Johannistal Biotop

Date: 26/3/2019
Location: Berlin
Km ridden: 12

Klaus picked us up in early after we’d done our exercises – well at least the short version – again.

His car needed TÜV as well, so we dropped the car and all papers at the workshop and went ahead to explore the area Adlershof. We found the Johannistal Airportfield, now a nice biotop with rare plants.

Then we discovered the Trundelturm and wind channel, where, back in the 1930’s, to-scale model airplanes were filmed with high-speed cameras to investigate the cause, effect and correction of airplane “Trudeln” or Spiralling. 

Close by in the Engine testing station, we found a student cafe – cheap!- and had an interesting talk with the barista.


He originally studied to become a chemistry laboratory clerk, but changed his mind and is learning to be a tram driver. He informed us about history of the Motor test station and the trundle wind channel.

Another picture of the trundle wind channel, which used to be used to test the “trundling” of aircrafts.


Later we found the UNI Mensa where we had lunch with obstacles. All students had a card they used to get cheap lunches. Like pay-wave for food. For us that meant a choice of no lunch or obtaining of a guest card. We decided to get the guest cart – each of us needed one – and loaded them with a few Euros each in order to get our lunches. Said and done, we entered only to discover the caveat while working out the prices… Hmm not as cheap as we thought, all food had 2 prices: Student and Normal with Normal being not very cheap.  As guests, of course, the more expensive one was valid for us… ah well. The food was ok and in the end we could return the guest cards and got a little money back.

After walking around a bit we found a nice coffee shop with good looking cakes. We could not resist.

Just when finished we received the phone call that the bike and the car were ready for pickup, all done!

Unfortunately by now it was too late to go to the motor registration in Ludwigsfelde, we would do that tomorrow.

We finished the day at Klaus’ place watching some pictures and videos of his holidays.

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