The pneumatic structure the students from RPI constructed for Montreal was a 39 feet long wall that went from 6 feet to 10 feet. As a group we choose to use this sense of progression as an additional means to help guide the occupant into the space. Placing the wall parallel to the wall of the room from smallest end to largest did this. The wall was constructed of two air chambers, one for each side of the wall/structure. When one side is being inflated it causes the wall/structure to curve.



Using an optical sensor and relay we connected two vacumes as the projected light source changed the relay was switched. Causing one of the vacuums to turn on. Each vacume was connected to one side of the wall/structure. When one air source was off the other on this would cause the curving. When the wall began to move sensors mounted between the air pockets would then be activated. These sensors were then connected to the elmo/theramin and the keys of the electronic typewriter.



When the sensors connected to Elmo are activated it causes his motor to move and the theramin that is attached to the motor. As the theramin moved it would act accordingly to the movement. Elmo was also occupied with a voice distortion kit, which only allowed a few recognizable words to come out.



When the sensors connected to the keys of the typewriter we activated it recorded the movement of the wall. The magnetic tape head and tape were connected to the typewriter and as the keys were pressed caused the magnetic tape head to move along the magnetic tape. Distorted music would play as the typewriter completed a line and returned to the beginning.



A video recorder was set up to also record the typing and projected in real-time the footage with the help of some basic computer programming to switch the footage from its original black and white to it negative. The optical sensor connected to the relay positioned to read the switching in light from the video informing the vacumes to inflate one side of the wall/structure.

In the end the electronics and pneumatic structure worked as one and as an autonomous piece.