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Introduction

The More You Know

The RC Baja project calls for designing and constructing a radio-controlled vehicle that is able to navigate different courses with diverse obstacles, turns, jumps and terrains for the Central Washington University RC Baja competition. The RC vehicle must have the ability to stop, start and turn at any given time. Requirements must be met for vehicle to qualify for competition. The project must consist of two team members, working on different aspects of the vehicle. This project portion covers the creation of the suspension and steering.

Fig 1: Current Design

Designs

Video 1 Fall Presentation

Video 2 Winter Presentation

Video 3 Spring Presentation

Results

test results.png

The speed test results shown in the top graphs show the vehicle reaching the 40 foot marker around an average of 1.26 seconds on the rough cement and 1.34 second average on the smooth concrete. Calculating and converting to miles per hour, the vehicle is reaching the 21 MPH mark, successfully meeting the requirement of a minimum of 20 MPH.

The turn angle test is a visual representation of the angles achieved with turning the tires right and left. Both tires reach the minimum requirement of 60 degree change in angle more often than not and even reaching up to 64 degrees during one of the trials. 

The drop test has no graphical show of results to represent the suspension arms having a deflection of less than 0.3 of an inch upon full compression of the shocks from a 2 foot drop. Testing had shown the suspension arms having no deflection during the three trials ran and the shocks with 75 weight oil in them taking the full brunt of energy. 

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