TRANGIA STORM COOKER 27-1 ULStorm cooker 27 1 UL A small, compact stove that takes up minimal room in the backpack and is perfect for 1 2 people. Made with ultralight aluminium which 50 % stronger than ordinary aluminium. Consequently, less material is required to manufacture the stove systems. As a result, they are lighter. Our aluminium stove systems spread heat quickly and evenly. This means that food does not, for example, burn and stick to the centre of the frying pan.