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.
ProfileTable.jpg
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.
windgat
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