How to grease rudder bearing on Colvic Watson Jura 35?

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Graham Pearson

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Hoping someone will be able to tell me how to free up my essentially seized-up rudder.

Builders info states; "bearings are grease lubricated ferro-bestos running on stainless steel bushes shrunk onto the rudder stock".

Problem is that the greasing point is a nut with a tapered round hole. There is no nipple, nor has the nipple broken off as hole (approx. 5-6 mm) is smooth (no thread). So what kind of grease gun fitting can be used to inject the grease and if there is no nipple how can you obtain the pressure to disseminate the grease in the tube?

Boat has been on the dry 3 years, could it be that lack of immersion has caused whatever seal is used to prevent water ingress into the tube to dry out or shrink thereby somehow interfering with the bearing?

Very grateful for any help offered.
 
Hi Graham

If you can e-mail me I can put you intouch with the owner of one of the Veracity 35 class which is built almost mechanically the same, alternativly put a post on the group site to contact the owners of the two Jura class Tegwynt or the Isle of Jura as sorry I have lost their e-mail address.
I also have the contact details of the guy who sold her first and has sailed her.

Mike
 
Some nipples used to be a hammer fit into a smooth hole, but the nipple pops out at the most in-opportune moments, Thead the hole and fit a permanent greaser, you can get a bit of pressure up to push out the old dry grease then. Mine had a cup system as did the stern tube
 
Ferrobestos has been replaced and improved on by materials such as Aquarius which does not require greasing (you can use grease if you like for which there is a grade that has better thermal conductivity), Ferrobestos contains asbestos and an alternative was needed when the problems of asbestos were discovered. Since those days materials have improved a little and now contain dry running lubricants.
 
Lazy Kipper said:
I'd like to know the answer as I've got a Veracity 35 and it's developed a small rumble in the rudder.
Click to expand...

Your 'rumble' will get worse, sounds like the bottom bush has worn in the skeg, if ashore, and you can move the rudder forward/back look at any signs of movement in the bottom bush, the rudder should just turn with no lateral movement in the bush!

Also check the rudder stock upper section at the same time, surprising how many times rudder nuts/bolts can come loose.

Also it will not be the first rudder to 'Rumble' when the real cause has been a loose rudder anode!

Mike
 
Grajan said:
Phone Silvers at Rosneath they should be able to give you all the info you require
Ask for Duncan!
Graham g
Click to expand...

Hi Graham

Silvers Marine did not build the two Colvic Watson Veracity 35 class as they were built by Aberdour Marine in Fife in 1977 who also closed in the same year.

Silvers Marine also did not build any Colvic Watsons as it was D M Russell Marine Ltd who built the famous Jura Class 35 after the 'original' Silvers went into liquidation in 1970, however, the new Silvers Marine UK Ltd formed in 1983 is a thriving excellant company.

I spent months visiting and working with Silvers Marine UK Ltd going through old Colvic Watson drawings (after we found them in an old sails loft) who were a great help during my 7 years research into the History of the Colvic Watson Motor Sailer. and I will be forever greatfull to them for their courtesy and help.

However I have now put the original poster Graham Pearson intouch with other Jura Class 35 owners.

Mike
 
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