fan velocity stack by robbw4u 3d model
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Thingiverse
fan velocity stack by robbw4u

fan velocity stack by robbw4u

by Thingiverse
Last crawled date: 3 years ago
velocity stack for PC fan, smooth air for wind tunnel or whatever use you can think of.
Scale it to whatever size works for you 20 mm, 40 mm, 50 mm. this could be modified slightly to be used on a carburetor

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