[Collins] Re: [Collins]The best way to cool a M2

[Jim Brannigan]

Yves is correct.  Cooling under the chassis is better, however, air blowing
from above will cool the chassis and allow it to transfer more heat from
below.
Better than nothing.
Jim

> First , dont forget blowing fresh air from the front of the fan is 10
times
> more efficient for cooling  due to  air velocity .
> Dont forget there is nothing heat  susceptible inside the PA cage
....there
> ARE  already NOT LESS  than 10 big holes around each 6146.....to help
> natural convection ...going UP ....
> According to me the most critical part needing cooling is the bottom of
the
> chassi where all the resistors are cooking
> THE PTO  and all the Crystals   like on the frying pan .....If after one
> hour or 2  you slide your fingers down the back of the PTO all the way
down
> so the tip of your finger are touching the chassi you will almost burn
> yourself and the bracket holding the back of the PTO is conducting heat
from
> the chassi to the PTO