AEROPOXY Posted June 12, 2005 Share Posted June 12, 2005 Hi, I want to share my latest scratchbuilt project with LSP forum members, and show how i made an scratchbuilt "quick built" floatplane bipe from 1924 in just two weeks. Yes, i built this model in just 14 days, working 2-3 or more hrs each day, collecting total of some 50 working hours. I work under pressure to meet the deadline of 11th June and 11th "IKAR Cup"IPMS Yugoslavia modeling contest held in my citty, Novi Sad, Vojvodina province , Serbia & Montenegro (former Yugoslavia) (yes, such a loooong name for small country,heh!). I started "Shimika-SM" model on may 28th and finished it on 11th June, in 01 hr in the morning of the contest. Still fresh smelling on final coat of paint , this model took 2nd place in its category( mixed Scratchbuilt and Upgraded kits category). So, to present the IKARUS SM, first originaly designed and built aeroplane in Kingdom of Yugoslavia.There are some licence built planes in early 1920s in Yugoslavia, but first series produced plane(in fact floatplane) completely designed and built was IKARUS SM, where Ikarus is factory name and SM means Skolski Mercedes or School Mercedes, depicting the training role of this floatplane. Designed by ing. Josef Mickl, ex MLV constructor , in 1921/22, the Ikarus factory in Novi Sad, built first prototype in late 1924 and first series of 6 planes was delivered in early 1925. Totaly, 42 planes were delivered in seven batches of 6 planes each for Royal Yugoslav Naval Aviation. First six planes were powered by Mercedes 100HP engine, 2nd and 3rd by Czech licence built Breitfeld&Danek BLESK 100HP(Mercedes 100HP). Fourth series was redesigned to fit 160 HP Mercedes D II engine and 5th and 6th series was powered by Mercedes D II 120 HP engine. These planes served as basic trainer type till outbreak of WW II , in april 1941. some 4-5 planes were captured by Italians but they never saw any use in Italian colours. Here are presented few photos, scale drawing and paint scheme for Ikarus SM. IKARUS SM , "Shimika" artwork, made by famous Yugoslav modeling artist, Mr.Ognjan Petrovic, IKARUS SM, No1, first (and only) prototype Row of Ikarus SMs at Naval Base Kumbor, Boka Kotorska, (Now Montenegro) late 1920s, Ikarus SM, No 21, late 1930s, Starting of the IKARUS SM engine,No 23 Close Fly-By of Ikarus SM No 24 Ikarus Factory add from old Yugoslav aviation publications, IKARUS SM, technical drawing, Paint scheme of IKARUS SM, No 14. Plane is overall painted in light blue, I split this topic in few parts, just to keep it easy to download as more than 100 photographs are presented, RGDS, AEROPOXY Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 And to start with building process photo story, With my Radio Control and Free Flight Flying models experiences, i chose to build this model in Balsa, using standard aero modeling techniques to produce main airframe of Ikarus SM. Wings are made of 3-4mm balsa sheets, fuselage is built using 1-1,5mm balsa sheets, carved and glued according the plans.All the details asre sanded and primed by few coats of lacquer, then covered with Japan tissue, to cover the balsa wood heawy grains, which helps to later primed and sanded model to smooth surfaces. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 On the wings are glued strips of self adhesive foil (Orafilm) to imitate wing ribs structure. These strips were later cowered with few coats of paint and sanded to smooth surfece imitating wing fabric covering structure . Whole model is then primed with few coats of paint, sanded between each coat and then sealed with Pronto( European version of FUTURE). In meantime, i made and Mercedes D.I / Blesk 100 HP engine, using sheet styrene , plastic and copper tubes and coper wire, paper "soaked" in thin superglue, self adhesive foils etc....sanded, glued,primed, detailed in few steps. Prop was carved from 6mm balsa wood, sanded and then filled using superglue,which is fast and easy process. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Some details, tubing added... Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Engine detailing finished, And primed, Then painted, waiting for drybrushing and shading, Main airframe structure is also primed, polished and partialy assembled. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Some pictures of cockpit area, And control "wheels" with instrument dials printed on my home laser printer(Canon LBP810), on clear decal film(www.TangoPapa Decals.com). And completed cockpit,waiting for drybrushing and detailing. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 So, go to the control surfaces, aileron, horisontal tail, and vertical tail, Tailplane pre assembled, Wing struts were made from 2mm thick plasticards, with steel wire glued in pre drilled holes. Strut tips were filled using superglue and resin dust, which made strong, smooth and fast built wing struts. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Wing floats(pontoons) were made using mixed materials, balsa wood and vacformed( heat formed) sheet styrene, 2mm thick. Using plastic ball as master plug and pressing heated styrene over it i made two rounded parts, for wing float front parts. Then sanding and gluing all the parts i create two wing floats, covering it with few coats of superglue as base coat. All the surfaces were later sanded and polished, and - wing floats were made in just 10 minutes. I use regular superglue in packed small tubes, here in Serbia are available in 50 pcs box for less than 3 EUR/4US$ Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 And few more photos of assembling process, tailplane again, and engine mount , Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Top wing temporary placed, to test fit wing struts,then go to the paint shop, final coats of paint, pre shading of wing ribs, And finaly, all the wing struts glued, Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Engine /top wing support struts(copper wire 1mmdia) placed, Just one step of insignia airbrushing, using Aeropoxy Cool Mask airbrushing masks, and "VOILA"!, Shimika floatplane is finished, just few photos of fuselage insignia airbrushing , decaling and wing rigging missed, i do this few minuts past midnight and have no time to take a shots of this , its just 7 hours to 11th "IKAR Cup" oppening ceremony, and i do not want to miss it. Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 So, here are some pictures of finished model from various points of view. Kingdom of Yugoslavia state flag on tailplane, Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 So, here are some pictures of finished model from various points of view. Kingdom of Yugoslavia state flag on tailplane, Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Royal Yugoslav Air Force/Naval aviation insignia, Front view,including rubber bumper on the nose, Cockpit area and engine radiator, including hand powered inertia starter crank, Link to comment Share on other sites More sharing options...
AEROPOXY Posted June 12, 2005 Author Share Posted June 12, 2005 Nose inscription, insignia and serials,starboard sied on Cyrilic letters Port side on Latin letters,standard manner on all Royal Yugoslav Aircrafts in pre WW II era. Underside view, not a lot of details, but shows insignia positions, And top view , with engine radiator details, Mercedes D.I. - 100 HPEngine details, Link to comment Share on other sites More sharing options...
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