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A LongRange Seaplane

A LongRange Seaplane February, 1935 AIRCRAF T ENGINEERING 45 A Zapatta-Designed Flying Boat Which Has Set up a New Distance Record THE Cant.Z-501 in which the pilots Stoppani The Cant. Z-501 carries a load of 500 kg. and Corrado, with Studiano as wireless (1,1001b.) of bombs. The bomb sights are operator, established a new long distance located behind the first bulkhead on the star­ record for flying boats with a flight of 4,122 board side. From this position the bomber kilometres (2,560 miles) from Monfalcone in is able to operate the rudder flap to correct Italy to Massaua in Eritrea, in a newly designed slight deflections after having sighted his machine for naval reconnaissance and light objective. Photographic apparatus is carried bombing. By its flight, accomplished on between the pilot's cockpit and that of the October 18, 1934, it beat the world's record forward gunner, and wireless equipment is previously established by an American crew carried aft of the rear gunner's position. on January 11, 1934, who flew a twin-engined Photographs are taken through an opening in 10-P-1 flying boat over a distance of 3,860823 th e bottom of the boat, which is closed by a kilometres (2,500 miles). watertight trap. Two hammocks can be slung in the after part of the boat so tha t some of the The Cant. Z-501 was built by the Officine crew may rest during long flights. Aeronautiche Monfalcone, or Aircraft Con­ struction Works at Monfalcone, of the Cantieri The centre section of the main plane carries Navale Triestino, who are now a part of the the engine nacelle and gunner's turret. The large industrial organisation, known as the twin Lewis 7∙7 calibre machine-guns are Cantieri Riuniti dell' Adriatico, who control mounted on a ring over the rear, and command important shipyards, foundries, electrical, a wide range. In front of this position is a railway and other equipment works, located large windscreen, and spare ammunition trays principally in Trieste, Monfalcone and Venice. are carried on the side. In front of the scat The record breaking flying boat was designed are two panels of engine control instruments, by M. Zapatta, the well-known engineer who and above it an electric button, which signals used to be with the Bleriot firm and designed t o the pilot by a light for telephonic communica­ the big four-engined Bleriot 5190 boa t described tion if desired. Also carried in this nacelle are in AIRCRAFT ENGINEERING, Vol. VI, January th e starting magneto, compressed air pump, 1934, p. 34. The Cant. Z-501 is a four-seater, fuel gauges, and, in the rear part, an emergency high wing monoplane, fitted with a geared generator for the wireless equipment. The Isotta Fraschini 750 h.p. water-cooled engine. usual bulkhead is placed between the engine For naval purposes it is particularly well armed nacelle and the gunner's position. This is both offensively and defensively. I t has thre e gun provided with an opening to enable the positions for defence, one of which is mounted mechanic-gunner to inspect the engine during on the wing in a rearward extension of the flight. The emergency hand pump can also be wing floats are carried by two vertical struts engine nacelle. operated from the pilot's position by a cable from the main plane with two bracing members connection. attache d to the main plane bracing struts. The Cant. Z-501 is of wooden construction Their construction is of wood and analagous throughout. The semi-thick main plane is built The Isotta Fraschini "Asso " geared 750 h.p. t o that of the main hull. engine is carried in front of the leading edge in two sections and has rounded tips. The on a duralumin mounting, which is supported two halves meet at the engine nacelle, where The tail is of wood with fabric covering. in front by a pair of steel struts sloping back­ they are carried over the boat by N-shaped The stabilizer is braced from below by a pair of wards to the boat, the rear end being attached steel struts. They are braced by sloping oblique struts on either side. The elevators are struts on each side to the boat in such a way t o the front spar. fitted with small trimming flaps,which are adjust­ that most of the stresses are transmitted to able in flight, the rudder having a similar flap. The wing tanks have a total capacity of the bulkheads of the boat. The portion of The accommodation in the hull consists of 2,800 litres (676 gals.). Each tank has its own the main plane between the engine nacelle and the forward gunner's position, two pilot's valve, and there are two valves for isolating the the bracing struts is occupied by fuel tanks, tanks , one for each wing section, to prevent positions and that of the rear gunner. The of which there are four on each side, two in fuel from passing from one wing to another. forward gunner's position is armed with a front and two in the rear. The main plane B y the addition of a 500 litre fuel tank carried single machine gun, and is occupied by the structure is built up of spars and ribs in wood, in th e boat, giving a total fuel capacity of 3,300 second pilot. Five hundred rounds are carried the whole being covered with fabric. in a box within convenient reach. The two litres (725 gals.), the Cant. Z-501 has a gross pilot's positions are arranged side by side, each weight of 3,200 kg. (7,050 lb.), of which 600 The hull, also of wooden construction, is having a separate windscreen. The engine kg. (1,320 lb.) constitutes the military load. divided into three watertight compartments, controls are carried above and between the two and has a two-step bottom. Longitudinally PRINCIPA L CHARACTERISTICS Spa n .. .. .. .. .. scats so as to avoid obstruction between them. 22∙ 5 m. (73 ft. 9¾ in.) the structure is constituted of spruce longitu­ Lengt h .. .. .. .. .. .. 14∙3 m . (47 ft.) The instrument panel is placed in front of dinals with ash stringers, and the bottom up Heigh t .. .. .. .. .. 4∙425 m. (14 ft. 6 in.) the normal pilot's position, which is on the Are a .. .. .. .. .. 62 sq. m. (667 sq . ft.) to the water line is covered by two thicknesses Volum e of boat .. .. .. .. 19 cu . m. (670 c. ft.) port side. The seat of the second pilot can be of wood, with a layer of fabric treated with Tar e weight .. .. .. .. 3,400 kg. (7,4801b.) folded back when not required. The rear Norma l useful load .. .. .. 2,100 kg. (4,620 lb.) protective varnish between. The part above Norma l gross weight .. .. .. 5.500 kg. (12,1001b.) gunner, who is also the wireless operator, the waterline to the deck is covered with Maximu m speed .. .. .. .. 260 k.p.h. (160 m.p.h.) occupies a cockpit armed with a single machine Cruising speed .. .. .. .. 220 k.p.h. (137 m.p.b.) tulip wood, over which is a specially treated Rang e a t cruising speed (still air) .. 2,400 km . (1,530 miles) gun, in front of which is a large windscreen. fabric covering to give added protection. The Climb to 4,000 metres .. .. .. .. 26 minutes http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

