A heavy wire or strap from mast to tower is best. You want a low resistance
ground. A wiper, spark gap etc. all have enough resistance to let current
thru the rotor.
73
Gary K4FMX
> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of Bill Turner
> Sent: Wednesday, December 13, 2006 12:37 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] Which thruse bearing?
>
> Thanks for all the replies, guys. I think I'll abandon the thrust
> bearing as a grounding device and try something else. Perhaps a one
> inch wide copper or brass bar used as a wiper on the mast would do.
> I'll keep thinking about it.
>
> 73, Bill W6WRT
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