This is a remote controlled flamethrower that can be activated from a very far distance. By using butane as fuel and an ignition source by ordinary RC parts this is both very inexpensive and effective.
Butane can be bought at numerous stores, you will definitely find it in any consumer electronic store. You need a steel, brass or copper tube with a outer diameter of 5mm and a inner diameter of 3mm.
This article is meant for educational purposes only..! Be careful!
The servo and igniton source is then controlled by a controller fueled from a little battery.
And a beneficiary bound to a transmitter your data sources will control the gadget from a separation up to 1 kilometer!