Development and manufacture of miniature gas turbine systems (JetCat) as well as laboratory equipment and laboratory automation.
Ingenieurbüro CAT, M. Zipperer GmbH
Ballrechten-Dottingen (Wettelbrunner Str. 6, Administration) · Ballrechten-Dottingen (Untermatten 50, Turbine Production Site)New on Amplifa
About JetCat / Ingenieurbüro CAT, M. Zipperer GmbH
Ingenieurbüro CAT, M. Zipperer GmbH, based in Ballrechten-Dottingen, has been developing and manufacturing customized laboratory solutions since 1976, including micro dosing pumps, magnetic stirrers, shakers, dispersers, cell counters and robots for laboratory automation. In 2000, with the JetCat product brand, the development and manufacture of jet turbines for model jet aircraft was added. Today, these miniature gas turbine systems are used not only in model aviation sports, but also in drones, in stationary applications at universities and colleges, and in industrial applications; reference customers include NASA and ATT. All turbines are designed and verified on a 3D-CAD system. Production is carried out in-house: an own CNC machine park (milling and turning machines) produces milled and turned parts as well as toolmaking, plastic parts are made on own injection molding machines, and thin-walled metal parts such as combustion chambers are welded on own laser welding systems. Rotor assemblies and finished engines are dynamically or fine-balanced before every engine undergoes a test run with thrust or torque measurement prior to delivery.
- Site
- Ballrechten-Dottingen
- Processes
- CNC milling (milled parts of all kinds), CNC turning (turned parts of all kinds), Toolmaking, Plastic injection molding, Laser welding of thin-walled metal parts (e.g. combustion chambers), Dynamic balancing of rotor assemblies on precision balancing machines, Fine balancing of fully assembled engines, Engine test run (thrust measurement, torque/power measurement of shaft engines)
- Materials
- Stainless steel, CNC milling, CNC turning, Plastic injection molding, Laser welding, Dynamic balancing / fine balancing
- Certificates
- DIN EN ISO 9001:2015, DIN ISO 13485 (per website), ISO 9001, ISO 13485
- Founded
- 1976 (Inge
- Employees
- ca. 100
- Industries
- Model building / Model aviation sports, Aerospace research, Drones, Universities / Colleges, Industry, Laboratory technology / Laboratory automation
- 01
3D-CAD design and verification
- 02
Toolmaking
- 03
CNC milling and CNC turning
- 04
Plastic injection molding
- 05
Laser welding (e.g. combustion chambers)
- 06
Dynamic balancing of rotor assemblies
- 07
Assembly
- 08
Fine balancing of the fully assembled engine
- 09
Engine test run (thrust/power measurement)
- 10
Sales, service and repair
Materials and Processes
Stainless steel
Used, among other things, for turbine housings.
CNC milling
Flexible manufacturing of milled parts of all kinds on own machine park.
CNC turning
Manufacturing of turned parts of all kinds on own machine park.
Plastic injection molding
Plastic parts are manufactured on own injection molding machines.
Laser welding
Precise welding of thin-walled metal parts such as combustion chambers.
Dynamic balancing / fine balancing
Rotor assemblies and complete engines are balanced on precision balancing machines.
Locations
Ballrechten-Dottingen (Untermatten 50)
DETurbine Production Site
- Materials
- Stainless steel, metals, plastics
- CNC milling and turning machines
- Plastic injection molding machines
- Laser welding systems
- Precision balancing machines
- Test room for engine test runs
Ballrechten-Dottingen (Wettelbrunner Str. 6)
DEAdministration / Billing Address
Components and Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC milling (milled parts of all kinds)Machining | – | – | – | – | Metals |
| CNC turning (turned parts of all kinds)Machining | – | – | – | – | Metals |
| ToolmakingEngineering | – | – | – | – | – |
| Plastic injection moldingPlastics | – | – | – | – | Plastics |
| Laser welding of thin-walled metal parts (e.g. combustion chambers)Joining | – | – | – | – | Metal |
| Dynamic balancing of rotor assemblies on precision balancing machinesTesting | – | – | – | – | – |
| Fine balancing of fully assembled enginesTesting | – | – | – | – | – |
| Engine test run (thrust measurement, torque/power measurement of shaft engines)Testing | – | – | – | – | – |
| 3D-CAD design and verificationEngineering | – | – | – | – | – |
| Manufacture of model aircraft turbines (miniature gas turbine systems)Assembly | – | – | – | – | Stainless steel |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC machine park (milling and turning machines) | – | – | – | – | Ballrechten-Dottingen (Turbine Production Site, Untermatten 50) |
| Plastic injection molding machines | – | – | – | – | Ballrechten-Dottingen |
| Laser welding systems | – | – | – | – | Ballrechten-Dottingen |
| Precision balancing machines (various balancing machines) | – | several | – | – | Ballrechten-Dottingen |
Additional services
Reference customers
Quality
Every engine undergoes a test run with thrust or torque/power measurement in a specially equipped test room before delivery; rotor assemblies and finished engines are dynamically or fine-balanced on several precision balancing machines.
| Evidence | Ballrechten-Dottingen |
|---|---|
| ISO 9001 | |
| ISO 13485 |
History
- 1976
Founding of Ingenieurbüro CAT, M. Zipperer GmbH; customized laboratory solutions.
- 2000
Development and manufacture of model aircraft turbines; introduction of the JetCat product brand.
- 2021
ECU V12 with integrated telemetry adapter and new turbine generations.
- 2025
Renewal of ISO 9001 certification (27.03.2025–14.03.2027) and new PRO turbines P420-PRO-S-R, P650-PRO-S-R, P900-PRO-S-O-R as well as RX-BL Series.