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Objective: Design and construct a fully operational, modular, hydrostatic drive system to act as a base working system for all future float concepts requiring a satellite vehicle.
Objective: Design and construct a fully operational, modular, hydrostatic drive system to act as a base working system for all future float concepts requiring a satellite vehicle.
Background
Background
A satellite is a term used in the Rose Float community which refers to a vehicle that follows along with the main Rose Float in the Pasadena Tournament of Roses Parade. Below was the previous iteration of a Cal Poly Rose Float satellite which was not designed to be reusable or do much other than be drivable. The following is the work we completed in our six month design and build process as part of our Senior Capstone Project.
Above:
Pictured left: The Cal Poly Universities satellite used in our 2014 "Bedtime Buccaneers" float.
Pictured right: The underlying drive system of the 2014 satellite.
Design
Design
Gantt chart illustrating our project timeline
Design Criteria:
- Fully operational
- Hydrostatic drive system
- Modular
- Capable of carrying a 2000 lb. load
- Animatable
- Zero turn steering
Pictured left:
The original napkin sketch of our design
Pictured right:
A 3D Solidworks model of one potential configuration of our design
A layout of the hydraulic circuit which powers our satellite vehicle
Build
Build
Constructing the central H frame of our chassis. We chose to use this I beam because we did not have a specific use for it and it fit our vehicle purpose well as far as structure, ability to mount components to easily, and channels to tuck our hydraulic lines into.
An initial mockup of our vehicle to get an idea of size and placement of components.
A photo of me drilling holes in 1" square tubing for our hydraulic reservoir/fuel tank mount.
Hydraulic system mockup. We ran our Kohler engine and hooked up our hydraulic pump, valve stack, reservoir, and hydraulic motor to test how all the components ran and get an idea of output at the hydraulic motor.
Final Product
Final Product
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