[TowerTalk] Climbing mast

[Richard Zalewski]

Great idea with the bolts at the end of the step.

On Wed, Dec 2, 2015 at 8:45 AM, Jim Thomson <jim.thom at telus.net> wrote:

> Date: Wed, 2 Dec 2015 08:29:13 -0500
> From: Mike Reublin NF4L <nf4l at comcast.net>
> To: towertalk reflector <towertalk at contesting.com>
> Subject: [TowerTalk] Climbing mast
>
> Anybody remember who made the masts with steps? Are they still made?
>
> 73, Mike NF4L
>
> ##  I made mine  from  2 inch x  2 inch  x  .25 inch thick  angle
> aluminum, 6061-T6.
> 14 –15 inchs wide.   This was for a 2 inch OD  x .375 inch thick  4160
> chromolly mast.
> Angle AL is held to the mast via a single DX engineering super duty
> saddle clamps. They have a
> huge amount of surface area.  They use a pair  of  Grade 8 bolts,  .375
> inch diam types.
> That non skid stuff was available locally in 2 inch wide rolls.
> I applied  it to both the vertical and horizontal surfaces.   At the
> extreme ends of the Horz
> portions,  I installed  a 1/4-20  SS  bolt and nylock, that sticks up aprx
> 1.5 inchs.  That
> is there so I can feel them  with my boots, and know where the ends of the
> steps are.
> IE:  slide your foot over a bit, and it will butt up against the SS  rider
> bolt.   Then there is
> no way you can  step off into...mid air.
>
> The super duty saddle clamps are available in 2 inch and also  2.5
> inch..and also 3 inch.   These things are the real deal, and come with
> their own  .25 inch thick  SS  backing plate.
>
>
> http://www.dxengineering.com/search/brand/dx-engineering/department/clamps-and-fasteners/product-line/dx-engineering-super-duty-saddle-clamps?autoview=SKU&N=401126%2B4294950919&sortby=Default&sortorder=Default
>
> Jim   VE7RF
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-- 
Tnx es 73
Richard W7ZR
www.w7zr.com

www.ridiculousones.blogspot.com/

*Be joyful in hope, patient in affliction, faithful in prayer*