From: gherold@teachspin.com   
      
   On Friday, August 10, 2018 at 1:26:12 PM UTC-4, amdx wrote:   
   > Is it reasonable/possible to build an 8 amp 20 V transformerless   
   > power supply from a 120Vac line.   
   >   I calculate about 180uf plus or minus depending on other components.   
   >   Maybe 9- 20uf caps in parallel?   
   >   I'd like to build it into a leaf blower.   
   >   All plastic, absolutely no metal exposed.   
   >   
   >   I think I've answered my question, I have 12, X rated caps in my junk   
   > box, but they are only 1uf.   
   > The cheapest 20uf I can find is $3, so $27 for 9 caps. Not reasonable.   
   >   
   >   Just had another thought, I could mount a power supply with   
   > transformer on the wall and have a cord go to the leaf blower. Just   
   > trying to build a light weight Leaf Blower for the wife to clean the   
   > garage once a week.   
   > Daughter gave me the leaf blower after the battery charger gave up.   
   >   
   >   Input encouraged.   
   >                   Mikek   
      
   You could buy some DC supply... meanwell?   
   Or get a 30V 10 A bench supply?   
   About ~$150 here.   
   http://www.volteq.com/   
      
   George H.   
      
   --- SoupGate-Win32 v1.05   
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