Four quite different types of wall-climbing robot model have been developed in our laboratory. The third type can move speedy on a wall by using the thrust force of propellers and the drive force of wheels. In this paper following articles are briefly described,
1) Outline of the third type of wall-climbing robot
2) Propulsive force and wheel drive controller
3) Pilot assist radio control system
4) A result of outdoor testsconference pape