3D preview of Liquid Rocket Bell Nozzle (Rao, eps 165)
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Interactive 3D model of Liquid Rocket Bell Nozzle (Rao, eps 165)

Fittings and adapters

Liquid Rocket Bell Nozzle (Rao, eps 165)

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Bounding box
1812.6 × 1812.0 × 3242.0 mm
Engine
Precision B-rep
Parameters
12
Published
October 11, 2026

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The prompt

I want to design rocket nozzle for liquid engine rocket scales about 3 to 4 meter which has highest efficiency

Parameters

NameValueRange
Chamber Inner Dia300 mm50 – 2000
Cylindrical Chamber Length500 mm50 – 3000
Convergent Half-Angle30 deg10 – 45
Throat Dia140 mm20 – 1000
Exit (Exit Plane) Dia1800 mm100 – 6000
Bell Initial Expansion Angle25 deg10 – 40
Bell Exit Angle10 deg3 – 20
Nozzle Wall Thickness6 mm1 – 50
Mounting Flange Width60 mm15 – 300
Mounting Flange Thickness20 mm5 – 100
Flange Bolt Hole Dia14 mm3 – 50
Flange Bolt Count24 count3 – 72

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.

Liquid Rocket Bell Nozzle (Rao, eps 165) - Free CAD Model (STEP, STL) | TextoCAD