I need information about vacum chem

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The discussion revolves around building a vacuum chamber, with the user seeking assistance due to their current setup not functioning properly. They aim to achieve a vacuum level of approximately 10^-6 torr. A participant emphasizes the importance of specifying the desired vacuum level, as it significantly impacts the design and components needed. Additionally, the user inquires about the physical effect used in solar sails, indicating a broader interest in vacuum applications. The conversation highlights the need for clarity in vacuum chamber specifications and related scientific principles.
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hello all

i need to build my own vacuum chamber any references i build one but it is not working ...

want your help and experience in it
 
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hagopbul said:
hello all

i need to build my own vacuum chamber any references i build one but it is not working ...

want your help and experience in it

Your post is vague. First of all, what vacuum level do you intend to have? Having something down to the level of 1 torr is different than having it down to 10^-10 torr.

Zz.
 
i want about 10^-6 torr

and about that question that you give me a warring about ( the heat driving fan)

i was asking about the name of the physical effect that used in solar sail
 

Thread 'Why can't Solar panels be hemispherical, or a curved strip type?'

comparing a flat solar panel of area 2π r² and a hemisphere of the same area, the hemispherical solar panel would only occupy the area π r² of while the flat panel would occupy an entire 2π r² of land. wouldn't the hemispherical version have the same area of panel exposed to the sun, occupy less land space and can therefore increase the number of panels one land can have fitted? this would increase the power output proportionally as well. when I searched it up I wasn't satisfied with...
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