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Rudder bearings |
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andrush
Sub Lieutenant Joined: 02 June 2019 Location: Tallinn Status: Offline Points: 15 |
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Do you mne tou kind of made sleeve from delrin and placed in between bearing and the rudder shaft?
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RichardJ
Sub Lieutenant Joined: 16 August 2020 Location: Hamble Status: Offline Points: 14 |
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Not a sleeve, just a washer placed immediately under the clamp at the top of the rudder shaft. See attached photo.
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andrush
Sub Lieutenant Joined: 02 June 2019 Location: Tallinn Status: Offline Points: 15 |
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Thank you, now clearly understood. In my case this will not work, so Im tryng to figure out how to grow on new sleeve or something to get rid of that sideways shake. There is option to cut of from the top of shaft and lathe exact detail and weld all back together.
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holby
Admiral of the Fleet Joined: 18 February 2006 Location: Isle of Man Status: Offline Points: 2287 |
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I am assuming that the rudder bearing was not made with the rudder shaft close by for continuing to measure the bearing against the shaft.. I would say you perhaps had it made in the as new shaft diameter and not what it had worn down to.. because if you had continually measured and tried the bearing for size then this would not have happened.. unless the bearing has not been made to the correct size …
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Hanse 301, tiller steering, Volvo 2010 (10hp)
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andrush
Sub Lieutenant Joined: 02 June 2019 Location: Tallinn Status: Offline Points: 15 |
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Bearings were ordered as new from Jefa.
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holby
Admiral of the Fleet Joined: 18 February 2006 Location: Isle of Man Status: Offline Points: 2287 |
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Well, to be honest if as you say the shaft is worn where this bearing goes, then I’m not surprised, as I say it needs to be measured and the bearing made to fit.. 🤷♂️🤷♂️ I would suggest you ask for your money back, get some Vesconite tubing , it is far far superior to Delrin, and make it, get a top bearing made to fit
Edited by holby - 17 August 2022 at 21:31 |
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Hanse 301, tiller steering, Volvo 2010 (10hp)
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holby
Admiral of the Fleet Joined: 18 February 2006 Location: Isle of Man Status: Offline Points: 2287 |
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Have you spoken to Jafa and are you getting a new one made if so if Jada are going to make you another, measure the shat wher it is contact with the top of the bearing and the bottom of the bearing.. And get machined to those measurements.. so it’s a tanker if you will .. but it’s really better if you have the shaft with you when machining the bearing
Good luck 👍👍
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Hanse 301, tiller steering, Volvo 2010 (10hp)
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andrush
Sub Lieutenant Joined: 02 June 2019 Location: Tallinn Status: Offline Points: 15 |
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Yes Holby, thank you. I got super good support from Jefa and they suggested to put sleeve on top and send new bigger bearing. Also, finally after seeing my old “bearings” I now in full understand what you meant. I didn’t expect that old ones weren’t literally bearings.
I hope good people at Jefa don’t mind me sharing this instruction, it is exactly how I’m going to install and might be useful for someone in future.
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holby
Admiral of the Fleet Joined: 18 February 2006 Location: Isle of Man Status: Offline Points: 2287 |
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If you put a hard metal bearing in then I feel you will be adding issues further on..
i would suggest sticking with polymer bushes as that is how it was designed… For me Delrin material I do not think is the right material as vesconite has since been developed and is easy to work with.. I do not have any financial link with vesconite.. here is their website that shows their material.. If you go back further on here you will see photos of the bushes I made and if I can make them then I’m sure anybody can.. but what ever way you go go lunch and enjoy.. I am still concerned that you are buying a bearing of the shelf.. as the wear on the shaft is so variable.. but 🤷♂️🤷♂️ Edited by holby - 12 September 2022 at 11:19 |
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Hanse 301, tiller steering, Volvo 2010 (10hp)
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holby
Admiral of the Fleet Joined: 18 February 2006 Location: Isle of Man Status: Offline Points: 2287 |
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Just been told that my story has been selected as story of the month by Vesconite.. this material is now being used on rudder bushes for large container ships, large pumping stations even down now on JCB’s
It far out weighs, I think, Delrin, as to be honest I do not think I will need to fit any more rudder beating on my 301
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Hanse 301, tiller steering, Volvo 2010 (10hp)
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