[ARC5] No-load current of dynamotors?

Kenneth G. Gordon kgordon2006 at frontier.com
Sat Mar 12 02:55:10 EST 2022


On 12 Mar 2022 at 1:49, Robert Downs via ARC5 wrote:

> That isn't too bad given that the front to back ratios of the Seleniums is
> probably down to next to zilch.  Equates to roughly 35% efficiency.  
> 
> However, unless the selenium plates were actually made in the last 20 odd
> years or less (very unlikely), you were damn lucky that the whole machine
> didn't go up in a cloud of smoke.

Yes!!!!

> I would not light it off again until you have replaced the Selenium
> rectifiers with Silicon and equivalent heat sinks. 

Abso-freakin-lootely!!!!!!!!!!! 

Gee....

Ken W7EKB


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