Jet Engine Model - Small Size - Design #1 (Product ID: JET-S1)

What is this?

This is a 3D printed Jet Engine Model – Small Size – Design #1 (Product ID: JET-S1)

A jet engine is a magnificent machine that burns energy-rich, liquid fuel and release hot exhaust gas to generate an extremely powerful pushing force called thrust. The thrust pushes a plane forward and take you to your desired destinations across the Globe  

After introducing a number of designs including both large and medium sized jet engine models, one day, I was approached by one of my colleagues. He asked if I could shrink down the medium sized model even further so he could print a number of them and give them away to school kids at his STEM events. Ideally, this new model should take no longer than 24 hours to make to keep cost and lead time to minimum.

At first, I had some serious doubts whether this was doable at all because it was already challenging to shrink my original Jet Engine Model to half of its size (please note that if the model was printed on an SLA printer, this would not be an issue. However, as I create most of my 3D printed models on a FDM/FFF printer, it won’t be so easy). After a couple of failed prints and several design alterations, I finally managed to shrink down the medium sized model by 50%, meaning that this new model is actually 4 times smaller than the original large sized models!. 

Although it’s really small (can fit inside the palm of my hand), I managed to retain every details on the casing, hence, you can look at the outer casing and distinguish between each module of the engine. The model doesn’t have any internal components but it still have a beautiful Fan which can be rotated by hand

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Technical Specifications

Overall dimensions: Length: 123mm, Height: 87mm, Width (or Fan Case Diameter): 78mm
Weight: Approx. 
0.25kgManufacturing lead time: 1-2 days
Total number of components: 8 (see break down below)
Total number of 3D printed parts: 6
Total number of bought-in parts: 2 (bearings)
Material used: PLA

What can this model be used for?

The 3D printed Jet Engine model JET-S1 is an excellent model for STEM engagement because:
– It helps capture attention of young students instantly and engage with them more effectively.
– It helps the students better and quicker understand how a Jet Engine works in simple terms by being able to explore a physical model and interact with it (rather than looking at pictures or CAD model of an engine via an App on phones or tablets). 
– The model made by 3D printing, hence, it helps spark interesting conversations with the students about how technologies (such as additive manufacturing) are revolutionising the Engineering Industry today and how they can learn the skills that would benefit their careers in STEM in the near future. 
– Finally, with excellent quality and finish, the model can be given away as a gift or an award to school kids or simply a super cool item in your personal aerospace collection!


1, Does the Fan spin? Yes, it does
2, Can I take the Engine off the Stand? Yes
3, Can I spin the Fan manually? Yes
4, Can the Fan be driven by a motor? No, the motor option is only available on the large or medium sized models  
5, Does the model has any internal components? No, it doesn’t. Only the Large Size models have internal components
6, Can the model be stripped down? Yes, except the Fan and the Fan Shaft (these two parts are glued together permanently)
7, Does it work like a real jet engine? No, this is only an educational model so please don’t put it on your RC airplane 🙂

Would you like to give us some feedback on the JET-S1 model? Please leave your comment below:

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