PVC blades / arched plate airfoil

The blades of the turbine, and the hub they are attached to

PVC blades / arched plate airfoil

Postby windgat on Wed Nov 18, 2009 5:57 pm

Here is a table of profile info which can be used for PVC blades. Main thing is to get the optimal angle of attack.
Angles of attack for various profile types

Some things I find a bit fishy:
- it says 4 degrees for a NACA 4412 - I thought this was 6 degrees.
- also all the degree are integers, which seems a coincidence. Never 4.5 degrees for e.g.
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