SUNP0003
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- Опубліковано 15 вер 2024
- Testing my homemade tinplate boat with pulse-jet engine in my new marine testing facility. It runs more than 3 hrs on a tealight. The thing it bumps into is my antique Bing Kasuga battleship (appr. 1905). Pulse-jet is the scientific name for what we know as put-put or pop-pop engine.