3D model description
This is a model of the Turboprop Engine for Business Aircraft, etc.
Engine of this class has many features other than the large size jet (fan) engine.
- Smaller size - Higher RPM - Lighter weight
These features make the complex air flow and unique configuration.
There are two types of this class engine;
- Direct drive
This type model was ed to the following URL.
https://cults3d.sitesunblocked.org/en/3d-model/tool/turboprop-engine-for-business-aircraft-cutaway
- Free turbine
This cutaway model is the free turbine type.
Features of this model has 2 major assemblies
①. Free Turbine Assy (Forward of Engine)
(1) Power Turbine Rotor
(2) Dual Planetary Reduction Gearing
(3) Exhaust Ducts
②. Gas Generator Assy (Backward of Engine)
(1) Circumferential Type Air Intake
(2) Combination Type Compressor (Axial + Centrifugal)
Note: Stators of Axial Compressor are intentionally omitted to avoid rubbing during rotation.
(3) Reverse Flow Combustion Chamber
(4) Axial stage Turbine
(5) Accessory Gear Box (including Oil Tank)
Assembly Manual (PDF format, total 19 pages)
The detail assembly manual including "Parts-List", "After printing treatment" and "Assembly procedure" are prepared based on "Standard Skill (Filing, Drilling, Tapping and painting)".
files includes;
-files: STL Files (60 items)
STL file name: "ws" of last 2 digits means "With " which special designed.
-images: Parts Breakdown for assembly Aid, Subassembly Photos
-PDF (Zip) File: Assembly Manual
Purchase Parts Information; (No Metal Ball Bearing is used)
-Aluminum Tubes
See Parts List
-Screws
Micro screws M1.4x3.5L - Appox. 50 ea - Direct screw-in to 1 mm dia hole (No nut)
Screws M2 x ** - See Parts List
Total Net Print Time: Approx. 50HR
- (Estimated as case of PLA, 0.4mm Nozzle, 0.2mm Layer Height, 40% infill and No raft and )
Note: When at actual print, each parameter may be adjusted by your experience.
This is the most challengeable item in the creations which I made before.
I do hope your success!!
[Update] - 2018.3.14
Photo of typical special is added.
[Update] - 2018.7.12
Revised Description only.
[Update] - 2018.7.19
Modified Comp-Rotor901ws.stl is introduced.
[Update] - 2018.7.20
Modified Comp-Rotor901ws.stl was changed to
Comp-Rotor801ws.stl and 3-piece type
[Update] - 2021.4.12 Improved files and related figure ed
Comp-Rotor-1st-01ws.stl → Comp-Rotor-1st-101ws.stl
Comp-Rotor801ws.stl → Comp-Rotor801aws.stl
[Update] - 2021.4.14 Improved file
Comp-Rotor-1st-101ws.stl - Re-changed
[Updated] - 2022.2.24
"Note" added in ②(2)
[Update] - 2022.6.20
"Assembly-Manual-R01" reflected above Mod-Parts is ed
3D printing settings
3D printing settings
Raft, , Layer Height, Infill: Depending on your experience.
But the parts having gear, small shaft and thin portion: 100% infill is recommended.
My models were printed by "idbox" using with 0.4 nozzle, 1.75 PLA.