12/02 - 12/09

As for the last week of the semester, the motor team is pretty much on track with the time schedule. Our main dependency is the motor itself, as we are waiting for it to arrive any time within the next week. Since this week is the last meeting, we decided to split up tasks that we can do throughout the break. Referring to the team's Gantt Chart, I will be looking for machine shops around the South Bay and compare service quotes from them. Then, if the machinists do not approve the materials that we are planning to use, I will be researching other materials that might not cost too expensive.

11/26 - 12/02

Progress:

This week's progress began with the completion of CAD drawings for both the motor case and shaft. We have two design of the motor case, a case that goes over the original motor case, and an alternate design of a case that goes over the motor itself. Then, the CAD drawings were sent to the MEP for 3D printing. The small scale version of the prototypes were then used for presentation during the third presentation. We also presented our last presentation last Wednesday, 11/28.

Several future tasks that we have to complete are seeking professional help from machine shops for manufacturing our full scale version of the prototypes. Our aim is to manufacture the prototype before the spring semester starts. Also, we looked into materials that might be suitable for manufacturing. We searched into MetalsDepot and found that the aluminum stocks for both the motor case and shaft will roughly cost around $400. The types of aluminum stock that are going to be use are the Aluminum 2024-T351 and Aluminum 6061-T6511.

11/19 - 11/25

Progress:
- KBL controllers received and already given to the controls team.
- Motors are expected to arrive early December.
- Shaft design completed.
- Motor case design completed.

Machining progress:
- We talked to Dr. Furman about recommendations on machine shop:
- He suggested the Central Shop at SJSU's College of Engineering.
- We are in contact with Central Shop to start a service request, but we are also looking for any other potential machine shops for back-ups.

Material progress:
- We looked into what material our shaft and case would be. We discussed with Dr. Furman about this, and we came to an agreement of using aluminum as the material for shaft and case. I did some research on the price range of the material cost, it was around $500. With this budget, we will be getting Aluminum 2024-T351 and Aluminum 6061-T6511. Both types are good for machining and can withstand high load.

Next week's assignment:
- Start working on Presentation #3
- Start 3D printing prototype.

11/12 - 11/18

Progress:
- KBL controllers received and already given to the controls team.
- As of now, we are still waiting for the motor to be shipped. We received a confirmation from the company that expected delivery date should be early December.
- Shaft design is almost completed but still need some finalization.

Tire progress:
- I looked into airless tire options as our wheel, but our team decided to not use airless tire, instead, we are designing a rounded steel case that will house the motor and become our wheel.
- The CAD design for the case of the motor is also in progress.

Machining progress:
- We asked recommendations from Dr. Furman, and we were recommended Central Shop by him.
- We are still finding some other places for back up.

Next week's assignment:
- Continue CAD for new shaft
- Continue CAD for case housing
- Find materials for case and shaft
- Finalize on machining company

11/5 - 11/11

Progress:
This week, my group mates and I get together to decide on purchasing the motor and controller:
- KBL controllers found and purchased [Approved by Dr. Furman]
- 3 Motors purchased [Approved by Dr. Furman]

Right now, we are waiting for the motor to be shipped from China.

Tire progress:
I looked into airless tire options as our wheel, but our team decided to not use airless tire, instead, we are designing a rounded steel case that will house the motor and become our wheel.

Shaft progress:
We are going to change our shaft design. We are designing a threaded axle that will connect one motor on each side of that shaft instead of designing a single shaft for each motor.

Next week's assignment:
- Continue CAD for new shaft
- Continue CAD for case housing

10/29 - 11/4

Last week's assignment:
- Work on presentation
- Presentation on 10/24

10/31:
My groupmates and I met on Spartan Superway Garage for our weekly meeting. We worked on the team blog together and assigned individual tasks to be completed by the end of the semester, such as deciding on controllers and getting an invoice for it. Continue working on the shaft drawing, as well as the housing of the motor, do more FEA analysis on both CAD drawings, and start ordering the motor from XOFO.


This week's assignment:
- Look into KBL controllers or any controllers by other companies that satisfy our requirements.
- Look into available airless tire options and how to attach it to our designed motor housing.
- Find a machining shop that can help manufacture our CAD drawings of the shaft and motor housing.

10/21 to 10/28

On 10/22, I met with my other group members at the library to discuss what we are going to present during the presentation. Referring to the rubric and presentation 1's comment, we decided to add more detailed information about our project scope, including motor specs, vendors, kinematic simulations, and motor sizing and torque graphs. Other than that, we also believed that adding CAD drawing and FEA analysis in the presentation will provide better information to the audiences. Thus, 10/22 meeting involved contacting vendors for more detailed motor specs and work on presentation as much as we can.

