R-4D Rocket engine

R-4D Rocket engine 3D model

Verification details of the FBX file
FBX file format
Supported object types
No N-gonsManifold geometryNo faceted geometry
Textures and Materials
Required PBR texturesPower of 2 texture sizesNo embed texturesAssigned materialsTexture aspect ratio
UV unwrapped modelNo overlapped UVs per UV island
Allowed characters

The R-4D is a small hypergolic rocket engine, originally designed by Marquardt Corporation for use as a reaction control thruster on vehicles of the Apollo moon program. The engine runs on self-igniting components: monomethylhydrazine and nitrogen tetroxide. The R-4D is a fuel-film cooled engine. Some of the fuel is injected longitudinally down the combustion chamber, where it forms a cooling film. It is rated for up to one hour of continuous thrust, 40,000 seconds total, and 20,000 individual firings.

The model was recreated from photographs and videos from the Internet. A model has been created in the Fusion 360 program.

Item rating
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R-4D Rocket engine
Editorial No Ai License 
R-4D Rocket engine
Editorial No Ai License 
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3D Model formats

Format limitations
  • Autodesk Fusion 360 (.f3d)1.63 MB
  • OBJ (.obj, .mtl)4.25 MB
  • Autodesk FBX (.fbx)1.59 MB
  • Autodesk Inventor (.iam, .ipt)1.81 MB
  • Blender (.blend)5.87 MB

3D Model details

  • Publish date2021-08-26
  • Model ID#3233242
  • Animated
  • Rigged
  • VR / AR / Low-poly
  • PBR
  • Geometry -
  • Polygons 0
  • Vertices 0
  • Textures
  • Materials
  • UV Mapping
  • Unwrapped UVs Unknown
  • Plugins used
  • Ready for 3D Printing