[AMPS] Sucking instead of Blowing (was - This guy is gotta be kidding!)

[Ian White, G3SEK]

2 wrote:
>>>۬  Not with the quiet, slow speed fan in a SB-220, Ian..
>>>
>>All practical cooling fans create turbulence. It's easy to check with a
>>streamer of smoke.
>
>€  If there was much turbulence in the SB-220, then the 3-500Z marking 
>ink would turn brown on the downwind side.

And that is because...?

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.com/g3sek

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