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Aviation History
1910
1910 - 0763.PDF
SEPTEMBER 17, 1910. suggested that a number of foreigners are sailing in the vessel with the main object of obtaining photographs and particulars of military works over which they pass. It is suggested that special regula tions are to be issued which will render it a serious offence for any unofficial dirigible to approach within 124 miles of any fortified German position. In regard to the performance of the German dirigibles during the manoeuvres, it hardly seems reasonable to suggest so readily that they are useless for any purpose whatever, simply because by a very clever strategy the section of the Army Corps which M3 was reconnoitring managed to deceive the occupants of the dirigible by the erection of an extensive series of decoy trenches, and bogey artillery and breastworks. These had been thrown up by the said Red Army for the specific purpose of deceiving the observers in the airship. By this trick the officers of the airship reported in such a way that the Blue Army were considerably deceived and attacked blindfoldly the decoy trenches, whilst the main body of the enemy was located elsewhere. Rather it should be argued that more experienced officers should be in charge for important duties of this character and better field-glasses supplied for the work. Considerably worse, of course, was the enforced descent of [/QGHT] " Parseval II " into the enemy's territory on the 9th instant, owing to a heavy thunderstorm, thus placing this valuable weapon in the hands of the Blues. Chartering a Zeppelin. As a matter of historical record, it is worth noting that for the first time a dirigible has been chartered in the ordinary course for a private trip in connection with a picnic. Baron Rudolph Gold- schmidt Rothschild is reported to have engaged the passenger-carrying Zeppelin airship for the purpose of entertaining his friends one day this week, the fees being at the rate of /100 for the first two hours, and ^50 for each additional hour. The Brussels Exhibition "Hoodoo." THE airship " Belgique III," last week, during a trip with six passengers, when sailing about 2,000 ft. above the Brussels Exhibition, suddenly made a rapid descent for some unexplained reason. So sharp was the fall that the propeller was damaged by contact with the roof of the German section. Fortunately the vessel was able to rise again, and then came down none too slowly in an adjoining field a few hundred yards away, the occupants escaping with nothing more than a scare. •BONN" MODELS AND PARTS. ALL amateurs and others who have had any experience with the firm and their productions are well aware of the thoroughly conscientious manner in which every little detail is attended to by Messrs. J. Bonn and Co., of New Oxford Street. Those visiting the arranged in pairs on either side of a couple of gear wheels, which wheels are in common mesh with a small toothed wheel on the shaft carrying the propeller. An enlarged view of the central portion ol this motor is given beneath on the right, while to the left of it is an enlarged view of the other form of elastic motor that figures beneath. With this last- mentioned pattern the torque of the elastic is resisted by a celluloid tube that actually premises, moreover, well know the willingness with which these makers invite personal inspection of their workshops, not only because they are actually makers and not merely agents, but also because of the thoroughness that characterises their organisation. Some idea is conveyed of the range of component parts turned out by them, specially for inventors and for model makers interested in aeroplanes and other aircraft, by the accompanying illustrations. One of these includes sketches of five different forms of thrust block, furnished with ball bearing, and suitable for elastic motors; while another of them gives a couple of sketches of small aluminium sockets, of which a very great variety of different patterns is stocked by this firm. Yet another of our illustrations demonstrates photographically two types of complete elastic motors built for model aeroplane propulsion. In one of these all loss of power by end thrust is avoided, owing to the use of four independent lengths of elastic contains the elastic strands and that receives metal caps at each end, serving respectively as an anchorage for one hook and for a ball thrust bearing behind the other hook, which carries the propeller. In the enlarged view the cap at the propeller end is being held away from the end of the celluloid tube, exposing to view the elastic. OUR SPEED-ALARM PRIZE. THERE seems to be a little doubt in the minds of some of our readers regarding the conditions of our Speed Alarm Prize so far as they affect the question of taking out patents and the making of experimental devices. *•<• It must be clearly understood that we ourselves can have no financial interest in the success or otherwise of any design submitted, and we leave it entirely to competitors to take what steps they please to protect themselves by patents or to prove the practical value of their ideas by making their devices and getting them tried. Realising that some of our readers possessed of good ideas on the subject might not have the opportunity to make experiments, and not wishing to curtail the scope of our offer, we purposely refrained from restricting the conditions in such a way as would have rendered it essential for the inventor to construct his apparatus. On the other hand it is obviously to the advantage of competitors to make their devices and to get them tried if they can, for if they do not do this they must take the chance of someone else being sufficiently impressed by their designs to do so instead. It is open to anyone to construct a speed alarm to any of the designs published in FLIGHT if they have not been patented before their appearance. Patented devices are eligible for the competition, but since their protection precludes their trial by others it is necessary in this case for the inventor to make his own tests. The date for closing is Oct. 31st., after which no designs can be considered as eligible. 761
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