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Aviation History
1939
1939-1- - 1312.PDF
418 P j^KFD5 NOVEMBER 23, 1930 IT is very refreshing, in these times, to be able to place on record the production in this country of a new type of aircraft. To Mr. D. M. K. Marendaz falls the credit fov having enabled Flight to publish a description of the first new British aeroplane of the war era. The machine is a two-seater trainer, and as the photographs show, it conforms to the popular conception in that it is a low-wing cantilever monoplane. The Marendaz Trainer has been designed for bringing up pupils on a type of machine which will represent the larger and more powerful types which they will be called upon to fly later. Yet in spite of the fact that it is a low-wing monoplane, the designer has aimed at retaining in its fea tures and characteristics the virtues of the biplane training machine. This has been aimed at by a careful choice of wing section, c.p. and e.g. position. Structurally the Marendaz Trainer is a perfectly ortho dox aeroplane, with stressed wooden skin, two-spar wing construction, and the usual small number of stainless steel fittings where highly stressed wooden parts are joined to gether. In the wing construction it is to be noted that the plywood covering extends over the whole wing area, i.e., one does not find the fabric covering aft of the rear spar which is so often used. Any in-line engine of from 80 h.p. to 150 h.p. can be installed. The prototype has a Cirrus Minor, and the figures which follow refer to the machine so powered. The machine, it should be mentioned, will be marketed with a Fully Aerobatic C. of A. The main dimensions of the Marendaz Trainer are: Length o.a. 22ft. 4m.; wing span 34ft.; wing area 157 sq. ft.; The weight empty is g6olb. and the loaded weight The New MARENDA: Designed for Preparing the Pupil He Willi 1,500 lb. The disposable load includes pilot, passenger, luggage, 13 gallons of petrol and 2 gallons of oil. At a cruising speed of about 95 m.p.h. this gives a range of 350 miles. Extra tanks can be fitted to bring thj range up to 700 miles. The wing loading is 9.5 lb./sq. ft. and the power loading 15.5 lb./h.p. With these loadings the maximum speed is in the neighbourhood of 124 m.p.h., the The built-in wing tip slots are one of the modern features of the Marendaz Trainer. An unusual type of undercarriage is fitted (left). The wheels roll sideways in a landing. The three-quarter rear view on the opposite page brings out the clean lines.
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