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This two-part model kit represents the Maybach HL230 P30 motor used during World War Two by German heavy tanks including many Tiger Is, King Tigers (Tiger IIs, Royal Tigers, Königstigers), Panthers, Jagdpanthers, Jagdtigers, and early Sturmtigers (Sturmmörserwagen).
This 3D-printed model is not a 3D-printed copy of any plastic model kit's parts. Therefore, it may be sized and shaped differently from your plastic kit's engine. Some adjustment to your plastic kit's parts may be necessary for best fit. 3D-printed acrylic plastic is brittle. Care is recommended during assembly and handling.
This 3D-printed motor is designed from scans of original Maybach factory drawings entitled "French Army studies of captured equipment, 1945: General Arrangement Drawings HL230 P30", in the possession of the bureau d'études de l'Atelier d'Issy-les-MoulineauX (AMX). There were several minor variations among these motors. This design follows the configuration as drawn by Maybach.
"The engine had a volume of 23,095 cm³ (approx. 1,925 cm³ per cylinder) and a maximum output of 700 PS (690 hp, 515 kW) at 3,000 rpm. Maximum torque is 1850 Nm at 2,100 rpm. Typical output was 600 PS (592 hp, 441 kW) at 2,500 rpm.
"The crankcase and block were made of cast grey iron. The cylinder heads were made from cast-iron. The engine weighs 1200 kg and its dimensions were 1000 x 1190 x 1310 mm. Aspiration was provided by four twin-choke Solex type 52JFF carburettors. As was typical practice for Maybach, the engine used a tunnel crankshaft.