Build an aluminum remote-controlled truck from the ground up | Hacker Day

2021-12-08 08:26:56 By : Ms. Ivy Hu

Nowadays, you can use almost any type of radio-controlled vehicle as a ready-to-operate model. Cars, trucks, excavators, everything. Open the box, charge the battery, and you can start. Even with all these modern conveniences, there is still a special group of modelers who only use a few off-the-shelf parts to create their own models.

[Rini Anita] It is the kind of rare species that made this aluminum remote control truck from the ground up. The truck itself is an acronym for Cab Over Engine (COE), a style that is delivered locally on a global scale. He started with a trapezoidal frame chassis made of extruded aluminum channel steel. This is the same material you normally use for the door rails of retail store display cabinets. Electronic and standard remote control fare: receiver, electronic speed control and steering servo. The battery is a recycled lithium battery. The main gearbox and transaxle appear to come from another remote-controlled car, while the leaf springs and suspension components are all custom-made.

The body of a truck is a good example of hand-formed metal. First, a wooden table was created. Parts of the windows and door panels are carved out. Then the aluminum plate is bent onto the wooden template. The carefully placed hammering bends the metal into the carved part-leaving the mark of the door, window and other panel lines.

Throughout the build process, we were amazed at [Rini]'s skills and the fact that the entire work was done with basic tools. Grinders, old drill presses, and rivet guns are essential tools; no welder or 3D printer can be found. This makes it easy for any hacker to complete such a project-although it may take some time to hone your skills! For his next truck, maybe [Rini] can add an autopilot option!

Wow. This must be a labor of love. Very touched! Although I had to laugh at 24:42. I am surprised that scissors can cut two wires at the same time (short-circuit the battery pack!). I made this mistake once, it was all the education I needed, never make it again! However, my battery can withstand several orders of magnitude more short-circuit current than these.

I once cut a live 120V AC line with a pair of diagonal cutters. Prisoner of war! Take a large piece from one of the blades.

We call those things that exploded in'biz, it’s time for their bad luck to find us again before handing this set of pliers/knives to the apprentice

I have no idea. On a 230V system in the UK, if you cut it correctly...it will produce a cute, round, beveled edge, which is ultimately perfect for stripping solid core cables. Today, manufacturers put these on fancy side cutters. In my days, we have to make them ourselves^_~

There is no engine, but a friend made this 1:1 ratio yellow cab by hand with alu haha: https://m.youtube.com/watch?v=rY8BfddjeCo

I can't be the only one who imagines what it feels like when that thing touches your calf...

[Rini] Not only is a master blacksmith, he is also a master of materials!

What an amazing building, a master class on upscaling!

It is scary to see someone soldering lithium batteries. The thermal runaway temperature of these batteries may be about 20 degrees lower than the place where the solder melts. Scratch the dragon's tail there.

I just cringe at the shrink-wrapped battery clinging to the edge of the original metal. I could have used more tape he used at the end of the package...otherwise it is a sturdy construction. I also just saved 3 of the 4 batteries from my old laptop (actually 6 of the 8 batteries, but it’s the same as his 4 battery pack, only 2 pence)

I found it interesting to use rubber strips or flip-flops to beat aluminum into wooden molds. I wonder if it was done with leather in history. He has a truck made of a real passenger car.

When the title says "from scratch," I kind of expected him to wire the motor himself, melt his own copper wire, and make batteries from lithium ore. But hey, hackers are not what they used to be.

"If you want to make an apple pie from scratch, you must first invent the universe"-Carl Sagan

The production is cool, but there are 11 ads in the video? Come on buddy

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