Radial Engine, 14-Cylinders, Cutaway

myminifactory

This was produced as a teaching material that can explain the structure and function of the “Radial 14-cylinder” engine installed in world-famous aircraft such as the "Zero Fighter" and "DC-3" in the 1940s and 1950s.Well-known engines with this type of structure are "栄"(Sakae), "金星"(Kinsei), "R1820", "R1830" and "R2000". A. Features of this model are; 1. Cutaway model of entire engine; ①. Reduction Gears (Planetary) ②. Cam and Drive gears ③. Crankshaft and Rod assembly ④. Cylinder and Piston with Valve mechanism ⑤. Supercharger gears and Impeller 2. Air Intake and Exhaust Pipes 3. Simplified Accessories (Propeller, Prop-Governor, Carburetor, Magneto and Starter etc.) 4. It can be rotational when assembled carefully. B. Assembly Manual (PDF format, total 31 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)".The manual is including the all procedures to assemble with all parts. B. Purchase Parts Information (Changed);　-Metal Bearing - 675ZZ(5x8x2.5)x3, 689ZZ(9x17x5)x2, 6900ZZ(10x22x6)x4, DDL-1370ZZ (7x13x4)x1　-Coil Spring (5x10x0.5 or 0.4)x4　-Aluminum Pipe φ3, 5, 7　-Pin, Brass φ2, Piano Wire φ1　-Screws M1.4, M2 and M3 - Size ca be changed by your experience. D. STL file　　STL files of this model are 92 items.　　"ws" of last 2 digits of file name means "With Support" special designed. E. Total Net Print Time: Approx. 222 HR 　- (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. [Update] 2022.11.23Propeller (Tool) changed from 2 to 3-Blade type.Related "Assy-Manual (R1) and new STL files uploaded. Before "Down-Loading", please watch photos carefully and consider deeply.I wish you success.