On 12/01/2015 05:34 AM, andy pugh wrote: > On 1 December 2015 at 06:46, Gene Heskett <ghesk...@wdtv.com> wrote: >> I'd have some concern about the heat rise of its motor if it was that >> confined. > The motor is probably cooled by the airflow. > All Shop Vacs built for wet/dry use have a separate airflow through the motor. This keeps water mist out of the motor, but I think the real reason is that if one accidentally sucks up some oils/solvents/gasoline, it will at least be SLIGHTLY less likely to cause an explosion. I know the several Shop Vacs I have had all had separate paths for vacuum and motor cooling.
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