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  • Users: vwhammer
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  1. vwhammer

    Problems de-soldering copper pipes (lead free solder)

    First a little background. We are soldering some copper tubes on a thermo-siphon used in an ultra low temp freezer. The solder we are using is a lead free mix. It consists of 96% tin and 4% silver non-flux core. We then use Rubyfluid liquid flux. In case anyone thinks it is important we are...
  2. vwhammer

    Bearing interference fit question

    I have a bearing with a 80.000mm OD. I am machining a housing from 1018 steel that the bearing will go in. There is enough load and stress on the bearing that I believe it needs and interference fit. The bearing will be pressed in until it seats against a lip. Then a snap ring will go in...
  3. vwhammer

    How many watts does the human body put off

    I have done some looking around and I did a little math on my own but does anyone have real info on how many watts the human body puts off at rest.

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