Velocity Stack with Internal Spiral – TPU Intake Funnel for Wartburg and More
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Flexible TPU intake funnel with internal spiral, designed for 2-stroke setups like the Wartburg. Printed in TPU 82A.
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Updated at source:
Model information
- Source
- Printables
- Category
- Automotive
- License
- GNU General Public License v3.0
Custom-designed velocity stack / intake funnel for 2-stroke carburetor setups – originally developed for a Wartburg engine.
Printed in flexible TPU 82A for vibration resistance and durability. The internal helical spiral guides airflow and potentially improves mixture atomization and throttle response.
Fits Mikuni-style carburetors (as shown), but dimensions can be adjusted for other setups.
⚠ Printed in TPU to handle vibrations and slight deformation during engine operation – PLA/ABS not recommended unless for mockups or display use.