A LongRange Seaplane

Aircraft Engineering and Aerospace Technology , Volume 7 (2): 1 – Feb 1, 1935
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029904
Publisher site
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Abstract

February, 1935 AIRCRAF T ENGINEERING 45 A Zapatta-Designed Flying Boat Which Has Set up a New Distance Record THE Cant.Z-501 in which the pilots Stoppani The Cant. Z-501 carries a load of 500 kg. and Corrado, with Studiano as wireless (1,1001b.) of bombs. The bomb sights are operator, established a new long distance located behind the first bulkhead on the star­ record for flying boats with a flight of 4,122 board side. From this position the bomber kilometres (2,560 miles) from Monfalcone in is able to operate the rudder flap to correct Italy to Massaua in Eritrea, in a newly designed slight deflections after having sighted his machine for naval reconnaissance and light objective. Photographic apparatus is carried bombing. By its flight, accomplished on between the pilot's cockpit and that of the October 18, 1934, it beat the world's record forward gunner, and wireless equipment is previously established by an American crew carried aft of the rear gunner's position. on January 11, 1934, who flew a twin-engined Photographs are taken through an opening in 10-P-1 flying boat over a distance of 3,860823 th e bottom of the boat, which is closed by a kilometres (2,500 miles). watertight trap. Two hammocks can be slung in the after part of the boat so tha t some of the The Cant. Z-501 was built by the Officine crew may rest during long flights. Aeronautiche Monfalcone, or Aircraft Con­ struction Works at Monfalcone, of the Cantieri The centre section of the main plane carries Navale Triestino, who are now a part of the the engine nacelle and gunner's turret. The large industrial organisation, known as the twin Lewis 7∙7 calibre machine-guns are Cantieri Riuniti dell' Adriatico, who control mounted on a ring over the rear, and command important shipyards, foundries, electrical, a wide range. In front of this position is a railway and other equipment works, located large windscreen, and spare ammunition trays principally in Trieste, Monfalcone and Venice. are carried on the side. In front of the scat The record breaking flying boat was designed are two panels of engine control instruments, by M. Zapatta, the well-known engineer who and above it an electric button, which signals used to be with the Bleriot firm and designed t o the pilot by a light for telephonic communica­ the big four-engined Bleriot 5190 boa t described tion if desired. Also carried in this nacelle are in AIRCRAFT ENGINEERING, Vol. VI, January th e starting magneto, compressed air pump, 1934, p. 34. The Cant. Z-501 is a four-seater, fuel gauges, and, in the rear part, an emergency high wing monoplane, fitted with a geared generator for the wireless equipment. The Isotta Fraschini 750 h.p. water-cooled engine. usual bulkhead is placed between the engine For naval purposes it is particularly well armed nacelle and the gunner's position. This is both offensively and defensively. I t has thre e gun provided with an opening to enable the positions for defence, one of which is mounted mechanic-gunner to inspect the engine during on the wing in a rearward extension of the flight. The emergency hand pump can also be wing floats are carried by two vertical struts engine nacelle. operated from the pilot's position by a cable from the main plane with two bracing members connection. attache d to the main plane bracing struts. The Cant. Z-501 is of wooden construction Their construction is of wood and