“Der RC-Modellbauer” is a German YouTuber who is passionately dedicated to RC model building On his YouTube channel, boasting over 9,000 subscribers, he regularly shares projects related to model building, electronics, and DIY – from 3D-printed sea rescue boats to Arduino-controlled systems His website derrcmodellbauer.de also offers instructions, parts lists, and tips for like-minded enthusiasts Particularly popular are his own developments, such as the 8.4 m sea rescue boat, which he documents in several videos – including a jet drive, LED lighting, and a custom hull