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Jet Engine, 3-Spool

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Creation quality: 5.0/5 (3 votes)
Evaluation of members on the printability, utility, level of detail, etc.
  • 13.7k views
  • 46 likes
  • 677 downloads
License
3D design format
STL and ZIP Folder details Close
  • C-Chamber01.stl
  • Dummy-BRG-10mm01.stl
  • Dummy-BRG-7mm01.stl
  • Dummy-BRG-9mm01.stl
  • Exhaust-Cone101ws.stl
  • Exhaust-Frame01.stl
  • Fan-Blade201ws.stl
  • Fan-Duct01.stl
  • Fan-Duct301ws.stl
  • Fan-Duct302.stl
  • Fan-Shaft01.stl
  • GB-Angle-Box01.stl
  • GB-Main-Box01.stl
  • GB-Upper-Box01.stl
  • HPC-Case101.stl
  • HPC-Case101a.stl
  • HPC-Rotor101ws.stl
  • HPT-Case01.stl
  • HPT-Rotor01.stl
  • IPC-Case01.stl
  • IPC-Inlet-Case101.stl
  • IPC-Rotor101ws.stl
  • IPT-Rotor101.stl
  • LP-Front-Stop101.stl
  • LPT-Inlet-Case01.stl
  • LPT-Rotor101ws.stl
  • Parts-List011.xlsx.zip
  • Spacer-7-06.stl
  • Spinner01ws-Test01.stl
  • Spinner01ws.stl
  • Stand-Front101.stl
  • Stand-Rear101.stl

Learn more about the formats
Last update 2018-07-12 at 06:30
Publication date 2017-10-03 at 16:34
Design number 15537
konchan77

konchan77

3D printer file info

3D model description

For the latest jet engine for passenger planes, the Bypass Ratio is bigger and bigger to improve the engine-performance.
In order for one of them, the 3-spool system is developed. The 3D model for explaining this system was designed and made.
The points of the design are;

For the rotation of each spool, the ball bearing method and the dummy bearing method are prepared.
All stator vanes are omitted this time, because of avoiding rub of vanes and blades. And each rotor is designed with support so that it can be printed as one-piece.
The blade angle is made to agree in the spool rotational direction (View from Rear).
HP Spool: Clockwise
IP Spool: Counter Clockwise
LP Spool: Counter Clockwise
In addition, some parts that printing is considered difficult without support, are prepared STL file with support. The last of two digits of the file name is identified as "ws". In order to ease understanding about the contents of each part and the assembly order, parts breakdown and list are prepared.
Download files includes;
-files: STL Files
-images: Parts Breakdown for assembly Aid
-Excel File: Parts List

Purchase Parts Information;
-Bearings (Can be used Dummy BRGs instead of the followings, See Parts List)
DDL-1370ZZ (7 x 13 x 4) 2ea - For IP-Spool
689ZZ (9 x 17 x 5) 2ea - For HP-Spool
6900ZZ (10 x 22 x 6)γ€€2ea - For LP-Spool

-Aluminum Tubes
See Parts List

-Screws
Micro screws M1.4x3L - Appox. 50 ea - Direct screw-in to 1 mm dia hole (No nut),
Screws M2 x 6L - 6 ea, See Parts List

Assembly Points

Standard Skill (such as Drilling, Tapping, Filing, Tightening, Painting and Gluing etc) is needed and perseverance too.
Total Net Print Time: Approx. 42HR

(Estimated as case of PLA, 0.4mm Nozzle, 0.2mm Layer Height, 40% infill and No raft and support)
Note: When at actual print, each parameter may be adjusted.

[Update]
Optional Fan; https://cults3d.com/en/3d-model/tool/jet-engine-3-spool-optional-fan - 2018.2.15
Modified Rotor; https://cults3d.com/en/3d-model/tool/jet-engine-3-spool-modifified-parts - 2018.3.21
[update 2018.07.12]
Revised Description only.
[Update 2021.7.14]
Images size changed
[Update] 2024.02.04
The detailed "Assembly Manual" has been uploaded at the URL below.
If you are having trouble assembling it, please refer to it once.
https://cults3d.com/en/3d-model/tool/assembly-manual-for-jet-engine-3-spool

3D printing settings

Printer:
idbox

Rafts:
Doesn't Matter

Supports:
Doesn't Matter

Resolution:
Depending on parts

Infill:
Depending on parts

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