Plastheniker Posted September 17, 2013 Share Posted September 17, 2013 Hi, from 1935 Mercedes gained a superiority in GP racing that was never again achieved by any other manufacturer in GP (later F1) history. The only set-back in these years was 1936 when the Mercedes W25 was defeated by the Auto Union Typ C that I showed some weeks ago. Before 1938 there were no engine restrictions in GP racing. This resulted in insane top speeds of nearly 400 kph. Therefore from 1938 GP designers had to choose between a maximum displacement of 4500 cc for naturally-aspirated engines and a maximum displacement of 3000 cc for supercharged engines. Mercedes' completely new car for this new formula was the W(agen)154, that was technically so far ahead of its competitors that it dominated GP racing almost totally; the only serious competitor was the Auto Union Typ D. In 1938 f. e. there were several GPs where the W154s finished first, second and third simultaneously. For the 1939 season the W154 got a re-designed body and the new M(otor)163 engine. My model is a replica of this car. If you regard the pictures of the chassis you will see some technical features that made the W154 a real pacemaker in racing car development. Keep in mind that some competitors still used rigid axles, mechanical brakes, U-channel ladder-type frames, friction shock absorbers and leaf springs. 4ohc V-12, 48 valves, two-stage supercharger for improved torque at low revs Chassis made of oval tubes for higher rigidity An angled drive line made the driver sit beside the prop shaft for a lower center of gravity Double-wishbone front axle De Dion rear axle ingeniously guided by a pin moving up and down in a vertical groove in the transaxle housing Hydraulic brakes and hydraulic shock absorbers No more traditional coachwork: the surface of the rear tank and the saddle tank were part of the painted body; all panels were fixed by turn-to-open fasteners (looking like Philips screw heads on the complete car) and could be removed in seconds for repairs I spent about 1200 hours in the pre-www era building both models. Because I wanted to keep the characteristic connecting tubes between the rear and the saddle tank without covering the interesting rear axle I took the freedom of fitting a symbolic rear tank as I saw it on a picture of a 1:1 exhibition vehicle.The Casadio 1/20 metal kit is the crudest of all kits I know. Fit, parts quality, detail and authenticity are so poor that after a while I had the feeling of being fallen into quicksand. This picture of an old Casadio catalogue may give an impression of a chassis built OOB.. Nevertheless parents love a problem child most - so today this is one of my favourite models. Similar topics of mine: 1907 Fiat 130 HP Grand Prix Racer 1/20 http://www.modelcars...showtopic=75350 Auto Union Typ C - Grand Prix Champion 1936 1/20http://www.modelcarsmag.com/forums/index.php?showtopic=76696 Quote Link to comment Share on other sites More sharing options...
peekay Posted September 17, 2013 Share Posted September 17, 2013 (edited) This should be on display at the Mercedes Benz Museum! A true masterpiece!Oh, and great photography too. Edited September 17, 2013 by peekay Quote Link to comment Share on other sites More sharing options...
Miatatom Posted September 17, 2013 Share Posted September 17, 2013 Another beautifully completed model. Jurgen, you amaze me! Quote Link to comment Share on other sites More sharing options...
cobraman Posted September 17, 2013 Share Posted September 17, 2013 Very, very nice ! Quote Link to comment Share on other sites More sharing options...
sjordan2 Posted September 17, 2013 Share Posted September 17, 2013 Okay. Perfekt. Awesomely beautiful work. Couldn't be better. Now let's see you do a 1969 Camaro. Quote Link to comment Share on other sites More sharing options...
Draggon Posted September 17, 2013 Share Posted September 17, 2013 Stunning! I was saying to myself " holy carp" while viewing the pics. Is this your masterpiece, or are there...O never mind, I just looked at that Fiat and the Auto Union. All incredible! Quote Link to comment Share on other sites More sharing options...
the goon Posted September 17, 2013 Share Posted September 17, 2013 Man I hate people with talent That is a perfect build! Very well done. Mark Quote Link to comment Share on other sites More sharing options...
Chris White Posted September 18, 2013 Share Posted September 18, 2013 Is that the real car or the model ????? Quote Link to comment Share on other sites More sharing options...
Bastardo Posted September 18, 2013 Share Posted September 18, 2013 How good can a model look? This good! Quote Link to comment Share on other sites More sharing options...
Dinky Posted September 18, 2013 Share Posted September 18, 2013 Very impressive! Quote Link to comment Share on other sites More sharing options...
Plastheniker Posted September 19, 2013 Author Share Posted September 19, 2013 Thanks for your comments. I admit that I am a bit surprised that there is so little interest in one of the milestones of racing history. But I don't care , I have a thick skin. For the few GP connoisseurs I will go on. My next pair will be the 1951 Alfa Romeo Tipo 159 Alfetta. I hope you will be interested again. Quote Link to comment Share on other sites More sharing options...
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