Nitro Powered Rotary Tool

Don t Forget To LIKE, SUBSCRIBE, SHARE After the nitro drill, I wanted to try and make similar projects with this kind of rc engines. Unfortunately, success didn t come fast because I had to remake the whole build 3 times. I started with a Cox 049 airplane engine which is very delicate concerning the fuel mixture as it requires at least 15 pure castor oil. Modern fuel blends include a small percentage of this oil, with the rest being synthetic. This lead to its failure due to the overheating