Anemometer
Hello, As I'm about to mount my sun blinds¹, I need an anemometer to protect them from wind (they will be automatically raised when the wind reaches a pre-defined speed). And I was wondering if I...
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First thing coming to my mind, printed plastic parts outside may not last very long. It would be a good idea to avoid direct sun or rain exposition. I have a feeling that ABS would hold longer than...
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Another stupid idea : wouldn't it be possible to measure something (current, tension) from a simple PC fan to measure the speed it is being rotated, and calculate wind speed from that ?
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I agree - exposure to the elements might significantly limit any printed parts life expectancy. ABS is probably the way to go if you had to. You could use a PC fan, but then you need a vane to point...
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I mainly use ABS for printing, so it should be OK, and even if I have to re-print some parts in 5 years, this is not a problem. I made a first prototype using MDF to maintain the cups, but I will use...
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akhlut Wrote: ------------------------------------------------------- > I agree - exposure to the elements might > significantly limit any printed parts life > expectancy. ABS is probably the...
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You could use a small ball bearing encoder, like the ones from USDigital, and make the hub for the cups come down over it to protect it from the rain.
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@Dad911: mmm, interresting! But they are not cheap ($70)... @ttsalo: any idea where I can find some ASA? And what about painting the ABS?
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Orbi-tech.de is the only place I have seen ASA filament for sale and even they have only 4mm filament. I know it's possible to paint or otherwise weather-seal ABS too, but I don't know the details....
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Ok, I finally released a version which is close to the final one: [www.thingiverse.com] I'm waiting for the magnets to test and calibrate it. Any feedback welcome.
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If I printed this I would use some Marine grade varnish and spray a coat over it to give it some UV protection.
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Good idea. I was planning to use simple paint for models, but a varnish is better.
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Yeah, Varnish being Marine grade will help with the UV protection and give it a smoother surface too (fills in the pits) plus it protects against rain damage (plastic is rain proof in of itself but...
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Hi?I would really love to construct a simple anemometer,preferably homemade. Please send me a list of the materials needed and the procedure. I would really appreciate it.
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@wendy, I didn't write any build procedure yet, as I didn't a complete one myself! I hope to do that soon, but I have a lot of things to do at the same time! I will post here as soon as I have news.
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