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Kramer Propellers specializes in repair, modification and sales of all types of propellers for both pleasure- and commercial craft.

Repair, modification and pitch change are conducted by using the MRI. This Recording Instrument measurements we are unique. We are the first company in Europe, using  this MRI 3D measurement computer. This to provide an optimal, precise and trouble-free propeller. 

This measuring machine will not only measure the pitch but also the pitch distribution, mutual blade height, rake, axial position blade geometry, etc. This enables us to get an insight in how much  the propeller differs from ISO 484 standards. Defects affect not only performance and fuel consumption but also lead to induced vibrations that absorb power and cause damage to the driveline. 

Together with our calculations and the MRI problems are detected and corrected. After grinding each propeller will be balanced and double anti singing edges will be applied.

Please contact us for more information, or send us your specific calculations directly.