Radial Engine, Turbo-Compound, 18 Cylinder, Post-World War II
$80.00 Radial Engine, Turbo-Compound, 18 Cylinder, Post-World War II
3D
Published 2023-05-22T09:10:07+00:00
Post-World War II, while jet aircraft appeared, engines of the type called Turbo Compound Engine that recover exhaust energy output by turbines were used in large aircraft such as DC-7, Constellation and P2V-7.
This type was famous for Curtis-Wright R3350 engine, which incorporated many of the latest 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 Planetary spur gear reduction mechanism with Ball pocket type hydraulic Torque Meter
② Cam drive gear + secondary vibration Balance weight (front and rear)
③ Steel Crankcase, clamp bolt type Crankshaft
④ Machined Cylinder Head Fins, thin sheet metal assembled Barrel Fins
⑤ Power Recovery Turbine (PRT) (3 pieces), output recovery gear system with torque converter
⑥ 2-speed planetary gear type Supercharger (reproduces 2-speed state)
⑦ Method of vaporizing the metered fuel from Carburetor by Impeller
⑧ Simplified auxiliary equipment -- Carburetor, Magneto, Distributor, Starter, Propeller
⑨ Can be driven by DC motor and finger (accurate assembly required)
⑩ Can be disassembled and assembled
[Video] https://youtu.be/akSfn2Xe2Sc
B. Assembly Manual (PDF format, total 38 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)x3, 6901ZZ(12x24x6)x2,
6902ZZ(15x28x7)x1, DDL-520ZZW52(2x5x2.5)x10
-Metal Bearing (Needle) - HK1216(12x16x10)x1, HK1712(17x23x12)x1
-Coil Spring (5x10x0.5 or 0.4) x4 -Aluminum Pipe φ3, 4, 5, 6
-Piano Wire : φ1 -Steel Ball : φ3 x16
-Screws M1.4, M2, M3 and M4 - Size can be changed by your experience.
D. STL file
STL files of this model are 129 items.
"ws" of last 2 digits of file name means "With Support" special designed.
E. Total Net Print Time: Approx. 297 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!!.
See Description
| Date published | 22/05/2023 |
| Precio | $80.00 |