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Tuesday, 01 May 2012 16:36

Savoia Marchetti S.75 RT

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Maquette et photos de Gabriele Luciani


The Savoia Marchetti S.75 was one of the more important military transport and civil product in Italy from the end of years 30. Widely employed from Regia Aeronautica, species in the connections between Italy and the colonies, he was protagonist of memorable enterprises : they were produced in versions that were distinguished externally for the configuration of the vertical rudder, initially similar to S.81, then equal to that one of the S.82, and, in the version bis, squared and stumped or like the first configuration. From the same one it came gained a seaplane, the S.87. The fact that the wing platform of these aircrafts remained unchanged like 90 %, has pushed the polish Broplan to reproduce all varying, in four confection different, at first the bis and then the others, leaving from that one with the rudder S.82 type, in its range of models in vac-u-form.

This kit is composed from seven sheets (of which one for the transparent parts) on which are printed publication 50 parts and two trees with 29 pieces everyone in low pressure plastic. All these members are identical to those of the others kit dedicate from this company to the several versions of S.75, only the sheet with the tail and the diving planes is different. Moreover, like custom of the Broplan, the plastic of the thermoformate parts is not much thick one, in some drawn is truly risked: in a generalised manner that facilitates very the liberation of pieces and their cleaning but subsequently the same characteristic reveals a consistent annoyance in the successive course of the construction of kit. The inject parts must be cleaned up from slobbers and reproduces: shovels of the propellers and relative ogives, legs undercarriages, wheel of tail, stars and motor, frontal drainages of the nache motor, actuators and counterbalances of the ailerons andirons, and for the space pilots (only inner part which they are dedicates of pieces) two seats (decomposed in four pieces everyone...) cloches (to they time uniforms in insert and asta), dashboard. Many pieces are doubled and makes unusable to you, it would have been better instead to put some other piece in iniettata plastic like cowlings of the motors and the wheels : all these particular ones are instead in vacuform, everyone decomposed in two pieces with cited the risked thickness...

With this particular model can be reproduced the aircraft M.M.60539 also called G.A (Great Autonomy) or also R.T., employee for the round-trip flight carried out between the end of the month of june 1942 and the 20/07/1942 between Rome and Tokyo : this adventurous connection in time of war between two countries allies but separate from enemy powers, was carried out for recuperate the new codes secrets for the communications radio between Italy and Japan. A detailed report of this enterprise can be find on number 45 - June 1997 of Storia Militare magazine (Tuttostoria-Parma). From the photos of the aircraft published on the cited review, has noticed that the same M.M. 60539, beyond to being disarmed, one endured did not introduce the line of the windows in typical fuselage of the other S.75 but only after the cockpit and two in proximity of the doors in fuselage. With the cianoacrilico adhesive, before cutting pieces from the plastic, I have filled up the present recordings on seeds fuselages of the Broplan model that reproduced the other windows and the cupola of the advanced machine-gun. Once dried up the adhesive, with abrasive paper I have levelled all, only king-recording the horizontal panelling and opening the six cited windows. Other differences of S.75 RT is found in the configuration of the windows of the space pilots.