analagous throughout. The semi-thick main plane is built The Isotta Fraschini "Asso " geared 750 h.p. t o that of the main hull. engine is carried in front of the leading edge in two sections and has rounded tips. The on a duralumin mounting, which is supported two halves meet at the engine nacelle, where The tail is of wood with fabric covering. in front by a pair of steel struts sloping back­ they are carried over the boat by N-shaped The stabilizer is braced from below by a pair of wards to the boat, the rear end being attached steel struts. They are braced by sloping oblique struts on either side. The elevators are struts on each side to the boat in such a way t o the front spar. fitted with small trimming flaps,which are adjust­ that most of the stresses are transmitted to able in flight, the rudder having a similar flap. The wing tanks have a total capacity of the bulkheads of the boat. The portion of The accommodation in the hull consists of 2,800 litres (676 gals.). Each tank has its own the main plane between the engine nacelle and the forward gunner's position, two pilot's valve, and there are two valves for isolating the the bracing struts is occupied by fuel tanks, tanks , one for each wing section, to prevent positions and that of the rear gunner. The of which there are four on each side, two in fuel from passing from one wing to another. forward gunner's position is armed with a front and two in the rear. The main plane B y the addition of a 500 litre fuel tank carried single machine gun, and is occupied by the structure is built up of spars and ribs in wood, in th e boat, giving a total fuel capacity of 3,300 second pilot. Five hundred rounds are carried the whole being covered with fabric. in a box within convenient reach. The two litres (725 gals.), the Cant. Z-501 has a gross pilot's positions are arranged side by side, each weight of 3,200 kg. (7,050 lb.), of which 600 The hull, also of wooden construction, is having a separate windscreen. The engine kg. (1,320 lb.) constitutes the military load. divided into three watertight compartments, controls are carried above and between the two and has a two-step bottom. Longitudinally PRINCIPA L CHARACTERISTICS Spa n .. .. .. .. .. scats so as to avoid obstruction between them. 22∙ 5 m. (73 ft. 9¾ in.) the structure is constituted of spruce longitu­ Lengt h .. .. .. .. .. .. 14∙3 m . (47 ft.) The instrument panel is placed in front of dinals with ash stringers, and the bottom up Heigh t .. .. .. .. .. 4∙425 m. (14 ft. 6 in.) the normal pilot's position, which is on the Are a .. .. .. .. .. 62 sq. m. (667 sq . ft.) to the water line is covered by two thicknesses Volum e of boat .. .. .. .. 19 cu . m. (670 c. ft.) port side. The seat of the second pilot can be of wood, with a layer of fabric treated with Tar e weight .. .. .. .. 3,400 kg. (7,4801b.) folded back when not required. The rear Norma l useful load .. .. .. 2,100 kg. (4,620 lb.) protective varnish between. The part above Norma l gross weight .. .. .. 5.500 kg. (12,1001b.) gunner, who is also the wireless operator, the waterline to the deck is covered with Maximu m speed .. .. .. .. 260 k.p.h. (160 m.p.h.) occupies a cockpit armed with a single machine Cruising speed .. .. .. .. 220 k.p.h. (137 m.p.b.) tulip wood, over which is a specially treated Rang e a t cruising speed (still air) .. 2,400 km . (1,530 miles) gun, in front of which is a large windscreen. fabric covering to give added protection. The Climb to 4,000 metres .. .. .. .. 26 minutes

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Feb 1, 1935

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