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Bibendum
Sep 5, 2003
nunc est Bibendum
Ridged pipe with a smooth interior and the gentlest bends possible will have the least resistance but size will be king here.

This page should have some good reference
http://www.wpb-radon.com/Piping_pressure_drop.html

That blower you linked is probably overkill, Something like this mightmake more sense. and would probably directly attach to cheap PVC pipe.
https://www.amazon.com/Pactrade-Marine-Turbo-Blower-120VDC/dp/B01KY89N5K/ref=sr_1_19?ie=UTF8&qid=1490744805&sr=8-19&keywords=blower+120v

You shouldn't need to worry about getting the air directly into the heatsink fins, itf the heatsinks are sized correctly convection should do that for you, you just need to get the hot air out of the enclosure.

edit: but yeah more details needed to really be helpful.

Bibendum fucked around with this message at 00:54 on Mar 29, 2017

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