The model reproduces with recordings the little external panellings of the real aircraft and of it it respects shapes and dimensions. The hinge of the assembly of the kit (for which the Broplan supplies a clear sheet instructions) is in assemlbing of its two semifuselages: the shape of the sames concurs to insert to their inside various other bulkheads of I reinforce beyond to the two sun supplied of kit (one vertical and one horizontal, relative both to the space pilots). For all the length of the fuselage, in correspondence of the union zone, I have inserted also two strisce of palsticard, always for giving compactness, necessary also in is made of puttyng and of abrasion of the sign of splice, two operations will be repeated and lasted to along for all the unions of pieces putting to hard try the patience. The Broplan for the reproduction of the vetrate parts of the flight deck supplies like separated piece, in always termoformato transparent acetate, all the roof of the same cabin: it is a solution that personally I do not appreciate preferring instead to open the sfinestrature that then I fill up to the end with the transparent liquid Kristal Clear. The tail of the aircraft joins to the semifuselages in way relatively easier, not therefore the two wings. These are to they time decomposed in two pieces; to their inside a spar (present between the parts in vac-u-form would go place) that passing in the fuselage, it would have to act as also from base for the legs of the used undercarriage. Unfortunately this spar must rasped in various points otherwise one does not become part in the fuselage and it would give to the wings a irreal corner. The splice between wings and fuselage then is an other point where it will have to be abounded with the putty and with small pieces of plasticard: at least in the instructions the Broplan has inserted of the trittici of the aircraft and that facade is most useful in this phase that will be longest; completed the same one, the construction of the kit is completed with other particular like the three motors, the undercarriages and the vertical rudders. Pieces that reproduce the drainages motor are not suitable for S.75 RT (than it had them much longer and angled); the same aircraft introduced under the edge near the motors, some air intakes and over, in correspondence of the same ones, an extracting machine of flow; there are also a goniometer to bulb and two antennas to stilo on the back of the fuselage limitrofa in place of pilotage. Finally finished the construction, it can be passed to reproduce the external livery of S.75 .

The first exemplary of the aircraft with the tail S.82 type, exiting from the factory, being assign to you to personality like Cesare Balbo or Pietro Badoglio, had the typical coloration and registration of the Italian civil aircrafts. At first hostilities came reshapes with camouflage field to spots; the 20 exemplary produced from January 1942 had all the camouflage green dark olive 2 (Humbrol 92) for superficial advanced and blue gray 1 for those inferiors. The S.75 R.T. had this camouflage one but it also had the remarkable characteristic of being the only Italian airplane in WWII to having the standards Japanese insignias, overlapped to those usual ones of the Regia Aeronautica, conserving the usual fascio in fuselage and the cross in tail. The Hinomaru came applies the 03/07/1942 at the field of Pao Tow Chen, in the part of controlled inner Mongolia from the Japanese and remained for the remaining draft of the flight until Tokyo.

The red circles came only cancels before the happened departure the 18/07/1942 from the same Chinese field. Thanks to the collaboration of Riccardo Trotta, associate IPMS connected Italy and famous expert of thematic to the history of the Regia Aeronautica, I have been able to examine other photos of S.75 R.T., published on semimonthly “Ali di Guerra” of the 10/08/1942, ascertaining therefore the dimensions of the Japanese standards applied to the Italian aircraft. For the four of the wings I have thought opportune to use of the Hinomaru of 25 milimeter of diameter (features from the sheet decals of the BR.20 Italeri in 1/72) and for the two in 11 fuselage I have used decals of milimeter of diameter while wrap it 13 white woman is wide milimeter approximately. The cross in tail has been realized with templates; the coat of arms of Savoia house on the tail cross and makes us in fuselage is drawn from sheets Sky Model and/or Tauromodel. If you see the photos of S.75 R.T. can see that in fuselage, in proximity of the wing root, there is a zone where the varnish appears consumed and cleared, a lot probably for the duration of the flight (the same zone appears still more extended, in a photo of the aircraft to the return to Rome), and also the frontal rings of the nache motor it appears worn away : these are the only signs of aging that I have believed necessary to apply to the coloration of the model.

Creed to have express with these my words how much has been long the construction of a kit like S.75 in 1/72 of the Broplan, but I return to say that once that they are successful to finish it they have been much satisfying of the final result, a lot that I am already thinking next to the construction of S.M.75 with the rudder like S.81, quite with civil standards, to that one S.87 and also to that one kit exited Broplan, idro twin-engine Macchi C.94 !

That article is publisched by a special permission from A.M.M. - Associazione Modellistika Manfredonia (Foggia) Italia-
Read 23788 times Last modified on Thursday, 12 July 2012 19:52