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MDRT heat

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rnolan:
IMHO, running with the lid off (except when needed for maintenance etc) is not a good idea.  Apart from what the guys have said, it also acts a a heat sink and spreads the heat across the whole surface area so it can dissipate.  Mount it at the top of the rack so it has air above it, make sure there's as big a gap as possible between units so air can circulate (or even better leave a space beneath it).  Really, it shouldn't be a problem, yes these unit get hot, but that's how they were designed, and in all the years I've used MP1 then MP2 (which are even hotter), I've never had any issues (just don't go touching the top LoL).  Moreover, this is in Australia, it gets quite hot here in summer.

Rusty:
Thank you everyone,

This is what I have done so far, and I haven't drilled extra vent holes on the lids as of yet.

I have flipped the bottom lid  ( :) )  around to get more vertical,  more/extra heat flowing straight up past the voltage regulatours and hopefully take more heat away from the MDRT,  see the pics (sorry about the quality, my phone is crap!)

Also, I have, for the sake of 'nothing else to do!', I've added more/extra heatsinks to the voltage regulators and put heat sink compound on them back and front, there was none used to begin with from the ADA factory.  Including changing the mylar insulators, longer insulator washers, and nuts and bolts. (converting from USA imperial to metric is  :crazy: if your pedantic  ;D)

I dunno yet if I'm finished with this heat issue, 'I like things cool' these days  :)

Looking at where the power cord switch and power switch are located is giving me the idea to build a transformerless circuit that would supply a mini blower fan that could be easily drilled and mounted adjacent where the power cord comes in.
This is dead space to me and as you all know, dead space is prime time property opportunity in electronic enclosures.

Anyways, overheating freaks me out, it could be because I was in the the fire alarm bizz for a while  ;D

I'll keep you's all up dated tho', I just don't want to get the Bosch drill out just yet and attack the lids and chassis.

But Thanks folks, its nice to be here with the best of the best and hear from you's

Thanks you's, Rusty !!!

     

 

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