[CQ-Contest] Antenna slippage on mast

Guy Molinari guy_molinari at hotmail.com
Sat Dec 3 19:14:29 PST 2011


Yes, you have it Bob.    Someone mentioned the Tennadyne Slipp-Not.   I may end up going that route.   In the interim I may get some "Screw Grab" and see if that helps.
 
73,
Guy, N7ZG
 

> From: W5OV at W5OV.COM
> To: dick at mailgreen.us; guy_molinari at hotmail.com; cq-contest at contesting.com
> Date: Sat, 3 Dec 2011 17:10:11 -0600
> Subject: Re: [CQ-Contest] Antenna slippage on mast
> 
> Guy,
> 
> So, is what you're saying that the 20m antenna is slipping on the mast? I
> think that you have the 15 on the same mast, but from what you said, it's
> not clear.
> 
> To stop it moving, you need to either "pin" it as Dick suggests or increase
> the friction enough between the antenna and the mast. 
> 
> One way to do this is to add more U-Bolts around the mast. If it's got 4,
> add 4 more - increase the friction.
> 
> 73,
> 
> Bob W5OV
> 
> -----Original Message-----
> From: cq-contest-bounces at contesting.com
> [mailto:cq-contest-bounces at contesting.com] On Behalf Of Dick Green
> Sent: Saturday, December 03, 2011 8:01 AM
> To: Guy Molinari; cq-contest at contesting.com
> Subject: Re: [CQ-Contest] Antenna slippage on mast
> 
> Guy,
> 
> About the only think you can do in that situation is pin the mast-to-boom
> plate to the mast. Many commercial boom-to-mast plates have a hole for that
> purpose.
> 
> BTW, a better place to ask this question is on the Tower Talk reflector.
> 
> 73, Dick WC1M
> 
> -----Original Message-----
> From: Guy Molinari [mailto:guy_molinari at hotmail.com] 
> Sent: Friday, December 02, 2011 12:17 PM
> To: cq-contest at contesting.com
> Subject: [CQ-Contest] Antenna slippage on mast
> 
> 
> I have a large 20M monobander with a 60' boom. It seems that whenever the
> winds exceed a certain speed I will subsequently need to climb up to 160' to
> repoint the antenna. My 40M 4 el beam doesn't seem to do this. It is
> definately not rotator slippage because the 15M monobander is lined up just
> fine.
> 
> Any tips/tricks?
> 
> Thanks in advance,
> Guy, N7ZG 
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest at contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
> 
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest at contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
 		 	   		  


More information about the CQ-Contest mailing list