This is an imaginary model of the first-generation jet engine that greatly contributed to the real operation of jet engines in the 1940s and 50s.
It is the unique engine that has the structure that is no longer seen today, and that allows you to know the efforts of pioneers at that time.
This type of engine has been used for jet training aircraft for about half a century.
A. The design point of this model;
① Double-sided Centrifugal Compressor (impeller)
② Inlet case with guide vane
③ Duct type diffuser
④ Can type combustor - 12 cans (There is the actual engine having 14 cans)
Outer cans are combined as a assembly because ease to printing and assembly.
⑤ Turbine - Axial single stage
⑥ Turbine cooling system using "Ambient ram air"
⑦ Front accessory gearbox
B. Assembly Manual (PDF format, total 16 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)".
C. Purchase Parts Information;
See Parts List
Micro screws M1.4x3.5L & M1.4x6L - Direct screw-in to 1 mm dia hole (No nut)
But if you have the M1.4 Tap, it will be very useful.
Screws M2 x ** - See Parts List
D. STL file
Total STL files are 29 items including the stand and tools.
“ws” of last 2 digits of file name means “With Support” special designed.
E. Total Net Print Time: Approx. 51HR
- (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 by your experience.
F. Printing settings
Raft, Support, Layer Height, Infill: Depending on your experience.
My models were printed by "idbox" using with 0.4 nozzle, 1.75 PLA.
I do hope your success!!
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