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Old Oct 09, 2012, 11:42 PM
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Firecracker!
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San Francisco & Santa Cruz
Joined Oct 2004
2,408 Posts
Thanks guys, I'm very happy with the way it turned out. Probably the hardest part was making the fabric template for the transition and nozzle section. When you use bias fabric though, it can stretch and deform to make up for minor errors.

So I put the duct over the exhaust on my big shop vac to see how it looked, and you know what -- Walt and Joe -- you guys are right, this might just be strong enough! I'm sure the EDF will pump out more air, but the vac exhaust didn't faze it at all. On the other hand, I'm sure the intake side would crush it instantly. Very interesting!
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