Primus 1-TWA-10-01


Primus 1-TWA-10-01, 27′ guyed tower kit for AIR turbines (1-7/8″ steel pipe not included)

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SKU: PWP-345-100 Categories: , Tags: ,

The Primus 27 feet guyed tower kit includes (nearly) all the parts needed to erect a tower for any of their AIR turbines. All of these kits are Professional Engineer Certified (PE Certified). Each kit comes with all hardware necessary to install a tower, except guy supports, pipe, and cement or augers. All parts bolt or clamp together and no welding is required.

This is the easiest way to get a Primus AIR turbine up into its natural element. The kit and tower are lightweight, no winch or vehicle is needed. Two people can quite easily get the tower up within a short few hours (though we have known people to erect these towers by themselves in the high-arctic without any help).

The AIR wind module is designed to be mounted on a 1.875 inch outside diameter pole. This is the same outside diameter as 1-½ inch steel water pipe where the “1 ½” is a nominal size indicating an outside diameter that is actually 1.875 inch. Whether the pipe is “schedule 20”, or “schedule 40”, the outside diameter will be the same and the schedule number will determine the wall thickness of the pipe. If the pipe is lighter than “schedule 20”, it is referred to as “tubing”, and the actual outside diameter and wall thickness is usually specified.

The design of this tower kit allows pipe (or tubing) of various different wall thickness to be used depending on the severity of the wind at your site location. Use the following table to determine the acceptable pipe size(s) for your tower and wind severity.

In most locations structural steel tubing with a wall thickness of .065 inches is sufficient for the conditions and preferable in terms of cost and ease of assembly. Electrical conduit must be avoided for use in your tower assembly, since it is generally not designed for strength.


Maximum Wind Speed Recommended Wall Thickness Pipe Schedule
90 mph 0.065 inch (1.65 mm) “tubing”
100 mph 0.090 inch (2.3 mm) Schedule 20
120 mph 0.140 inch (3.6 mm) Schedule 40


The kit includes

  • 1 – Tower base
  • 1 – Wire set
  • 2 – Tower base staples
  • 2 – 3/8 in. x 1 .5 in. bolts
  • 2 – 3/8 in. locknuts
  • 4 – Cable thimbles
  • 8 – Cable clamp
  • Galvanized steel cable
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