This is a small gas turbine engine for use in radio controlled (RC) model aircraft. The engine was designed and developed by Kurt Schreckling in 1992. It is remarkably simple design that can apparently be created using basic machine shop tools by experienced RC hobbyists using readily available materials.
This is a good PartDesign project for intermediate level users. Although the assembly is quite simple it requires the use of most of the basic workbench tools. My FreeCAD model is based on Schreckling's plans found in his book at https://rclibrary.co.uk/title_details.asp?ID=2515. His book is a good primer for turbojet design theory and RC application with plenty of photos of how to manufacture the engine.
All the bodies were created using only the PartDesign workbench "in context" in one file as is my standard practice for creating these type of assemblies. No assembly workbenches were used, since for my purposes, there is no need for constraints among the bodies. Fasteners were added from the Fastener add-on workbench.
Several screenshots are included with some brief comments for new users that may be interested in the process:
I will place the model on DropBox via PM for anyone that may be interested as long as it is only used for instructional or educational purposes. I have found that trying to recreate someone's model by recreating the model tree step-by-step can be a good alternative to tutorial videos as long as you are familiar with the basic GUI tools.
The version I used is shown below which is behind several revisions currently available, but I found that the latest versions are not yet stable enough for this type of project.
OS: Windows 10
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.17352 (Git)
Build type: Release
Python version: 2.7.14
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.2.0
Locale: English/UnitedStates (en_US)