[Elecraft] K3 and inverter generators

Don Wilhelm donwilh at embarqmail.com
Wed Aug 10 13:39:10 EDT 2016


Ramon,

If you have some mechanical skills, you can build your own 13.8 volt 
generator.
A gasoline engine driving an automotive alternator which in turn feeds a 
battery.  Put it all on a small wagon and you don't need the power 
supply.  It will not be as compact as a portable generator, but would 
not be a producer of RF hash from the inverter.  You may find you need a 
few capacitors to kill any alternator whine.  This is essentially the 
same as an automotive battery charging system.

73,
Don W3FPR

On 8/10/2016 10:46 AM, Ramon Tristani wrote:
> I want to take my K3 out for portable use and also training for emergencies with my local ham friends here. I am thinking of buying the Predator Inverter Generator that Harbor Freight sells. Does anybody out there has had any experience with it while using it to power a radio? Comments appreciated.
>
> Ramon, NQ9V
>
>
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