Fan blades, gm vs the others

[stockcar5]

Here are a few pics i took tonight of a new gm 19 inch 4 blade fan and an afco 19 inch 4 blade fan. The difference is obvious.

afco fan about 27 degrees


gm fan 35 degrees


side by side

[Darkstar15]

Thanks, never seen the two side by side before.

John