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Modelo 3D 4 Stroke Flathead Boxer Engine por Bootjevaarder no Printables

Descrição

A flathead engine, also known as a sidevalve engine is an internal combustion engine with its valves contained within the engine block, instead of in the cylinder head, as in an overhead valve engine.  
The boxer configuration with two opposite cylinders is/was used by motorcycle manufacterers as BMW,  Douglas, Harley-Davidson, Indian, Lilac, Zündapp, among others. 
The boxer engine is commonly used in aircraft applications because they generate a lot of power from a light engine.


Printing and Assembly
The parts should be printed on a smooth build plate.
Avoid elephant foot and over-extrusion.

I printed the model on a PRUSA MINI, with PLA+ filament, layer height 0.15 mm. 
Use glue where necessary.

For assembled and exploded views, have a look at the .stl files in the “VIEWS” map.
Printing and assembly in alphabetical order (A1 → F2).
In the “OPTIONAL” map you find 3 .stl-files for your own preference.
Printing tips are available for many parts.

Dimension: 125 x 142 x 112 mm.
Weight: 0.32 kg.


Metal parts
Four coil springs are needed for the valves, 10 mm width x 15 mm height. Wire thickness 0.6 or 0.7 mm (AliExpress).


Compatible Gearbox
For joining the gearbox Constant Mesh Two Speed Gearbox by Bootjevaarder | Download free STL model | Printables.com, print “OPTIONAL - Gearbox Stand.stl” instead of “B5 - Stand.stl”.

Printables

4 Stroke Flathead Boxer Engine

Publicado em 26 de jun de 2024

673
Curtidas
1,268
Downloads
14
Impressões
Categoria Automotive
Licença Creative Commons — Attribution — Noncommercial — NoDerivatives
Arquivos (38)
3D VIEW.stl 18.3 MB
A - CRANKSHAFT.stl 983.3 KB
B - HOUSING.stl 4.6 MB
C - CAMSHAFTS.stl 2.7 MB
D - CYLINDER.stl 2.7 MB
E - INLET AND EXHAUST.stl 1.4 MB
F - CARBURETOR.stl 358.4 KB
A1 - Crank Cheek Distribution Side.stl 280.3 KB
A2 - Piston Rod.stl 156.6 KB
A3 - Crank Cheek Center.stl 269 KB
A4 - Crank Pin.stl 97 KB
A5 - Piston Rod.stl 156.6 KB
A6 - Crank Cheek Handle Side.stl 186 KB
B1 - Housing Distribution Side.stl 875.1 KB
B2 - Housing Handle Side.stl 722.3 KB
B3 - Cranked Handle.stl 523.3 KB
B4 - Distribution Gear.stl 534.6 KB
B5 - Stand.stl 715 KB
B6 - Idle Gear Axles.stl 387.8 KB
B7 - Idle Gears.stl 1.3 MB
B8 - Name Plate.stl 76.1 KB
B9 - Pistons and Wrist Pins.stl 778 KB
C1 - Camshaft Short.stl 1.4 MB
C2 - Camshaft Long.stl 1.4 MB
D1 - Cylinder Block.stl 629.5 KB
D2 - Valves and Stems.stl 919.2 KB
D3 - Dowels.stl 24.7 KB
D4 - Gasket.stl 72.7 KB
D5 - Cylinder Head.stl 602.3 KB
D6 - Spark Plug.stl 295.2 KB
E1 - Exhaust.stl 423 KB
E2 - Inlet Short.stl 286.7 KB
E3 - Inlet Long.stl 285.4 KB
F1 - Carburetor.stl 371.7 KB
F2 - Air Filter.stl 577.3 KB
Propeller.stl 1.7 MB
Power Tool Adapter.stl 250.1 KB
Gearbox Stand.stl 1.1 MB
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