jalSD, you are absolutely right about the power loss. It is actually called friction loss. I am a member of my town Fire Dept. and since I am old I no longer go interior. Instead I am a driver operator now. Operators are tasked with delivering the proper flow of water where it is needed at the correct pressure. In orrder to do this you have to be aware of how much water is being used determined by what nozzles are in use, and how much hose the water is flowing through so that you can figure the friction loss and adjust for it. The larger the diameter of the hose the less there is, while the more flow the more there is. At 6MPH the liquid in the tire is traveling pretty slowly, compared to when a lot of water is being pushed through a fire hose to a nozzle. The diameter of the inside
of the tire is way larger than any hose that I am aware of. The combination of the low flow and the large diameter of your tires tells us that the friction loss, though it is positively there, would be so small as to be unmeasurable.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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