Hydroplanes (or Tunnel Hulls) are the fastest RC boat 
models available, nevertheless they have one major drawback; they'll flip with very little provocation, which means that water conditions have to 
be pretty close to perfect site in order to them.  
Two-stroke engines are generally precisely what is recommended 
to beginning enthusiasts since they are better to operate , nor tend to break 
up as easily as the more powerful models.  Every one of these parts must work correctly for your nitro engine to work properly.