Oldcoot 100% on this. DO NOT draw arcs to ground.
The ONLY time to use ground is to discharge the CRT with the set
UNPLUGGED ! And not at the plate cap. That wont work.
Go under the anode button.
73 Zeno
Quote:
Originally Posted by old_coot88
O jeezus. Not this old chestnut again.  Yikes. There is no need to ground anything. If the fly is working OK, the screwdriver will draw a healthy 'air arc' a half-inch or so long. (Of course the screwdriver needs to have a well insulated handle to hold it by.)
Striking a direct-to-ground arc off the HV secondary is compounded by the fact that the winding is forced to carry B+ current plus the excessively high RF component. Please don't tell noobies to do this. |