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MOC-39694 5-cylinder Pneumatic Star Engine Building Blocks Set (872PCS)

Original price was: $159.99.Current price is: $135.99.

-15%

PCS:872 PCS
Weight:850g
Dimensions: 27.3 × 13 × 27.1cm
Licensed from designer Morningstrummer
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Features:

.Introduction: Authorized by Morningstrummer, this model is well-designed, sturdy, and aesthetically pleasing, while taking the assembly fun into account to provide high ornamental and collection value.
.Contains 872 premium parts made of eco-friendly ABS material in precise casting for strong tightness and stability. Besides, the premium parts, in rich colors, are free of burrs and edges, ensuring safe assembly.
.Detailed Instructions: Comes with QR code instructions with illustrations which can be acquired by scanning with your phone. The steps are detailed and easy to understand, helping you quickly assemble.
.Value: The assembled model is a great display model and background decor for cultivating practical and thinking ability. Also the perfect gift for block enthusiasts and engine blocks.
.Notes: Suitable for children over 16+. Small particles are attached inside, please pay attention to the use and placement.
.Special Note: Because the engine block is a precise engineering, so please make sure every step is correct. It is a pneumatic engine, each pneumatic hose must be cut accurately according to the length, otherwise it will cause air leakage and can not run.

.Background: Radial engines are primarily used in Aircraft, however some can be found in tanks, cars and generators as well. A key aspect of radial engines is the odd number of cylinders, (5, 7, 9 etc.) this has to do with the firing sequence of the cylinders themselves. Always firing every other cylinder, so for a 5 cylinder engine the sequence is as followed: 1 – 3 – 5 – 2 – 4 – 1 – 3 – etc.
As it turns out there is no native pentagon shaped piece (at least that I know of) so some creativity was required on my part. Luckily I found some of those nice frames in my collection, those turned out to be perfect and thus the design process began.
Initially I cheated a little bit, creating 5 identical 1 cylinder engines and sticking them together with a gear in the center. This worked, however I wasn’t to happy yet as it wasn’t a true radial engine. So I continued and come to a design that did work, well sort off. It runs but not as smooth anymore, this yet again came back to not having proper pentagon shapes. However, it works, and that was my primary goal. A true and working radial engine.

Specifications:

.Material: ABS
.Product Weight: 850g
.Package Weight: 1250g
.Product Dimensions: 27.3 × 13 × 27.1cm
.Package Dimensions: 35.8 × 26 × 6.8cm
.Packing: Graphic Carton
.Ages: 16+

Additional information

Weight0.75 kg