DAMAGING VIBRATIONS AND WAYS TO FIX THEM.

Decision tree to identify vibrations damaging your boat Vibrations are often indicative of a problem with a component of the boat.   Advice When purchasing a new or pre-owned sailboat, it’s essential to enlist the expertise of a skilled surveyor and conduct a sea trial. This ensures detection of any unusual vibrations and provides a […]

IS THE ENGINE VIBRATING IN EXCESS? INTRODUCTION TO VIBRATION ORDERS.

Is the engine vibrating in excess? Introduction to vibration orders. Which are expectable and which not. The operation of an internal combustion engine relies on the rapid pressure pulses generated by the combustion of the air-fuel mixture above the piston. These powerful pulses cause the engine to vibrate. While engine designers strive to minimize these […]

REDUCING NOISE AND VIBRATION ON A YANMAR 2QM15

1980 Sjøman 22 with a Yanmar 2QM15 Engine Ellebogen GTS 55SDD (Ref.120450-06802)+ High density fire retardant Ellebogen Soundproofing Kit SUMMARY OF THE CASE This case involves a 1980 Sjøman 22 with a Yanmar 2QM15 Engine, owned by a young student who imported the boat from Norway to Holland. Despite being full of enthusiasm and determination, […]

ENGINE MOUNT REPLACEMENT. STEP BY STEP VIDEO RECORDED CASE OF A YANMAR 4JH2E

Sailing Yatch Melody: Jeanneau Sun Odyssey 42.1 from 1995. Yanmar 4JH2E. 2 ELLEBOGEN 150 AND 2 ELLEBOGEN 200 (Ref. 08351 and Ref. 08350) Introduction Patrick and Betina, proud parents to three beautiful kids: Norah, Tristan, and Konrad. Tired of the daily grind on land, they decided to take a different path in life. They’re pausing […]

ENGINE MOUNT REPLACEMENT ON THE HARD. CASE OF A YANMAR 4JHE.

Sailing Vessel Scuba Libre: A Jeanneau Sun Legende 41 from 1987 restored by Guillaume and the team of Heremoana. Yanmar 4JHE. ELLEBOGEN ENGINE MOUNT KIT 75-100 (Ref. 08341 and Ref. 08351) Introduction The Heremoana expedition is a scientific and ecological project that aims to explore the world’s seas for two years while minimizing environmental impact […]

2YM15 OPTIMISATION OF VIBRATION ISOLATION AND STABILITY

Sailing Vessel Saxy Jazz: Sail 902 being restored by Michiel van Hartesveldt, using the legendary Yanmar 2YM15 ELLEBOGEN ENGINE MOUNT KIT 75-100 (Ref. 08341 and Ref. 08351) Introduction The owner of the sailboat is Mr. Michiel van Hartesveldt a mechanic who has been working for Cummins engines for more than 17 years, an experienced man […]

CASE STUDY, INFLUENCE OF POSITION AND RADIAL STIFFNESS OF MARINE ENGINE MOUNTS FOR THE OVERALL ISOLATION AND STABILITY OF THE MARINE ENGINE.

Sailing Vessel Perseverance: Oyster 435 being refurbished by Victor Canela (Sistemas Navales) in Barcelona. The Perkins 4.108 with original mounts, first iteration mounts and Ellebogen GTM mounts. Introduction While engine mounts may appear alike, they do not necessarily deliver identical engine performance. The mounts’ design significantly influences the vertical, horizontal, and longitudinal stiffness since the […]

LIFTING THE ENGINE: REVIEW OF POSSIBLE OPTIONS FOR MARINE ENGINE MOUNT REPLACEMENT.

Multiple ways to lift the marine engine at a glance Introduction In order to avoid the tedious process of dismantling numerous components to lift the motor using a halyard or hoist, sailboat owners typically seek innovative solutions to raise it slightly without causing damage to the oil pan. This article will explore various alternatives for […]