> A local ham buddy just got back into the hobby after an 8 year hiatus and got
> a hold of 2 SB220's. He noticed they run hot and he asked the following
> question...so I figured there are folks out here who might know the answer
>
> "....see how guys like the Harbach fan kit for the SB220? Mine is running hot
> and LOUD. I oiled the
> bearings and cleaned it off of dust, but it's still got to go"
>
> Anyone done this mod?
>
> I recommended a small muffin on top to help extract the hot air for now. I
> did it on my old 30L1 and it sure cooled it down.
>
> Thanks
I'm using one of the Harbach fans on a SB220 - they move a lot more air than
the original Heathkit fans.
Higher air-flow = higher noise
But I can't say I've noticed that it runs hot.
Regards
David G4FTC
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|