CASE STUDY, IMPROVEMENT OF NOISE AND VIBRATION ON A YANMAR 3YM30

Sailboat: Beneteau first 35S5GT,  moored in Barcelona. 2 ELLEBOGEN 75 (Ref. 128270-08341) and 2 ELLEBOGEN 100 (Ref. 128377-08351)     The aim of this report is to explain the case of who had a Yanmar 3YM30 engine that presented high levels of vibration on a Beneteau first 35S5GT sailboat and the steps that were followed […]

IMPROVING A DIFFICULT ENGINE SETUP : 1GM10 WITH ELLEBOGEN GT S40 MOUNTS

Sailboat: Ecume de mer 75, sailing in the Mediterranean near to Barcelona USING 4 UNITS OF THE ELLEBOGEN GT-S40 (120450-06201) Important: Ellebogen GTS40 mounts although they work well on the 1GM10 series, they are not a dimensionally direct replacement of the original OEM mount. The dimensions are different and they will require redrilling the engine […]

WHEN AND WHY SHOULD MARINE ENGINE MOUNTS BE REPLACED?

The main goal of the marine engine mounts is to isolate the vibration generated by the engine and to absorb shocks / vibration when the vessel is cruising. The elastic properties of the marine engine mounts are essential to the prevention of engine damage and to improve the comfort of the boat’s passengers. Must these products be […]

ENGINE BED FLATNESS AND CORRECT PROCESS FOR ALIGNMENT

SOME ADVICE ON THE ENGINE BED CONSTRUCTION. Engine beds are a critical element on for the stability and vibration level of the engine.When determining the engine bed dimensions, full consideration must be given to the stress caused by the propeller’s propulsion and reaction force, the engine’s torque and boat cruising. It is interesting to have […]

CORRECTING PROPSHAFT OFFSET USING THE SLOTTED HOLES OF THE ENGINE MOUNTS

Picture of a propeller shaft directly fixed to the transmission. Sailboat: Jeanneau Sun Odyssey 40.3 2006. Moored in Port Campello, Alicante (Spain), Yanmar 4JH4E,  2 ELLEBOGEN 150 (Ref. 121370-08351) and 2 ELLEBOGEN 200 (Ref. 129470-08350) Propeller shaft is fixed to the marine engine transmission. For obvious reasons, we are interested in the fixation being straight, […]

YANMAR 2GM20. VIDEO RECORDED REPLACEMENT REPORT BY BRICOLAJE NAUTICO YOUTUBE CHANNEL

Sailboat: Jeanneau Sun Odyssey 29.2, moored in Port Masnou Marina (Barcelona) 2 ELLEBOGEN 75 (Ref. 128270-08341) and 2 ELLEBOGEN 100 (Ref. 128377-08351) Sergi and Montse are the owners of the Jalapenyu Sailing boat and run their own Youtube channel called “Bricolaje nautico” (Nautical DIY).  Sergi is an automotive mechanic at his own company. His wife […]

ENGINE BRACKET FLATNESS INFLUENCE ON VIBRATION ISOLATION

Deformed Engine bracket (left). Engine mount conically inclined (right). Information about the correct installation of flexible engine mounts in marine engines. The flexible engine mounts in marine engines act as springs. They have to work without conical, torsional or twist pre-stress. The hole of the engine brackets and stud of the flexible engine mount should […]

YANMAR 2GM20 ENGINE MOUNT REPLACEMENT

Vessel: Jeanneau Sunlight 30 1989, in the Marina of Figueira da Foz , Lisbon Portugal. 2 ELLEBOGEN 75 (RĂ©f. 128270-08341) et 2 ELLEBOGEN 100 (RĂ©f. 128377-08351) The main mission of a boat’s engine mounts is to secure the engine seat by isolating the vibrations generated by the engine itself and absorb any shock and vibration […]