Moojo Kim
Cone shape experiment (10): Launch and experiencing failure
After 3D printing the launchpad, the rockets were ready to be launched I felt optimistic before going out to launch the rockets, but my...
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Welcome to RocketLab Blog
Here, I upload the fascinating works we produce in RocketLab. Scroll down to check out our earliest news!
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Moojo Kim
2021년 9월 5일1분 분량
Cone shape experiment (9): making rocket fins
Having a total of 6 rockets, a total of 18 fins were needed since each rocket would have 3 fins. The dimensions for each fin were as...
Moojo Kim
2021년 9월 5일1분 분량
Cone shape experiment (8): connecting fuel container to rocket body
The fuel container was connected to the cardboard body of the rocket using hot glue. The container was connected such that there was 12cm...
Moojo Kim
2021년 9월 5일1분 분량
Cone shape experiment (7): attaching fuel container to body link
After the hot glue was cooled, the PVC pipe was attached to the link, which was previously 3D printed (https://mjkim22.wixsite.com/rocket...
Moojo Kim
2021년 9월 5일1분 분량
Cone shape experiment (6): making fuel mixture (blended, not heated)
After building the body of the rockets (https://mjkim22.wixsite.com/rocketlab/post/cone-shape-experiment-5), I realized that using molten...
Moojo Kim
2021년 9월 5일1분 분량
Cone shape experiment (5): crafting rocket main body
After testing with the fuel, I moved on to building the body of the rocket. The rocket body was prepared by cutting a 70cm cardboard pipe...
Moojo Kim
2021년 9월 4일1분 분량
Cone shape experiment (4): fuel mixture test
The first attempt at making the fuel for the rockets that are to be used for the cone shape experiment was done as shown below: These are...
Moojo Kim
2021년 6월 17일1분 분량
Cone shape experiment (3): all cones 3D printed
It took about two and a half weeks to print and detach the rafts of all 10 3D printed cones (4 smaller cones + 3 bases + 3 tips of bigger...
Moojo Kim
2021년 5월 29일1분 분량
Cone shape experiment (2): 3D printing the cones
With the STL files download from Fusion 360, and after converting the STL files to gcode with FlashPrint, I am finally ready to print the...
Moojo Kim
2021년 5월 28일1분 분량
Cone shape experiment (1): designing the cones
During next summer break, I have decided to conduct an experiment to investigate the effect of rocket cone shape on its total vertical...
Moojo Kim
2021년 2월 28일1분 분량
Making first TVC Mount (6) – Assembling parts together
After the three parts: the main body, the inner gimbal, and the outer gimbal were 3D printed, I assembled the three together...
Moojo Kim
2021년 2월 22일1분 분량
Making first TVC Mount (5) – Printing outer gimbal and smoothening
The next file that I will 3D print is the outer gimbal. This is where the thrust component perpendicular to the inner gimbal is...
Moojo Kim
2021년 2월 20일1분 분량
Making first TVC Mount (4) – Printing main body and inner gimbal
With all STL files converted to gcode, I can now print out the necessary parts for the TVC mount. The first two files I will print will...
Moojo Kim
2021년 2월 14일1분 분량
Making first TVC Mount (3) – Converting STL files to gcode
View my designing speedrun: https://www.youtube.com/watch?v=nNTsdbdMV08&t=675s Download STL Files: https://drive.google.com/drive/folders...
Moojo Kim
2021년 2월 10일1분 분량
Making first TVC Mount (2) – Finished design
The finished design of the TVC Mount using Fusion 360 looks like this: (View the full screen recording video of the designing process...
Moojo Kim
2021년 2월 9일1분 분량
Making first TVC Mount (1) – Fusion 360 designing
A TVC Mount is a device that allows rockets to be stabilized during its ascent, since there are many factors (such as drag and unbalanced...
Moojo Kim
2020년 10월 17일1분 분량
Sugar Fuel Experiment (5): Filling PVC pipes with propellant mixture (making rocket motor)
After observing that the fuel mixture works brilliantly, myself and the team waited for about 10 minutes for the fuel to cool down. Then,...
Moojo Kim
2020년 10월 17일1분 분량
Sugar Fuel Experiment (4): Testing combustion reaction of propellant mixture
The most exciting part of rocket fuel making is here. After mixing the fuel (sugar) and the oxidizing agent (potassium nitrate)...
Moojo Kim
2020년 10월 17일1분 분량
Sugar Fuel Experiment (3): Mixing fuel and oxidizing agent
With 500g of fuel (sucrose) prepared, I first transferred the 500g of sugar into the frying pan. Then, after I ignited the butane gas...
Moojo Kim
2020년 10월 17일1분 분량
Sugar Fuel Experiment (2): Measuring amount of sugar
A typical sugar propellant mixture is prepared in a 13:7 oxidizer (potassium nitrate, KNO₃) to fuel (sucrose, C₁₂H₂₂O₁₁) ratio (by mass)....
Moojo Kim
2020년 10월 17일1분 분량
Sugar Fuel Experiment (1): Apparatus
These are the equipments that I myself bought during the holidays and brought to school. They include a butane gas burner, butane gas...
Moojo Kim
2020년 9월 11일1분 분량
Making Rocket Body (12): Finished rocket structure
The photo below is the finished actual structure of the rocket module of Mk.1, composed of the cone, a 0.75m PVC pipe, and three sets of...
Moojo Kim
2020년 9월 7일1분 분량
Making Rocket Body (11): Printing new cone
Next, I moved on to printing out the cone again. The cone was relatively easy to print out because it was smaller and so took less time...
Moojo Kim
2020년 9월 6일1분 분량
Making Rocket Body (10): Wing body assembled
After the three identical leftover parts a printed, these are the 6 pieces that needs to be assembled together: Firstly, before they are...
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