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Wheel - loose spokes

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High Time View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote High Time Quote  Post ReplyReply Direct Link To This Post Topic: Wheel - loose spokes
    Posted: 19 November 2016 at 14:24
The spokes of both stainless steel wheels on High Time are loose where they join the central boss with the result that the rim feels loose in your hands and insecure as a 'handhold' when helming, which is a bit disconcerting in rough seas.

I haven't taken the wheel off yet to investigate but I'm assuming it is not just a simple case of tightening a nut on each spoke. 

What solution (e.g. welding) can anyone recommend?
Roger

High Time (415 #038)
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charentebob View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote charentebob Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2016 at 14:32
Suggest you email Stig Jenson at Jefa. He is the Technical Director, very helpful nice guy.

Nigel
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alidal View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote alidal Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2016 at 21:42
Find something here?

ftp://ftp.jefa.com/steering/maintenance_guides/wheel_&_brake/wheel%20without%20POM%20washer.jpg


Strange... The link didnt work? If you go to http://www.jefa.com/steering/steering.htm and go to the FTP-server you should find detailed drawings..


Edited by alidal - 19 November 2016 at 21:46
Hanse 400#655
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High Time View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote High Time Quote  Post ReplyReply Direct Link To This Post Posted: 20 November 2016 at 10:07
Originally posted by alidal alidal wrote:

Find something here?

ftp://ftp.jefa.com/steering/maintenance_guides/wheel_&_brake/wheel%20without%20POM%20washer.jpg


Strange... The link didnt work? If you go to http://www.jefa.com/steering/steering.htm and go to the FTP-server you should find detailed drawings..

Yes, thanks. I had the same problem with the links and solved it the same way.

The photo of the wheel boss with the black plastic cover (POM?) removed was interesting. It looks as though the spokes are welded on the inside. 

My next move will be to remove the wheel and the black plastic cover and have a look for myself. Maybe a good stainless steel welder can fix it?

If I'm not happy with what I find I'll contact Jefa as suggested in post #2.
Roger

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Gordon Harrison View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gordon Harrison Quote  Post ReplyReply Direct Link To This Post Posted: 20 November 2016 at 19:23
I believe the only fix is weld spoke outside hub or you will need to buy a new wheel. I am hoping someone will correct this view.
Gordon
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Jode7 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jode7 Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2016 at 12:32
I had the same problem with one of my wheels. Unfortunately they can not be successfully repaired as the spokes are welded to a stainless steel ring then urethane is poured into the gap between the center hub and the spoke ring. If you try and weld the spoke from the outside you will damage the urethane with the heat. It is a known problem and my wheel was replaced under warranty and the old wheel is now a nice wall hanging behind my bar. I own a stainless steel fabrication company and if it could have been repaired I would have repaired it. Sorry for the bad news.
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Sea-U View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sea-U Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2016 at 12:47
What if you weld on the outside and just let it be with the urethane.
Does it matter if the urethane has been cooked?
 
May be weld all and cook away the urethan? Then pour in something new?


Edited by Sea-U - 28 November 2016 at 12:48
Sea-U is a 370e #532 located SW Norway
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High Time View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote High Time Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2016 at 13:14
I have just removed one of the wheels on High Time and then removed the black plastic (urethane?) 'washers' covering the welds in the centre. The 'washers' are flat both sides and about 4mm thick so I don't think they were 'poured' in. It looks as though they were just pressed in as an interference fit, for cosmetic reasons. They should be OK to refit as they are barely visible when the wheel brake is fitted

Now the welds are exposed on the inside of the boss I can see the problem. I really need to talk to a stainless welding expert now to see whether they can be re-welded on the inside or whether an external weld around each spoke will provide a better long term solution. I suspect the latter will be the answer.


Roger

High Time (415 #038)
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Jode7 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jode7 Quote  Post ReplyReply Direct Link To This Post Posted: 01 December 2016 at 09:48
Hi High Time,
I just went out and dug the centre out of my wheel behind the bar and you are correct it is not poured urethane. It would be hard to get a decent weld where the existing welds are. If it was me I would re tack the existing welds as well as 2 small welds on the outside of the hub on each spoke. The welds should be on each side of the spoke (not the front and back). As you sail you tend to push and pull on the wheel which could cause the spoke to crack on the weld if welded front and back. I have just learned something new.
Thanks John
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High Time View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote High Time Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2016 at 11:52
I've now had one of the wheels re-welded by a local man (RS Welding in Wicormarine boatyard for anyone in the Solent area). He was recommended by a couple of folks on the PBO Forum. 
He re-tacked the broken welds on the inside, leaving enough room to refit the black washers, and completely welded around each spoke on the outside. He's done a very neat job which I'm hoping will now last for the life of the boat. He charged me £60.
Andrew (IMG) is also sending me 2 new black plastic washers FOC to complete the job - another example of good customer service from our local dealer.
Roger

High Time (415 #038)
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