I added rudders and changed the motor to a Turnigy Dst 1200. Great fun. here is the thread:
https://www.rcgroups.com/forums/show...ghlight=funbat

Funbat 3D (3 min 4 sec)

After watching headlessagain`s Funbat videos I could not resist building one. It has 60 cm wingspan, Turnigy 2211/2300, 3s 800mah lipo and weighs 235g. A delight to fly.

Funbat (3 min 36 sec)

Here is a new video of my Mauersegler (swift):

Mauersegler bei Regen (2 min 15 sec)