Using the original prusa addon fan also for cooling ?
 
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Using the original prusa addon fan also for cooling ?  

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Ckobar
(@ckobar)
Trusted Member
Using the original prusa addon fan also for cooling ?

hi there. I'm thinking about a mod to the org. fan setup.

Since it has got the hepa filter already, why not using it for "cooling" the enclosure?

I'm thinking of a duct, that connects the fan-outlet to the existing hex- cutout. Also there has to be flap inside the duct, wich closes the "hex-outlet" and opens the "original path"

to keep it easy,  for the start the flap as to be manipulated by hand.

a quick drawing:

 

"Cooling"

keeping warm air insinde

 

 

Although i have no idea how to do it:  Best solution would be a temperature controlled servo, a bimetallic or something else to move the flap. And a speed control for the fan.  🙂

What do you think of the "duct-part". could that be worth a try ?

Posted : 18/09/2023 8:49 am
Walter Layher
(@walter-layher)
Prominent Member
RE: Using the original prusa addon fan also for cooling ?

There already exists a working solution for this that fits on the existing holes in the back panel of the Original Prusa Enclosure: 120mm Fan Apenture/Iris Cover
In the comments of the project you can find more information about how to connect it to sensors, microcontrollers or raspberry pis, control the servo and so on.
I have printed one to check if the hole distances are okay and can confirm that they are.

Posted : 18/09/2023 10:19 am
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