Getting my #avgeek on with Dornier✈️
2024年7月28日, ドイツ ⋅ ☁️ 22 °C
As a kid (or maybe a teenager, who knows) I had 2 small hard cover books. One on military airplanes (didn’t get much attention) and one on commercial planes (got lots of attention - is anyoneもっと詳しく



















旅行者Ohhh looks soooo coool.
旅行者
How does it compare to your flights over? 😂
旅行者
How do they take off? I’m going to YouTube this!
Travel with CarlThey have ballast tanks that they pump normal air in and out of (like a submarine). As the air is heavier than the helium (or hydrogen before they discovered that wasn’t a good idea 💥), it weighs them down and they go down. Push the air out and they go up.