Working Radar Screen for bridge interior, construction details and video. Light source provided by two high output LEDs, screen is made from a ROSCO gel sample that has been partially sprayed with black paint and rings scratched through paint once partly dry
The screen will be linked directly to the radar drive motor so both radar scanner and monitor will operate in sync.
Carefully trim the acetate gel into a circle that fits inside the radar screen housing
When paint is dry, but still soft, use a circle template and scriber to lightly scratch through the paint surface to create the radar screen rings
Stage 1 mask with frog tape and lightly dust a graduated black spray paint
The screen will be linked directly to the radar drive motor so both radar scanner and monitor will operate in sync.
Component parts from front to back, clear perspex front screen, radar acetate mounted onto a central drive wire using superglue, this wire is then feed through the diffuser lens, made from frosted perspex, and finally through the ABS end cap which will be glued to the back of the cylindrical radar screen housing. Florescent perspex rods are set into the frosted perspex diffuser to indicate vessels when the radar screen rotates.
Carefully trim the acetate gel into a circle that fits inside the radar screen housing
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