I've lived in Dubuque, IA (there's a picture of our shot tower in the article) my entire life, and assumed that everyone knew what these were. It's a iconic symbol in our city's history. I guess I took them for granted.
Shot tower
61–70 of 80 posts
Re: Shot tower
#62Re: Shot tower
#63In my recollection, this is one in Austin, TX: https://maps.google.com/maps?hl=en&q=119%20West%208th%20Stre... I may be wrong though. I wasn't able to find any references about it easily.
I can't find a tall tower anywhere near your marker though.
Re: Shot tower
#64Earlier quoted context omitted.
When the metal is hot, solder remains melted, flows onto the metal and bonds to it. In fact, when soldering you should heat only the metal parts first and not the solder directly, and then apply the solder to the metal parts where the soldering iron touches them. You never heat solder directly with the soldering iron and expect it to stick to cold metal. When the metal is cold, the molten solder freezes up as it touc…
It sounded like a bad description of drag soldering which involves dragging a ball of solder over the pins with the iron and relying on the solder mask and surface tension to make a good connection on each pin.
Re: Shot tower
#65Re: Shot tower
#66You can try something similar to this (although more related to the older barrel technique) at home with a soldering iron . Melt some tin at the tip while holding the iron at a sufficiently large enough height over a glass of water. It takes some practice to make nice round balls, but it works!
Friendly reminder to exercise common sense when you do this. Wear eye protection, long sleeves, possibly gloves. And ffs DON'T FLING THE IRON. Your aim is not as good as you think it is. :-) Also, lead. Don't use a drinking glass.
I can't check it for myself now but I assume this would also work with lead-free solder. Not that you should put any kind of solder in your drinking glass.
Re: Shot tower
#67In the most restrained and calm way possible, I'm wondering why this is on Hacker News at the moment... A Wikipedia article, concerning a technology that is effectively ancient and indisputably outdated, seemingly with no relevance to any recent events in the tech world, or the greater world in 2013 for that matter. Occasionally it seems as if one could do "Random" Wikipedia click [0], find something marginally inter…
Re: Shot tower
#68I thought it was interesting that the modern "Bliemeister" manufacture method still consists of dropping molten lead drops. The difference apparently being the use of heated liquids and inclined surfaces for greater control. https://en.wikipedia.org/wiki/Bliemeister_method#Manufacture In contrast metal bearing balls are manufactured using cold metal working techniques. Sheering, pressing, grinding and polishing some…
Re: Shot tower
#69I've lived in Dubuque, IA (there's a picture of our shot tower in the article) my entire life, and assumed that everyone knew what these were. It's a iconic symbol in our city's history. I guess I took them for granted.
Is the factory at all noisy? I'd imagine dropping massive lead spheres could cause a ruckus.
Re: Shot tower
#70I've lived in Dubuque, IA (there's a picture of our shot tower in the article) my entire life, and assumed that everyone knew what these were. It's a iconic symbol in our city's history. I guess I took them for granted.
Is the factory at all noisy? I'd imagine dropping massive lead spheres could cause a ruckus.