Single-Cylinder Air-Cooled Engine Block

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Bounding box: 170.0 × 150.0 × 207.0 mm
Engine: Precision B-rep
Parameters: 21
Published: October 14, 2026

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Parameters

Name	Value	Range
Cylinder Bore	64 mm	20 – 160
Cylinder Wall Thickness	12 mm	4 – 40
Deck Height (crank axis to deck)	120 mm	50 – 300
Crankcase Depth Below Axis	55 mm	15 – 200
Crankshaft Bore Diameter	48 mm	10 – 140
Block Length (X)	120 mm	60 – 400
Block Width (Y)	100 mm	50 – 300
Cooling Fin Count	8 pcs	1 – 20
Fin Thickness	5 mm	2 – 20
Fin Spacing (pitch)	10 mm	6 – 50
Fin Radial Length	20 mm	4 – 80
Cylinder Head Thickness	22 mm	6 – 80
Head Bolt Hole Dia	10 mm	4 – 24
Head Bolt Inset X	15 mm	5 – 60
Head Bolt Inset Y	14 mm	5 – 60
Spark Plug Hole Dia	14 mm	6 – 30
Spark Plug Offset From Axis	35 mm	0 – 60
Mounting Foot Thickness	10 mm	3 – 40
Foot Overhang Per Side	25 mm	5 – 80
Foot Anchor Hole Dia	9 mm	3 – 25
Corner Fillet Radius	3 mm	0.5 – 10

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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