In order to evacuate the heat more easily you need to increase the area of =
exchange, so finned heat sink. a 8=94x10=94x0.375=94 heat sink with cavitie=
s for the power devices might do the trick.
Optimized IGBT switchers might reach 98% efficiency so it might be doable.

Jean-Paul
AC9GH

On Jul 30, 2014, at 10:28 AM, NOPE9 YES <yes@nope9.com> wrote:

> maximum of 5% loss is specified for a 2KW output.  So the input would be =
InputPower*(.95 ) =3D 2KW  or InputPower =3D 2105 Watts  and the power loss=
 is 105 watts.  If we adopt the gizmag article=92s suggested size of 655 cu=
bic cm =85. we have to dissipate 105W out a cube that is 8.7 cm on a side. =
 Or we could make it more of a brick =85. maybe=20
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