Homemade RC boat with weed eater - engine testrun + first test in water

Homemade RC boat, Motor STIGA weed eater engine, 2-stroke. 26ccm. Tuned engine. Exhaust pipe from my old yamaha FS1. Homemade propeller Ø75mm with 3 blades.
Weight approx. 20 kg. My first RC boat. Just made for fun.