Where in Africa did you go, Daox? I was in Ghana with a study group in January 2016. Seeking a grant to return in January 2018.
The sand casting is astonishing to me. I made candles this way as a kid, but an engine? I wonder about longterm durability. The engines' power and efficiency seems kinda low in some reports, though some efficiency claims I saw were higher (even 40mpg for the little k71). Such a difficult task! Intrepid people.
And I totally recognized that labor dynamic you mentioned. It was everywhere. People eager for work, almost any work.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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