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#11
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Backlash?
"Jim GM4DHJ ..." wrote in message ... "Ian Jackson" wrote in message ... In message , The Scottish Idiot ... writes "gareth" wrote in message ... Is backlash in tuning mechanisms necessarily a problem, because a little bit of looseness in the drive means that an accidental nudge of the tuning control won't cause a frequency change, as it would if tightly-coupled and backlash free? you trained for backlash on a Trio 9R59D ... A good training ground, as it also suffered from considerable drift. In the late 60s, an SWL lived a couple of doors from me, and he had a 9R59D. I spent quite some time rebuilding a lot of the VFO - better capacitors, stouter wiring and, of course, I also fitted the 'optional' neon stabiliser. It appeared to be a lot better. A few weeks later I asked him how he was getting on with it - only to find that he had sold it! Ian ha ha sucker.....I always ask that before I help people ... bet the advert said something like "retuned by a licensed radio amateur" ........ |
#12
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Backlash?
"The Scottish Idiot ..." wrote in message ... "gareth" wrote in message ... Is backlash in tuning mechanisms necessarily a problem, because a little bit of looseness in the drive means that an accidental nudge of the tuning control won't cause a frequency change, as it would if tightly-coupled and backlash free? you trained for backlash on a Trio 9R59D ... you trained for non-ergonomic tuning dial direction on an FRG7 ....... |
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