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Efficient 12V generator using a leafblower
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maxwell3e10:
I measured the running time of the leaf blower generator at about half-load, 15 A and 14 V. It runs on one lb propane canister for 2 hours 46 min. The average power delivered was about 220 W, so a total of 600 Wh or about 2.2 MJ from one canister. It seems to be a little more efficient than the Ryobi inverter generator.
amyk:
A diesel generator can be more efficient.
mikerj:

--- Quote from: amyk on November 02, 2019, 07:53:06 pm ---A diesel generator can be more efficient.

--- End quote ---

Try finding a diesel leaf blower, or any diesel engine of similar size.
sleemanj:
Never heard of propane powered leaf blowers, or indeed propane powered small engines.  Here in NZ we seem to get leaf blowers in corded, battery, or good old petrol.
maxwell3e10:
A company called Lehr in US was making propane powered leaf blower, weed wacker and a lawnmower for a few years about 10 years ago. They simply add a pressure regulator and tweak a gasoline-powered engine. In fact, most of the engine they used is the same as Subaru Robin EH025 or Makita MM4 engine. So a gasoline-powered Makita MM4 leaf blower is almost the same and fits the same generator, as shown in the video above.

Probably now no one would make small propane-powered tools anymore as battery operated devices became popular and are more appealing to people who like clean and more environmental tools.
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