Why Aluminium Blades on a Barn Fan Blades are the part of a large fan that decides both airflow and service life. Plastic blades are light and cheap to mould, but they deflect under load, and a blade that changes shape at speed loses its airfoil. Aluminium holds its profile, keeps the same airflow ...

Tension That Can Be Adjusted With One Hand Wire stretches. The first month takes up most of it, then the seasons add a little more, and a fence that was tight at installation sags by the second winter. A ratchet strainer is the answer: the wire is taken up in steps by a lever action, held by a ...

Two Wire Ends, One Clamp, Full Conductivity A joint in an electric fence is where current quietly disappears. Loose twists, corroded pliers marks and half-tightened nuts all add resistance, and the further the pulse has to travel the weaker it arrives. This split bolt clamp was designed for the ...

The Simpler Polywire: Six Strands, Solid Core, No Surprises Not every fence needs maximum conductivity. For short runs, lane dividers and stock that respects a visible line, a simpler polywire is cheaper to buy and quicker to work with. Build A solid PE core of 2 mm diameter carries six stainless ...