![]() 020" thick and were machined from redundant transformer laminations as is the armature. The soft iron cores each have 20 laminations. These magnets are extremely powerful having a flux density of 13500 gauss. 1:3 scale copy of the Wico Impulse Magneto type EK, and was made using five 10mm dia x 5 thick neodymium 45 magnets are arranged in series between two soft iron laminated cores. were single point screwcut, with the only exception being the brass screws in the magneto and the decals. The crankshaft and connecting rod were machined from EN8 flame cut profiles the fuel mixer and non return system, tank filler, rocker and governor were all machined from bronze and steel bar stock piston rings were machined from scrap car brake discs spark plugs with spares have cores made from machinable ceramic with the earth points machined integral (not bent to suit), and the cores are detachable, not glued.Īll nuts were made and all studs and bolts down to No 2 A.N.C. A casting and drawings kit for this Economy model was purchased from the Engineers Emporium but the builder prepared his own drawings from sketches and graphic illustrations in a book.
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