How can I open one flap and close the other at the same time?

hi guys (yes the sketch is crap, sorry about that) I need REAL craftsmen with tips and tricks I have two exhaust pipes where I want to install two flaps (the rectangles – sorry, I can't do it any better with Paint). When I close one flap, the other should open, and vice versa. Personally,…

Convert an apartment building with 1 water meter into 3 water meters?

Hello, an apartment building (three units) currently has only one water meter. The consumption is then divided by three for the utility bill. Has anyone had experience with such a conversion (a separate meter for each household)? How easy/difficult was it, and how much would it cost? (And yes, I know we could ask a…

Can I convert a motorhome with an H license plate from the inside without losing the H license plate?

Hello everyone, I have a question. I bought a motorhome with a German license plate and would like to make some interior modifications. I know that the motorhome has to remain largely in its original condition. Does this also apply to the interior?

🧰🔩Were there any motorcycles between the 1920s and 1940s that didn't have pedal cranks, kick starters, or electric starters?

🔧🔩⚙️ .. Hello There are indeed curious inventions that were constructed in the home workshop during those makeshift times. Today we call them "tinkering"… But there were also truly unique inventions that were actually mass-produced by the developers of a motorcycle brand. Back when there were no technical inspection associations for motor vehicles, there were…