[Elecraft] Cooling on a KX2

2017-06-20 Thread John AE5X
Sounds like a great opportunity for an Elecraft-branded Stirling engine turning a small fan: https://youtu.be/Qshc2yWKq2A John AE5X http://ae5x.blogspot.com/ Usually the situation where people do > not use fans is when they are operating portable and don't want to > waste the power or

Re: [Elecraft] Cooling on a KX2

2017-06-20 Thread Fred Jensen
FWIW: To run RTTY with my K2/100, I mounted a computer muffin fan with a velcro tab to the heat sink over the PA's, blowing down. Heat sink stayed cool to the touch at 80 W. Without the fan, it was too hot to rest your hand on it. Understandable however that unless the fan is an integral

[Elecraft] Cooling on a KX2

2017-06-20 Thread Howard Hoyt
Hi Mike!, You are of course correct, and there is no reason not to do so when operating fixed near AC power. Usually the situation where people do not use fans is when they are operating portable and don't want to waste the power or have extra stuff to pack/set up. This is the reason our

[Elecraft] Cooling on a KX2

2017-06-19 Thread Mike Morrell
Gents: Please excuse my ignorance here but being a retired professional engineer and owning the complete KX? Series, it seems to me why rely upon natural convection alone? If you have the means (indoors) why not provide yourself a simple DC fan blowing over the heat sink and move the