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Reply to "What's wrong with my #394 Rotating Beacon Tower"

  Bill I think you’ll find this is very common 394 problem.  The issue being that they simply DO NOT WORK.  This is why the 494 was produced shortly thereafter.

 I tried 20 volts from a KW.  Tried balancing all rotating parts out to several decimal places on a digital scale.  Tried a myriad of top vent positions.  All to no avail.  

If you do a search on the subject, you’ll find others have rigged small fans nearby to create an airflow, but even this has its limitations. 

I toiled with my 394 for months, nothing worked... eventually, and thankfully, my LHS had a lightly used MTH copy 494 very cheap.  It was a revelation.  It turns at an exacting 8-10 rpm at 11v, which is dead on prototypical, and has needed no attention whatsoever.  Because of this, and far as I know, there have been no O scale aviators that were unable to find my airport in darkness or fog.   

If it helps, the red 394 base makes a lovely platform for a water tower...AEA54807-ED77-4BC0-B2E6-765250CF0CD4

Tom

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Last edited by FlyPlanes-PlayTrains

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