[TowerTalk] Rotator Clamps
K8RI on Tower talk
k8ri-tower at charter.net
Wed Mar 1 12:16:45 EST 2006
> This being a dumb question for the reasons I am about to find out, but
> there something that could be used that would function as would a piece of
> emery cloth or sandpaper placed between the clamp and the mast to "bite"
> into each? Sure it would make it tough to get it apart, but.....
I think you would find the emery cloth used in this fashion would act more
like a whole bunch of tiny bearings. it would grip, but not as tight as a
plan metal to metal fitting.
I've not seen the Orion clamp, but the one for the ProSistel (BigBoy)
rotators has a series of groves in the mast clamp which seems to work quite
Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
> 73, Jim
> ----- Original Message -----
> From: <K7LXC at aol.com>
> To: <jcowens at netscape.com>
> Cc: <towertalk at contesting.com>
> Sent: Wednesday, March 01, 2006 8:32 AM
> Subject: Re: [TowerTalk] Rotator Clamps
>> Hi, John --
>> Tnx for your comments on the Orion mast clamps. After reading the
>> comments of two significantly more engineeringly informed TowerTalkians
> than myself
>> (W4EF & N6RK I think were the ones), I have come to realize that the M2
>> clamps are heavy but do not do a very good job of holding a mast - an
>> difficult task, and that there probably isn't any bolt stretch that
>> contributed to the problem.
>> With that in mind, how does one propose to keep the mast from
>> turning in an Orion rotator? Personally I'm going to continue to pin
>> but even that isn't successful with MonstIR sized antennas.
>> Steve K7LXC
>> TOWER TECH
>> TowerTalk mailing list
>> TowerTalk at contesting.com
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