planned at We have lately received from America the afterwards in the Free Spinning Tunnel at the Farnborough now be carried out; so tha t a clear photographs reproduced here showing a modified Royal Aircraft Establishment, which were not and full knowledge of all the attributes of the Beechcraft AT-10 monoplane with a precisely reported in AIRCRAFT ENGINEERING till Vol. device might be obtained. similar tail. Since the accompanying letterpress XVIII , November, 1936, p . 302, when a sum­ issued by the Beech Aircraft Corporation mary of the experiments by MR. A. V. Meanwhile, there are still a few copies of th e of Wichita, Kansas, refers to this tail as STEPHENS , who had made them, appeared. March 1932, and November 1936, issues of "something new under the sun" and a These tended to show that the Rudlicki Vee AIRCRAFT ENGINEERING available for those "unique design", we feel that it is only Tail, contrary t o expectations , had no particular interested. Aeronautical Education at Bristol The following announcement has been issued and research, and b y close contact with th e Aeronautics th e need has been seen both b y jointly by the University of Bristol and the th e University and the Company for the technical and other resources of th e Bristol Bristol Aeroplane Company;— provision of adequate University training Aeroplane Co., it will offer a first-class training to intending entrants to the The University of Bristol has for long had in Aeronautical Engineering, in which equal Aircraft Industry. it in mind that it would be well, when the emphasis is given to this subject as has in opportunity offered, to institute a Depart­ the past been given to the other branches I t will be of great additional benefit to ment of Aeronautics in the Faculty of of engineering. th e Industry in securing adequate training for Engineering staff tha t such aeronautical Engineering, which already has Chairs of I t will be remembered that the recent trainin g at the University of Bristol is Mechanical, Civil and Electrical Engineer­ recommendations for a College of Aero­ ing. This is now mad e possible by a gift of available to boys from Secondary and nautics, which proposed a technological £60,000 by th e Bristol Aeroplane Company Public Schools and t o apprentices who are college for a specialized post-graduate pur­ Ltd . for the institution of "Th e Sir George holders of Nationa l Certificates in Engineer­ pose, assumed that undergraduate training White Chair of Aeronautical Engineering," ing, or who have obtained some equivalent would already have been secured by the named in memory of the founder and first qualification. majority of students. chairman of the Company from 1910 to I t is t o be hoped tha t the action taken in th e There will be much benefit in the fact University of Bristol will have a stimulating 1916, one of the pioneers of British of the new Department being an integral effect in the country generally and lead to Aviation. par t of a wider University community; an d similar action being taken at other Universities. In view of the increasing importance of by maintaining a high degree of scholarship

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Apr 1, 1945

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