Rotor-Ruder
Jastram GmbH & Co. KG rotor rudder — steering auxiliary running rudder for manoeuvrability at low speeds.
Components & Design
Component data being added…
Technical Data
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
Inspect surface roughness, surface cracks, material loss at blade edges; perform metallography if material fatigue suspected
Check sealing system and bearings for seawater corrosion; oil samples for water/wear particles; assess wear rate cumulatively
Inspect welds for cracks; check foundation bolting for looseness; deformations from vibration or impact
Measure 180° rotation time (should be ~6-8 seconds); check hydraulic lines for leaks; check valve wear in rotating joints
Measure flank clearance in pinion pairing; check tooth form and contact pattern; analyse gearbox oil colour and wear magnetite
Type-general inspection and maintenance points for this equipment category — not model-specific.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documentsCases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →