Air Movement at Building Scale Small propeller fans move air around themselves. A fan with a 1.83 m blade moves the air in the whole building. That difference is what makes this unit worth its frame: at 345 rpm the blade tips run a long way per revolution but slowly per second, so the fan shifts a ...

Designed to Ship as Well as to Drink From For an importer, a trough that is awkward to pack costs money before it ever reaches a farm. This 4 m unit is specified with transport in mind: a single carton size, one piece per pack, and a shape that stacks predictably in a container. Packing data Item ...

Winter Watering Without a Single Watt Farms in cold regions spend a surprising amount of the working day chopping ice. The Thermo range was developed to end that chore: a double-skinned polyethylene trough that keeps water open down to about -30 C with no element, no thermostat and no power cable to ...

19.4 Grams of Plastic That Protects a Whole Pen At under 20 grams the weaner adds almost nothing to what a calf carries, yet it removes the single behaviour that most often spreads injury through a group pen. What it prevents Nurse sucking, ear sucking and navel sucking all start as displacement ...