Each polyvaricon is supplied with two M2.5 x 6mm fixing screws and two M3 nuts to use as spacers. The body is 21mm square and 13mm front to back. Tuning is by a 6mm diameter shaft extended to 17mm long. I reckon it's not that difficult to produce your own as you can etch the vanes and cut acrylic ends out and assemble them onto threaded rods spaced with nuts/washers. Two Dual gang polyvaricon tuning capacitors, 160+65pF variable and each with a 15pF trimmer connected. I also spent some time last night designing a new air variable. KOREA MARVEL P2-02GJT 2 GANG POLYVARICON/VARIABLE CAPACITOR FOR AM&FM RADIO AM-2 O82PF A140PF Date Code: 85 Condition: New in Box. Probably why air variables command so much money! I'm not sure what dielectric they use but I've found it crumbles a bit after a few years. Polyvaricon, Variable Capacitor, 160+65pF with 6mm dia extended shaft, qty 4 Sponsored items customers also bought Feedback on our suggestions ALPS Air Variable Capacitor 25 - 450pf for Crystal Radio Antenna Tuner Ham Radio New 14.99 + 7.00 shipping 419 sold ALPS Air Variable Capacitor 20-360pf for FM AM SW Crystal Radio Antenna Tuner New 14. The transformer was beyond my reverse engineering capability then and i proceeded to connect the mains to the 6.3v secondary which filled my nan's kitchen up with smoke in about 3 seconds flat.ĭue to a gap in interest in the early 1990s I got rid of it all for some silly reason.īack on topic there, I'm going to go for new ones this time as the older ones seem to be a little flaky. The 2 Vernier drives were meant to couple to variable capacitors or variable. 2 section, 4 section, and 5 section assemblies. The Variable capacitors range from 1 section. VARIABLE ADJUSTABLE CERAMIC TRIMMER CAPACITOR 10-75PF - YOU GET 5 PIECES 8.95. C1-365-Lifd., single-gang, midget variable capacitor (Argonne Poly-Vari-Con). more polyvaricon radio tuner capacitor.FOUR SECTIONS, two 270pF and two 25 pF. Got copper wire, ferrites, IF cans, inevitably dodgy germanium transistors, audio transformers and speakers all for that money! I remember coming back having spent about 80p with two valve radio chassis, 5 pocket radios and a transformer that weighed about 3kg. Tuning capacitor C2 can be any high-capacity variable salvaged from a. Polyvaricon Variable Capacitor Ham Radio Variable Tuning 150pF 35pF CF35 New (other) £2.20 + £8. Pocket radios was where I used to steal them from years ago.
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