Well...strange things happen all the time. Truly inspiring and I must agree with your fundamental conclusion, if you want something that works simply and flawlessly out of the box, the Weishi is definitely not over priced. But still...there’s something about exploring the underlying reasons and possibly try to improve what you have. Kind of the same sentiment that makes watch work interesting... Some quick feedback from my experiences that might be interesting for others. - I find it consistently easier to get good readings with an open case and the mic directly over the escapement. Again I guess that has to do with limitations of the mic (and possibly the signal conditioning that follows). - I usually step back on the sensitivity to the point where I get no readings (or zero sensitivity) and then step up to where I get the most stable plot and reading. Sometimes this is significantly lower than the default 12 setting. - I tend to always use the noise cancellation option in the settings menu. Especially when it’s hard to get an amplitude reading this allows to increase the sensitivity without getting rubbish data. - It’s difficult to get completely clear lines, there will always be some outliers. To me this indicate that the s/w that detects the relevant points in the signal isn’t smart enough to sort these out as erroneous. Alternatively it’s the signal conditioning/filtering that could be better. - Fundamentally I wouldn’t trust the average readings produced when the plot looks like as with your 2nd watch. Garbage in => garbage out and averaging shouldn’t make it more reliable (unless there is actually more going on that we don’t see that removes outlier data) To conclude, it would be great with a follow up where you try to tweak the performance a bit. But I realize I’m probably a bit too nerdy here... :-) And I still wouldn’t be surprised if a better mic and some analogue filtering could do magic with the performance of the app. I know there are posts on that subject on the forum and I’ll see what I can dig out there. And you got yourself a new follower on youtube... :-) Sent from my iPad using Tapatalk
BE VERY CAREFUL with this product. If you think naptha and acetone are flammable, ether will curl you toes. There were all sorts of nasty operating room fires when ether was used as a general anesthetic. Old surgeons still quake at the idea of ether. Static electrical sparks are a real danger for an ether saturated atmosphere!
Thanks to both of you. With the close up, the variation is easier to see. The curious thing to me on the close up is that the variation in the lower line appear in groups of one, two and three pixels. That may well be a function of the 'resolution as well. Thanks. I learn from every post.
I do not use lighter fluid, but naphtha which is petroleum ether 40-60º, not as pure as the one you recomend but easily available where I live. Maybe the ether you mention is also available near my home, I should try to find it, but there are so many products, A couple of days ago a watchmaker told me to use toluene, and I know I can get it too, so probably I'll give it a try when I run out of naphtha.