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Old 14 September 2018, 00:32   #51
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Country: UK - England
Town: South Yorks
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Make: Ribcraft
Length: 5m +
Engine: DF140a
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Originally Posted by jwalker View Post
Not yet on the water, been v busy. However, we're ready to go, all is ship-shape! Tides are a bit anti-social at the mo so it'll likely be next week for the launch.

The trailer has had a makeover, hubs, brakes, tyres, wheels and lighting, plus adjustment of the axles to get correct balance and reduce the turning radius and adjustment of the cross-beams and rollers to get the boat as low as possible to aid launch and recovery.

Though new bearings had been fitted by the seller, as usual there had been water ingress to the hubs and bearings in its previous life. The design of these parts is simply unsuitable for boat trailer use, largely because plain, unprotected steel is used. There is two critical areas for excluding water, one is the rubbing surface of the rear grease seal and the other is the hub cap with the air bleed hole in it. The hub caps are fairly easily dealt with by replacing them with bearing savers but the grease seal area is normally left to deteriorate, albeit with a bit of grease for protection. The need to constantly check this area bugs me, there's no way to inspect its condition without dismantling and then it's a rust removal exercise to regenerate a satisfactory surface for the seal to rub against. As time goes by it becomes increasingly difficult and this is the situation on this trailer.

A grease seal needs a near perfect surface to work against if it is to do its job well and a steel axle subjected to water is never going to be satisfactory. So, OCD boy set about a solution. The pictures pretty much tell the story. Bronze rings sealed on and replacement double lip seals of a matching diameter. Enjoy...


I like that. Itís something Iíve thought about over the years, but never got around to doing. Nice work
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Old 14 September 2018, 02:27   #52
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Country: UK - England
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Looking good
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