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Air blower vs vaccum cleaner pump
I'm thinking about building a new fluid bed roaster. But I can't find a vaccum cleaner motor, like this one https://www.amazo...B07MVNWHF2 which are one of most suggested air source option in these forum, in my locality with ease. I wanted to ask if someone has used an air blower like this one with any success?
I'm using a square base with for heating chamber and a borosilicate glass tube of 5" diameter and 14" height, target weight of my roast is 300 grams. Can I used the air blower option or are there any downsides in using it?
Edited by renatoa on 08/09/2023 8:55 AM
The second is much better, the first is way too powerful.
Even 800W are too much for 300 grams, imo. You should reduce motor thrust/rpm to such a degree that risk reaching the area of unsafe usage, where you can experience thrust variations and risk of rotation stop.
I have such leaf blower featuring a 400W motor, that was capable of exhausting quite violently half pound of roasted beans. At full power, connected directly to mains, no speed variator...
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Vihitk, too bad you're not staying in the same country as me. I have 2 new 1500w ceramic heating elements. Bought in end 2019 to build a hot air roaster but got more and more ambitious until it became a 8000+ watt one.

Looking for someone to give the elements to.
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