I dig those old saws for some reason. Just hearing one idle, there's not much in those old mufflers. I've had a couple homelites and a pioneer. Used ones come up all the time for cheap but I never see a big displacement saw. If I ever do I'll be all over it!
Ok, ecofan report. First let me explain my stove. It has a false cast iron top with an airspace beneath and side covers. The way the squirrel cage blower fan works is to move air through that space around the sides, up over top and out the front. It really hoofs out the heat with little noise. I have run it without the fan and also during power outages. It will convect the heat but doesn't seem to put out anywhere near as much as it does with the blower fan running. Last night I started a fire in the cold stove and placed the ecofan on top right in front of the pipe. After about 15 minutes, the fan started to turn, by half an hour, the stove was hot enough for the fan to spin at a good clip. I resisted the urge to stick my finger in it. Lol. Standing about 8 ft away I could feel the warm air hitting my face. I was surprised at how well it was moving the heat. I think I'm going to use it instead of the factory blower definitely for the shoulder seasons. It is silent and makes its own electricity. I would recommend one especially if your stove doesn't have a blower on it.
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