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Aviation History
1911
1911 - 0514.PDF
\m HT 3. Which is the best way to make rounded ends to the planes, with steamed wood or bent cane Y 4. Would the device shown in the accompanying sketch for auto matic lateral stability be desirable ? On a biplane (or monoplane), if two curtains, A, hanging loose were allowed to swing with the machine in flight, would A, on swinging out to B when turning to left, automatically bank machine up if the end and extra piece made more supporting surface that side ? I have just finished the monoplane on Valkyrie lines shown in the second sketch. (iolder's Creen. A. CUM is. II Measure the torque (twist in inch lbs.) throughout a range of "turns" and multiply the mean torque thus found by 6 4, which gives the work done per revolution. Measure the revs, per min. and multiply by work done, which gives the power in inch lbs. per minute. Divide by (12 x 33,000) to obtain the horse-power. 2. Estimates based on experiment are the only safe guide. 3. A matter of individual preference. 4. No.—-Ei>.] Model Biplane. [1213] Enclosed please find photo of a model biplane of my own design, which has made several good flights from the ground. Chief dimensions :—Main planes, covered with butter paper, span JUNK 10, 1911. SCHOOL AERO CLUB. Arundel House School Ae.C. (15, ARLINGTON ROAD, SDRBITON). ON Saturday, June 3rd, a unique model glider contest was held on the Station Hill, Oxshott, and proved a great success. Tests were imposed for (a) distance, (b) duration, (e) stability, (d) steering, and [e) construction, and the competitors were fifteen in number- The arduous duties of judging were efficiently carried out by Mr. Baker, who made the following awards: Senior branch, 1st prize, value 5*., Cyril Ridley and C. K. Scarf (tie); Junior branch, 1st prize, value 5*., Ralph Griffiths. Some remarkable results were obtained both as regards distance and duration, Cyril Ridley's " Butterfly" covering 207 ft. in 29 sees., which constitutes a club record for a model glider. Crawford Griffith's ''Valkyrie" also flew long distances, and was much admired by the spectators. After the competition Cyril Ridley brought out his new high-flying monoplane and made, at a great elevation, several remarkably good flights of 55-62 sees.'duration. The proceedings concluded by a duration contest between K. Pears (Ridleyplane No. 51) and A. Baker (Mann monoplane No. 37) for a special prize, which was won by the former with a flight of 28 sees. PUBLICATIONS RECEIVED. The Aviator's Storehouse. A. V. Roe and Co., Brownsfield Mills, Manchester. Aeroplane Accessories and Engineers' Supplies. Pfeil, Stedall, and Son, Broad Street, Blooms bury, W.C. Aeronautic* Patents Publu:;ed Apt lied for in IQIO. Published June %th, 1911. I. E. K. PHILLU'S. Control of aerial vessels by wave-transmitted electricity. K. ESVAUI.T-PELTERIE. Construction of sustaining planes. A. J. GRANT. Discharge of bodies or articles from aeronautics W. HOLTKIXG. Airships. L. fjRiAN.vfi'. Propulsion of captive flying machines. Applied for in 1911. Published June St/i, 1911. H. O. ElANE. Aerial machines. W. H. HART AND C. VON BUCH. Aeroplanes. 3 ft. ; Cll pell. »«l Or main ft 1 lind sufficient Upper [I2I4I oid SJ ins. Elevator, span 17 ins., chord 5 ins. Pro- aluminium, opposed, lo| ins each of own make. Body nine (if ,:>.th in. square birch. that 10 strands of i in. strip rubber to each propeller is life the model, which weighs complete 8 ounces. rooting. 1'. W. HnciiMAN. Model Cody Biplar.e. I enclose photo of a model biplane of the Cody type which might interest readers of Fl.lum. li is 34 in. span overall, length a ins., and weight 10 ozs. Swanley. H. PLUME. Model Construction. [1215] I should be glad if your readers would answer me the following questions : — 1. Mr. Fleming - Williams, writing a description of his latest model, said that with his 3 ft. 9 in. model he used eight strands of strip rubber to each propeller, and could obtain 1,000 turns. Would this mean each propeller t.ooo turns, or only 500 ? 2. In making the propellers for my models I use satin walnut. I find it impossible to make them retain their shape. About two or three hours after (teaming they straighten out. What I would ask is, can I use any better wood, or is there some little trick, perhaps, which I do no know ? 37, Belmont Road, South Norwood. W. H. DIAR OF COMING EVENTS. British General Events. July 1 .. Gordo!" Bennett Aviation Cup Contest. July aa-Aug. 5 Daily Mail Round Enpla:;d Contest. Oct. 31 .. Close of British MicheJin Cup. Foreign Fixtures. May28-Juneis Paris—Rome—Turin. June 18 .. European Circuit—Paris, Brussels, London, Paris. July 11 .. Paris—Bordeaux—Paris. July .. Italian Circuit, July 1-15 .. Circuit Berlin—Hanover—Hamburg. ® ® ® ® PRINC PAL CONTENTS. —*— p*..» Repression Up-to-date .. .. .. .. .. .. .. .. 496 Short Biplane r9iI Type. (Fully Illustrated) 497 Hydrogen Balloon, ny Griffith Brewer .. .. .. .. .. .• 501 June's Average Weather. By T. F. Manning .. .. ,- 502 An Australian Pioneer 504 Royal Aero Club Notes .. 50s Progress of Flight about the Country .. ..505 British Nous of the Week 506 From the British Flying Grounds .. .. .. .. 508 Foreign Aviation News .. ,. ..511 Paris-Rome-Turin .. .. .. .. ..512 Zimtnermann Ballast Gainer.. .. .. ,. .. .. .. 513 Correspondence 514 FLIGHT. 44, ST. MARTIN'S LANE, LONDON, W.C. Telegraphic address: Truditur, London. Telephone: 1828 Getrard. SU BSCRIPTION~RATES. FLIGHT will be forwarded, post free, to any part of the world at tie following rates:— UNITED KINGDOM. 3 Months, Post Free 6 „ .. s. d. 1 I ABROAD. 3 Months, Post Free 6 ., s. d. 5 6 516 Cheques and Post Office Orders should be made payable to the Proprietors o/" FLIGHT, 44, St. Martin's Lane, W.C., and crossed London and County Bank, otherwise no responsibility will be accepted.
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