Description
High quality ,5 gang 4~73 pF per section variable air capacitor made by Tronser(Germany) for a British top quality mil/commercial communications units manufacturer.The unit is totaly chrome plated(!),except the rotor/stator plates for obvious functioning reasons(bare brass).The baseplate is a solid 10mm thick solid brass 37X114mm.Dimentions 113(L),40(W),49(H)mm.Stator plate spacing:1,50mm,rotor plate thickness:0,52mm,so plate spacing between stator/rotor plates,when fully meshed will be 0,49mm.According to ARRL handbook calculations,this gives a working voltage of 1200 Volts peak.Rotor balanced on heavy duty ballbearings,provision for rotation stop.Shaft thickness 4mm,length 7mm.All rotor sections isolated from frame and shaft and each other,all stator sections isolated as well from frame and between each other.In original packaging,serial number hand written on it!Kindly note that this unique product was custom made so never appeared in manufacturer’s lists…Quite heavy,it weights 700g.
