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I have always used eutectic tin-lead (63/37) alloy solder. As you probably know, eutectic tin/lead solder only has two phases, liquid and solid, so it is almost impossible to have a "cold" solder joint. Having said that, it appears that Tin-Silver-Copper (Sn-Ag-Cu) solder is "near" eutectic and the melting point is about 34 degrees C higher than eutectic tin-lead. I have no clue what "near" eutectic means plus it appears that Tin-Silver-Copper solder comes in several percentages. Think I will stick with the eutectic tin-lead (63/37) alloy solder for now.
I made this yellow jacket "trap" years ago using a roasting pan filled with water and a few drops of dishwashing soap. A chunk of chicken liver is suspended just above the water. The yellow jackets are attracted to the chicken liver and when they fly off they always fly downwards and hit the water/dishwashing solution. Once they hit the solution they drowned. I really like your design and will be trying it out soon! ThanksYou might want to fast forward a few times to find the point where we scoop out some of the dead yellow jackets ;-)
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