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Aviation History
1917
1917 - 1096.PDF
OCTOBER 18, 1917. THE C. A. V. ELECTRIC STARTER.IN the field of electrical work, anything which bears the initials C. A. V. commands attention. Recently Messrs. C. A.Vandervell and Co. have produced an electric engine starter which has been designed not only for motor carengines but also for such large motors as those for aeroplanes, tanks, &c. There are three models, in fact, as seen in ourphotograph, the only difference being in the size. Mechani- cally, the broad scheme of the C. A. V. starter is the notunfamiliar dynamo-pinion slid into—or out of—engagement with a toothed-ring on the fly-wheel. The originality is in theapplication thereof. The field area is considerably longer than that of the armature flux. Consequently the battery currentcan be—and is—switched in by a two-stage plunger motion, so as to energise the fields progressively forward and thus draw thearmature—the shaft of which is free to slide endwise—out of " magnetic centre. This is effected mechanically in a mannerresembling—though not electrically the same as—a rheostatic THE LATEST C.A.V. PRODUCT.—The motor-starting dynamo, made in three sizes to cover all kinds of starting-loads. The smallest above, "ZC,"is suitable for motors up to 16 h.p.; the middle one, 41ZB," for up to 40 h.p.; and the largest, »ZA," for the most powerful racing cars, aero, "Tank," andmarine motors up to about 150 h.p. Note the clean design and oil, moisture, and dust-proof constructionembodied in all three sizes. action within the switch-box ; and is completed at the fullplunge of the switch. This puts the pinion into mesh; the energised dynamo runs to start the motor; and as soon asthe latter over-runs the dynamo-speed a strong return spring on the dynamo spindle withdraws the pinion from mesh.Sixty-six consecutive starts on the dynamo used for starting "Tank" motors is the record. It wa&*not tried further forlack of necessity to do so. As made, this dynamo, like other Vandervell products, could not be better made. H H H H % NEW COMPANY REGISTERED.•^AUSTRALIAN AIRCRAFT CO., LTD., 67, New Oxford Street, W.C.—Capital ^1,000, in £1 shares. Agents for,manufacturers of and dealers in aeroplanes, airships, &c, motors applicable to the above, &c. BUSINESS NAMES REGISTRATIONS. " W. SWAIN AND CO.—Registered October 3rd, 1917.Elecrical engineers and accumulators specialists. 269, Putney Bridge Road, S.W. (15). Proprietor: William J.Swain (British), above address. Other business occupation : Examiner aeronautical inspection directorate. LEGAL INTELLIGENCE. Wells Aviation Co.IN the Companies Winding-Up Court, on October 16th, v counsel for the petitioners, Whiteman and Moss, informedMr. Justice Astbury that since their petition for the com- pulsory windingup of Wells Aviation Co. was filed, therespondent company had gone into voluntary liquidation and the liquidators had arranged for *the sale of the assets, whichwould give a satisfactory dividend to the creditors. In these circumstances he asked that the petition be .dismissed,without costs. Mr. Turner, for a creditor supporting the petition, said theproposal was absolutely new to his client, and it might be that he would desire to be substituted as petitioner.Mr. Austen Cartmell, for the Secretary for War, a debenture holder, said the scheme was one which heaccepted, but he would not stand in the way of any rights the creditors had.His Lordship said the great majority of the creditors approved of the scheme, and he would dismiss the petition,but postpone the order, to give Mr. Turner's client an opportunity next week of moving in the matter. HisLordship warn?3 Mr. Turner that he might move at his peril as to costs. The petition accordingly stood over for a week. Air Raids and Compensation.IN the Bow County Court on October 15th, arguments were heard in a claim, made under the Workmen's Compensa-tion Act, by Henry Charles Allcock, a potman. He asked for an award from G. VA. Rodgers, publican, of the SilverTavern, Burden Road, E. The facts were not disputed. On the occasion of an aeroplane raid the applicant was on aladder outside the house, cleaning a plate, when a bomb fell opposite, and he was blown to the ground, sustaining injuriesto the ankle. It was agreed that if he was entitled to recover, ^8 5s. wasdue, but the defence was that it did not come within the scope of the Workmen's Compensation Act.Counsel said that a n^an painting a ship's side who con- tracted sunstroke could get compensation. The wholeprinciple underlying the working of the Act Was that if a man was put into a position Where there was a peculiarly specialrisk—say, in the danger zone—then he was entitled to recover. Counsel for the defence argued that the risk run had tobe near enough to the employment before it came within the Act. If it Was a risk general to the neighbourhood, likeGerman bombs, lightning, and so on, then an accident did not arise out of the employment, unless he could directlyestablish the connection with his work. In this case the man clearly could not connect it.Judge Graham, K.C., said the case was. so important that he should consider his decision. H H m BPUBLICATION RECEIVED. An Airman's Outings. By " Contact." London: Wm.Blackwood and Sons. Price 5s. net. 0 H H EBAeronautical Patents Published. Applied for In 1916.The numbers in brackets are those under which the specifications are printed, and abridged, &c.Published October iStk, 1917. n,68o. A. AHLBRECHT. Planes of aeroplanes. (109,636.) *3>93°- P. J.PYBUS AND PHOENIX DYNAMO MFG. Co. Aircraft for observation,&c. (109,672.) If you require anything pertaining to aviation, study I •• FLIGHT'S " Buyers' Guide and Trade Directory, ; which appears in our advertisement pages each week j (see pages xliv, xlv and xlvi). FLIGHT and The Aircraft Engineer.44, ST. MARTIN'S LANE, LONDON, W.C. 2. Telegraphic address: Truditur, Westrand, London.Telephone: 1828 Gerrard. SUBSCRIPTION RATES.. " FLIGHT " will be forwarded, post free, at the following rates r— UNITED KINGDOM. ABROAD. s. d. 1 s. d.3 Months, Post Free.. 3 10 I 3 Months, Post Free.. 5 o 6 12 715 6 12 10 20 o o Cheques and Post Office Orders should be made payable to the Proprietors of " FLIGHT," 44, St. Martin's Lane, W.C. 2, and crossed London County and Westminster Bank, otherwise no responsibility will be accepted. IO96
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