How to paint and weather a tank model/Tumpeter 1/35 E-50

The E-50 ( Panzerkampfwagen E-50) was a german tankproject from the second world war. The E series should replace the tanks who was build so far. This tank should be weigh about 50 tonnes and equipped with the 88mm KwK 43 L/71. He should be powered with a Maybach HL 234. Top speed would be 50km/h.