We made an RC boat for participating in a National Level tech fest conducted by College of Engineering, Trivandrum. It took us a few days of work scrambling, through the junk in the Mechanical Workshop of our college, to get the boat ready.
![2012-09-15 16.54.32](https://vyshakhullas.wordpress.com/wp-content/uploads/2012/10/2012-09-15-16-54-32.jpg?w=300&h=225)
Using the same idea used in the acceleration sensor of cars, we connected our BLDC motor shaft to the propeller turned CPU cooler fan. And a servo motor did the trick of navigating the boat around the turns.
![2012-09-16 12.06.37](https://vyshakhullas.wordpress.com/wp-content/uploads/2012/10/2012-09-16-12-06-37.jpg?w=300&h=225)
![2012-09-16 12.08.11](https://vyshakhullas.wordpress.com/wp-content/uploads/2012/10/2012-09-16-12-08-11.jpg?w=300&h=225)