Timeline
Design it
•
Build it
•
Launch it
•
Design it • Build it • Launch it •
Schedule Overview
The schedule for Team Hokulele looks good as a majority of the tasks the team wanted to complete by this point has been completed. One thing that was planned to be completed but currently is not is the Payload design, this was due to the new FAR rules & regulation changes from previous years and needing to update the design to comply with the changes. The team is looking like we will be on schedule once we make the necessary changes to the payload. The next milestone will be purchasing materials so they arrive when needed to start the fabrication process.
Completed Milestones
Proposal
The team presented and submitted the Request for Proposal Report on September 27th 2023. This report introduced the project mission statement, a proposed design with descriptions and inspirations, also included the gantt chart, and preliminary work breakdowns structure. This report also introduced the team members, laid out the team policies and expectations, and set the foundation for how the team dynamic works.
Preliminary Design Review
The Preliminary Design Review was submitted on November 8th 2023. This report showed our decision making matrices (DMM) and the designs as a result of the DMMs, it also described the current testing plans, and the current risk analysis and mitigations the team has identified.
Critical Design Review
The Critical Design Review was submitted on December 13th 2023. This report showcased the finalized designs for the components of the rocket utilizing cad models and assemblies. It also explained the current cost breakdowns for each subsystem and the finalized testing plan. This report also introduced the FMECA and Fault Tree which explained subsystem level failures and how we will reduce the occurrence of them.
Fundraising
In terms of Fundraising during the Fall semester the team has applied for grants via UROP and Hawaiian Airlines Kokua Giving Program. The team has also successfully completed a Samurai Snacks Fundraiser on the 17th of November, resulting in an additional $750 added to the budget. During the Spring semester the team has completed a Cookie Corner fundraiser and has raised funds through a Go-Fund-Me page the team has set up. The team has also contacted companies with requests of supporting the team and has received some discounts and some services. The team also contacted Dr. Song Choi of the University of Hawaii at Manoa College of Engineering for additional funding requests which has helped the team get closer to the financial goal.
In-Progess Milestones
Finalizing Designs
The team is currently finalizing the designs as well as updating designs to reflect changes to the new 2024 FAR Rules & Regulations.
Purchasing Materials
The team is working towards getting a purchase order ready for approval so the items will be available by the start of the Spring semester.
Assembly
The team has started prototyping and assembly of the rocket. So far the Recovery and Payload subsystems have prototypes of they sections using 3D-printed components to test fitments and functionality. The Structure subsystem has been working on prepping the tubes to be competition ready, the completion of the body tubes were necessary for the motor test that was conducted on March 16th.
Testing
The team is also currently in the testing phase, three of the subsystems have scheduled or conducted tests.
The Propulsion subsystem has the motor test which allows the team to practice the assembly of the motor which they will need to do at competition, the test also fired a motor within a testing chamber to test the body tube’s strength.
The Recovery subsystem has four different tests including a vacuum chamber test, flight test, long range communication test, and recovery deployment. The vacuum chamber test tests the functionality of the flight computers to trigger at certain pressures that the rocket will reach during flight. The flight test tests the telemegas ability to trigger similar to the vacuum chamber test. The long range communication test tests the telemegas’ ability to connect to its sensors from large ranges to get telemetry data during the flight. The recovery deployment test allows the Recovery subsystem to understand how the parachutes much be packed within the body tubes, and the amount of pyro charges necessary to deploy the parachutes.
The Payload subsystem has three different tests including a drop test, vibration test, and transmission test. The drop test will test the housing and its ability to hold all components securely without damage to the components. The vibration will test the payload’s electrical and hardware components to make sure they can survive the forces it may experience during flight. The transmission test will test the connectivity between the live video feed and the receiver to view the video, testing how the connection may become blurry or what causes the connection to be lost so the team can avoid that during the flight at competition.
Future Milestones
Assembly
In the future the team will continue the assembly of the rocket and its subsystem components.
Testing
The team has started testing but will continue testing for the rest of the Spring semester so the rocket is ready for competition in early June.
Competition
Lastly the end goal of competing at the FAR 51025 in Summer of 2024. The team will make sure the rocket is completely assembled and tested so it can perform at its best during the competition.
