Turboprop Engine, for Business Aircraft, Cutaway

cults3d

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 configuration. There are two types of this class engine; - Direct drive This cutaway model is the direct drive type. - Free turbine Features of this model are; ①. Integral-type Reduction Gear Box with an Air Intake ②. High Ratio Reduction Gears (including Planetary) ③. 2 stages Centrifugal Compressor (Impeller) ④. Reverse Flow Combustion Chamber ⑤. Axial stage Turbine ⑥. For the bearings (BRG), the printable dummy BRG are prepared to reduce cost instead of the metal ball bearing. Download files includes; -files: STL Files (44 items) STL file name: "ws" of last 2 digits means "With Support" which special designed. -images: Parts Breakdown for assembly Aid -Excel (Zip) File: Parts List Purchase Parts Information; -Aluminum Tubes See Parts List -Screws Micro screws M1.4x3.5L - Appox. 45 ea - Direct screw-in to 1 mm dia hole (No nut) Screws M2 x ** - See Parts List Assembly Points - Standard Skill (such as Drilling, Tapping, Filing, Tightening, Painting and Gluing etc) is needed and perseverance too. - If you want to clarify the air flow passage, the back side surfaces are painted before glueing and/or assembly.(See Photos) Total Net Print Time: Approx. 40HR - (Estimated as case of PLA, 0.4mm Nozzle, 0.2mm Layer Height, 40% infill and No raft and support) Especially, Input-Housing101ws.stl needs about 10 hours to print. Note: When at actual print, each parameter may be adjusted by your experience. I do hope your success!! [Update 2017.12.15] For "Dummy Propeller Assy", related STL files (4), photo and image are added. [update 2018.07.12] Revised Description only.