Fieseler Fi-167 – Airfoil

I have not been able to identify the actual airfoil used based on the Karlstrom drawings, so I had to revert back to the available photographs.

The closest I could find was the Goettingen 676. This turned out to be the same airfoil used on the Fieseler F2-Tiger. Coincidence? I don’t think so.

Interestingly enough, this airfoil shape does not have a lot of camber, and the lift coefficient is quite average. The stall angle, however, is huge.

Compared to the extremely slow-flying Storch, I believe Fieseler chose the Goettingen 676 airfoil for this aircraft, to get a decent cruise-speed. However, with all the slats and flaps in operation, the Fi-167 lift coefficient could be increased by at least a factor 3 during take-off and landing.

 

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