Hi folks,
I finally ordered a two-stage vacuum pump, it will arrive here any day
now. It comes with a flexible tube that has a special adapter that fits
the vacuum pump.
First I was planning to directly connect the flexible tube with my glass
tube, they have about the same diameter. The length of the flexible tube
is about 1m, so it is rather long.
Then I asked myself: Does a rotary pump require some reservoir to work
better? I.e. is it better to have some dummy volume capacity hooked up
in series? If yes, is the 1m tube enough? Or does it work better when I
keep the connection as short as possible?
Thanks for your input,
Jens
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