[Amps] Interested in re-purposing a Dentron Clipperton-V - question about possible power power transformer ICAS KVA

[Joe Subich, W4TV]

On 3/11/2024 12:12 AM, John Lyles wrote:

> I believe they could be used in doubler applications but not sure
> what to do with the center tap then.
I would hi-pot test any center tap before repurposing a transformer
for voltage double use.  Many of them were designed for FWB service
and there is minimal insulation between the center tap and core.

73,

    ... Joe, W4TV

On 3/11/2024 12:12 AM, John Lyles wrote:
> This discussion reminded me that been collecting plate transformers for 
> many years. These are classic big iron so they would be heavier to ship 
> than Heathkit or Dentron iron. I am interested in selling off much of my 
> collection, for reasonable prices. I can package them well for shipping 
> but that will be where the cost is and will take me some time. I build a 
> wooden bottom, bolt them to this with carriage bolts, and then surround 
> them with high density foam board in a heavy cardboard box. Finding more 
> boxes will be challenging. The recommended way is to pick them up from 
> Santa Fe county, NM. If someone wants a lot of them, certainly this is 
> the way to go.
> 
> If there are hams here interested in building heavy duty CCS power 
> supplies, send me a note and I will forward the list. There are Stancor, 
> Thordarson and Dahl equivalents. One of the types is the Stancor P8031. 
> These are long out of production. Primary is 115/230. Secondary lugs are 
> marked 2075/1775/0/1775/2075. Using a full wave center tapped rectifier 
> can produce 1750 VDC at 500 mA CCS or 625 ICAS. They were originally 
> intended for choke input filters and measure 11.25 inches high x 7.3 x 9 
> inches roughly and weigh 65 lbs. $100 in my 1952 Radio Master book. I 
> believe they could be used in doubler applications but not sure what to 
> do with the center tap then.
> 
> 73
> 
> John
> 
> K5PRO
>