Weeks 3 and 4: CADing, purchasing and prototyping

CADing the different components and systems

CAD of the frame that we had in mind initially

CAD of our initial frame

CADing our frame in Solidworks helped us to better visualize our vehicle, which resulted in us making some changes to the frame and connectors. It helped us to improve upon the structural integrity of the frame, and create connectors that optimize the amount of aluminium plate given to us.

CAD of the steering system

CAD of the steering system

We also split the CAD work among the three of us, as the Solidworks workload was quite heavy, and this way we could all gain some experience in Solidworks as well. We CADed the steering system separately, before assembling this together with the frame.

Our final CAD of the frame and steering system combined

Our final CAD of the frame and steering system combined

CADing was a good way for us to confirm the dimensions of our frame and other parts, knowing that they will be properly aligned.  CADing was also essential in helping us know what parts to order. We ordered more specialised parts such as shoulder screws for our front wheel axles.

Prototyping

All's good at IDC

All’s good at IDC

The laser-cut connectors and rail

The laser-cut connectors and rail

We then put the parts together to form…

A laser cut prototype of our frame - we even laser cut the extruded rails

A laser cut prototype of our frame – we even laser cut the extruded rails

Guan Yang and Zijian evaluating our frame prototype

Guan Yang and Zijian evaluating our frame prototype

A prototype of the seat that we will be mounting onto our vehicle!

A prototype of the seat that we will be mounting onto our vehicle!

Budgeting: What’s there left to purchase?

We now have a total of around $65 left to purchase remaining components for the brake and throttle system, belt and sprocket, seat and electrical system. $65 is not alot, thus we will have to carefully plan for the remainder of our budget! Hopefully it will be enough, otherwise we may have to beg, borrow and steal.

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