VHFcontesting
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Re: [VHFcontesting] Receiver hitch mast

To: "Tom Sneden, K6VCR" <k6vcr@cox.net>, <VHFcontesting@contesting.com>
Subject: Re: [VHFcontesting] Receiver hitch mast
From: k4gun@comcast.net
Date: Sat, 08 Mar 2008 04:20:52 +0000
List-post: <vhfcontesting@contesting.com">mailto:vhfcontesting@contesting.com>
Any interest?  Heck yeah!  Bring it.



-------------- Original message -------------- 
From: "Tom Sneden, K6VCR" <k6vcr@cox.net> 

> 
> 
> 
> OK, I see that there might be some interest in receiver hitch type masts. 
> I have been working out a design for a tubular tower that will attach to a 
> receiver hitch. 
> My goals are that it nest at about 10ft, extend to at least 35ft, be 
> rotatable from the bottom, tilt over (in the 10 ft collapsed position) with 
> a winch, extend using a winch and not weigh over 350 pounds. 
> Basically a miniature version of an MA-40 with the rotating fixture. 
> It is do-able and I think the price point will be in the neighborhood of 
> $600.00 for parts. 
> I lack formal engineering education and would appreciate knowledgeable 
> opinions regarding wall thickness and type of aluminum tubing to use for the 
> mast. 
> This thread has really opened my eyes to height issues and would like to 
> discuss the optimal vs. practical height issue as well. 
> Tubing is available in varying wall thicknesses and they need at least 3/16" 
> clearance between ID of outer tube vs. OD of inner tube. 
> 
> Before I ramble any further, would anyone else be interested in this thread? 
> 
> Tom 
> K6VCR 
> 
> 
> -----Original Message----- 
> From: vhfcontesting-bounces@contesting.com 
> [mailto:vhfcontesting-bounces@contesting.com] On Behalf Of Dana Rawding 
> Sent: Friday, March 07, 2008 1:06 PM 
> To: VHF Contesting 
> Subject: Re: [VHFcontesting] A question of altitude 
> 
> It was a Clark QTM telescoping mast. However it was only 15ft and had 
> the hefty price of $750. 
> 
> I booked marked it myself as I though it would have been very cool to 
> have for uwave hill topping. 
> http://www.clarkmasts.com/qtm_masts.php 
> 
> Dana 
> N1OFZ 
> 
> On Mar 7, 2008, at 3:22 PM, Nate Duehr wrote: 
> 
> > You guys are making me wish I'd spent the $700 (I didn't have) on that 
> > pneumatic bumper mount mast -- some guy had it up on eBay a few weeks 
> > ago. I think it went to 30'. 
> > 
> > Did anyone else see that and get tempted for their rover? 
> > 
> > LOL! Great fun THAT would be... I know I'd be out in the rain 
> > trying to 
> > pump the thing up, cussing it out while missing contacts... but I'd 
> > come 
> > home and rationalize it all away as "fun"! 
> > 
> > Heh heh... must be something wrong with us rovers... mentally. (GRIN) 
> > 
> > Nate WY0X 
> > _______________________________________________ 
> > VHFcontesting mailing list 
> > VHFcontesting@contesting.com 
> > http://lists.contesting.com/mailman/listinfo/vhfcontesting 
> 
> _______________________________________________ 
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