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the posted run time can be a little misleading, as its based on 'full blast' for 60 minutes. Since these cookers can be up to 6,500 watts, and will boil 1/2 a litre in 2 minutes, that's an awful lot of meals cooked....
Better to think of 'real world' run times - since the carts are buy one get one free (£12.99 for 4) that would easily be enough for more that a week's cooking for a family of 4. Better still, propane works down to -42 degrees Celsius and does not suffer from pressure drop off (all Coleman PPN appliances have a built in pressure regulator). Both butane and propane appliances have intitial gas flow of 350g/h. With butane, as the cart. empties, and temperatures lower,the gas flow drops to around 50g/h. In reality, this means that in spring / autumn temperatures, you will not be able to boil a kettle when the cart is only a quarter full - that means that you waste 25% of every cartridge. With propane, gas flow remains at 350g/h to the end of the cartridge, even at temps as low as -42
hope this helps.
(I prefer to think of PPN as 'petrol performance' in a nice convenient cartridge)
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Topic: coleman fold n go cooker
