On Jul 30, 8:46*am, "Ken Kochanski (KK)"
wrote:
The performance claims look extremely good ... is this plausible ?

http://www.dg-flugzeugbau.de/mandl-absaugung-e.html

KK

Ventus mods have used a funnel behind the wheel well for years,
typically a 2" piece or pipe would form the exit.

Improvement here is the shape of the exit.

Regards

Al