Externet Posted October 18, 2021 Share Posted October 18, 2021 Hi. Bought this over 20 years ago at a 99 cent store just because was different. Took a short video but became too large and refused to insert here. Well, has a squeezable handle instead of an striker trigger as most. Emits several sparks in about 5mm of squeezing; looks like ----> https://www.amazon.com/Ozeri-OPL1-R-Piezoelectric-Kitchen-Flameless/dp/B01MSKDG51 Is there a major difference in operation principle ? Squeezing instead of striking the crystal ? I presume squeezing bends the piezo crystal. Link to comment Share on other sites More sharing options...
swansont Posted October 18, 2021 Share Posted October 18, 2021 A squeeze could potentially still have a striking mechanism internal to the workings, but the bottom line is generating a voltage from pressure, so it could be you are able to generate that with a squeeze. Perhaps the piezo geometry is somewhat different - several of them stacked, and/or a different material that generates a higher voltage, but is brittle and you don't want the physical shock to it. Link to comment Share on other sites More sharing options...
exchemist Posted October 18, 2021 Share Posted October 18, 2021 4 hours ago, Externet said: Hi. Bought this over 20 years ago at a 99 cent store just because was different. Took a short video but became too large and refused to insert here. Well, has a squeezable handle instead of an striker trigger as most. Emits several sparks in about 5mm of squeezing; looks like ----> https://www.amazon.com/Ozeri-OPL1-R-Piezoelectric-Kitchen-Flameless/dp/B01MSKDG51 Is there a major difference in operation principle ? Squeezing instead of striking the crystal ? I presume squeezing bends the piezo crystal. Yes, I've used one of these for about 20 years as well. As it still works, I have never taken it to bits to look at the mechanism. But I bought one for use in a holiday house on an island in Brittany, where the cooker uses bottled propane and I found it didn't work. I'm not sure if it was the humidity - I find it works less well in a humid atmosphere - or whether the spark is simply not energetic enough to ignite propane, for some reason. Link to comment Share on other sites More sharing options...
Externet Posted October 18, 2021 Author Share Posted October 18, 2021 Clumsy short one-handed video, but may show the sparks when gently squeezed/released. For sure there is no impact action : VID_20211018_163624.mp4 Link to comment Share on other sites More sharing options...
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