Radial Engine, 28 Cylinder, Post-World War II, Biggest
$80.00 Radial Engine, 28 Cylinder, Post-World War II, Biggest
3D
Published 2023-07-17T08:05:28+00:00
Post-World War II, while jet aircraft appeared, engines called Monster Engine that having 28 Cylinder were used in large aircraft such as “C-124 Globemaster”, “B-50 Superfortress” and “H-4 Spruce Goose”.
This type was famous for Pratt & Whitney R4360 engine, which incorporated many of the unique features of the time.
This model was created as a teaching aid to explain its main features.
A. Key Features Incorporated in This Model
① 7 Cylinder, 4 Row 28 Cylinder Engine
② Cylinder : Machined Horizontal Fins, Valve placed at front & rear
③ 5 pieces Aluminum Crankcase, 1 piece Crankshaft, Bolted Master Rods
④ Planetary Reduction Gear with Helical Spline type Torque Meter
⑤ 7 Magneto driven by bevel gears
⑥ 1 stage Impeller with Torque Converter
⑦ Method of vaporizing the metered fuel from Carburetor by Impeller
⑧ Shock Mount Frame System connected Rear Crank Case and Supercharger Case
⑨ Simplified auxiliary equipment -- Carburetor, Magneto, Starter, Propeller
⑩ Can be driven by DC motor and finger (accurate assembly required)
⑪ Can be disassembled and assembled
[Video] https://youtu.be/MCChqahmnss
B. Assembly Manual (PDF format, total 37 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;
-Metal Bearing (Ball) - 6803ZZ(17x26x5)x1, 689ZZ(9x17x5)x2, 6900ZZ(10x22x6)x2, 6902ZZ(15x28x7)x1
-Metal Bearing (Needle) - HK1712(17x23x12)x1
-Coil Spring (5x10x0.4) x4 -Aluminum Pipe φ3, 4, 5, 7
-Piano Wire : φ1
-Screws M1.4, M2, M3 and M4 - Size can be changed by your experience.
D. STL file
STL files of this model are 107 items.
"ws" of last 2 digits of file name means "With Support" special designed.
E. Total Net Print Time: Approx. 456 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.
Before "Down-Loading", please watch photos carefully and consider deeply.
I wish you success!!.
[Update 2024.2.17]
Assy Manual P5 Revised, Figure & Text only
See text
| Date published | 17/07/2023 |
| Precio | $80.00 |