On 10/23, our team met at the library to finish off the presentation. We worked on torque graphs, and Gantt chart. After meeting for a while, we went to the Spartan Superway Garage to meet with the Wayside and Control teams to discuss on motor specs as well as controllers for the motor. After meeting, we went to finish off CAD drawings to complete the presentation.

On 10/24, we presented the presentation.

Week 10/14 to 10/21

Before 10/17 meeting:
- I met with my groupmates to discuss motor sizing:
Since one of the requirements for makers faire is to let the chassis coast for 2 miles per hour for around 10 seconds, we tried to calculate the torque needed by our motor to accelerate the chassis. However, after doing some kinematic analysis, we believe that it might not possible for the chassis to coast for 10 seconds, accounting 2 seconds to accelerate to 2mph, and 2 seconds to decelerate to stop.
- We calculate the torque needed to be around 60 ft lb


- We also met up to do the team blog and plan on what to present on upcoming presentation #2


After 10/17 meeting:
-TBA

Week 10/07 - 10/14

Following up with the project, there were some topics brought up when my groupmates and I met each other. We mainly discuss our concerns regarding our desired motor from MAC motor. According to our motor sizing, since we would like to have a low RPM high torque motor, the motor provided by MAC will overheat in a few minutes. So, we came up with several lists of possible solutions such as having a planetary gearbox. We planned on decreasing the speed of the bogie, while increasing the speed of the motor to prevent the motor from overheating. With that said, we tried to research more about the planetary gearbox and what gear ratios we might need to slow down bogie while maintaining the ideal RPM for our motor. 

We also discussed of having a controller that can adjust the voltage input of the motor. 

Assignments:

- Follow up with vendor (MAC motor)

- Research more on controller ( example: KBL control)

- Research on the planetary gearbox and how to calculate them

- Sizing of motor

- Look into beadlock rim 

- Research on Tesla pump for air cooling

Week 10/01 - 10/07

This week's assignment:
- Meet up with group members to follow up on the project.
- Meet up with group members to do the team blog
- Meet up with group members to discuss the future plans of the project scope

On 10/01,
I met with two of my group members in the library to work on the:

• The team blog
• Discuss future plans of the project
• Work on motor requirements for other groups
• Discussing motor options for bogie

Future plans execution:

• Gather information of desired motor specs from MAC motor
• Finding sponsors to fund the motor
• Place order in for hub motor
• Decide on the motor (6 hub motors) 
• Redesign the housing of the motor to fit better on the bogie
• Finalize on designs.
• Assembly and Manufacture.
• Finalize products on the bogie
• Makers Faire

Completed assignment: 

- Team blog

- Follow up on project

Next week's assignment: 

- TBA

Week 09/24 - 09/30

Next week assignment:
- Meet up with the team for #1 presentation
- #1 Presentation
- Follow up on the progress of the project

Completed assignment:
- Meet up for group meeting
- #1 Presentation

I met with two other of my team members for a group meeting to discuss future plans and start on presentation slides. The last member of the team stayed in contact through group message. We met in the library on 09/21.

Things did or discussed during the meeting:
-  Future plans on how to execute the project

1. Buy 4 motors from the vendor (Mac Motor) 
2. Open up the motor
3. Design a single support shaft for the motor
4. Design a housing for the motor
5. Assembly and manufacture
6. Finalize final product
7. Mounting the motor to the bogie
8. Makers Faire

- Finding suitable motors from different vendors for the project
- Finding the specifications of the motor
- Finish off the presentation #1

Next week assignment:
-TBA

Week 09/17 - 09/23

This week assignment:
- Follow up progress with the project
- Revise proposal
- Meet up for #1 Presentation on September 26
- Decide on specs of the motor

Completed assignment:
- Follow up on progress of the project
- Revise proposal
- Decide on specs of the motor

Next week assignment:
- Meet up with team for #1 presentation
- #1 Presentation
- Follow up on progress of the project

Week 09/09 - 09/16

Assignments of the week:
- Revised proposal
- Research about cooling system technique for heat dissipation.
- Update Team blog/Individual blog

Completed assignments:
- Revised proposal (met up with groupmates to do the assignment)
- Team blog
- Individual blog
- Researching about cooling system technique

• Water cooling system
• Air cooling system

Following week assignment:
- Follow up progress with the project
- ** September 26 -> #1 Presentation

Week: September 02 - September 09

Assignments for the week:
- Lightning talk (5 mins per team)
- Project proposal

Completed assignments:
- Lightning talk -> in charged of flywheel section
- Project Proposal

Following week assignment:
- Follow up progress with the project
- ** September 26 -> #1 Presentation

Blog Trial test

Hello, my name is Kristopher Kwandy and I am an International student from Indonesia. I am currently majoring in Mechanical Engineering and is expected to graduate in 2019. I am mostly interested in the mechatronic system of the project.

As for contact information, I can be reached through email at kristopher.kwandy@gmail.com or by phone number at (425)-406-0470.