An invention sponsored by the U.S. Navy has described a simple method for generating electricity in emergency situations or maintaining communication after a disaster. This solution does not require bulky generators or heavy battery packs.
The emergency task force will carry a fire hose in a collapsed state, with a foot pump at one end of the hose and an air valve at the other. The hose is then deployed, and the foot pump is used to fill the hose with air. Finally, the valve is opened at the opposite end to direct the air through a small turbine, which acts as a generator.
Continue pumping while monitoring the safety of the valve to ensure that the pressure inside the hose remains constant. This ensures that the turbine’s speed and the amount of electricity generated are stable and uninterrupted, even if the person operating the pump becomes tired and is replaced by someone else.
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