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Old 11 April 2010, 06:04   #11
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you haven't seen the roads here, the road to our house is rough as hell even in a 4x4 (gravel road, no maintenance since it was built 20 odd years ago, surface-wise think dirt track in Africa with potholes six or eight inches deep and rocks sticking up six inches above the surface)
stephen - you've obviously not been back to blighty recently - this is now known as an A-road!

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The bunk trailer simply looks like a much stronger arrangement, and will support the boat better as well.
I don't know if it actually makes much difference but I agree it looks like its better supported. Its also essentially a maintenance free option whereas the rollers will need some tlc to keep them rolling, and eventually / potentially spare parts - which are logistics issue for you.

I'd keep an eye on Martini's trial with the PE slides and consider speccing them instead of carpet?

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Might be worth speccing one without brakes in the 1st place then? Easier to work on and might even be cheaper to buy.
I'm guessing the issue is the boat needs to get from Osprey to the container terminal in the UK.
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Old 11 April 2010, 06:58   #12
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Yes it has to get from Osprey to the port and then in from there to me (50 miles or so).

Don't seem to be any major negatives on the design front then, which is good. Bearing savers plus a flushing attachment were part of the spec I sent off and a couple of years out of a set of bearings will be fine.

The other handy thing is that the bunk versions are cheaper which might become the difference between a GPS72 and a small chartplotter

I half heartedly looked at the PE stuff for my old trailer but inertia got in the way and a can of turtle wax now and again was cheaper and less work
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Old 11 April 2010, 06:58   #13
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On a related matter, what are bearings like to change on "proper" boat trailers? .....how long do the "waterproof" (yeah, right) types typically last and how long does it take to change them? Do I need to order six spare sets with the trailer?
Stephen, Waterproof are NOT they are more Damp Proof !!! We have changed numerous sets and they are really just Caravan Axle's. They are fitted using "One Shot" nuts which are torqued to 210 Nm and the last set we changed 2 weels ago required 8 Ton's to press them out !!!
Personally I would go for a Degraff Trailer Bunks are a no cost option. And they use "Proper Bearings" i.e. Tapered which are freely available from motor factors. And you can strip and GREASE them always a bonus
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Old 11 April 2010, 10:25   #14
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Stephen although I have sealed bearings on my trailer and have yet to sffer a failure (18months of frequent use including immersion) for you it might be worth considering the tapered bearings as you can maintain them whereas the sealed ones are not really that easy to maintain if you dont have the kit to get them out.

I am still not convinced that a twin axle trailer gives you any real benefit.

Dixon Bate Rapide trailer are also worth looking at however they sold up to Mersea Trailers a few months ago and I think most people who had dealt with DB prior to this started looking elswhere becuase Mersea were so shit to deal with. This may have been resolved now.
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Old 11 April 2010, 11:01   #15
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i am sure that sbs will do taper roller bearings aswell as the alco sealed lifetime bearing, Hugh jardon suffered a bearing after less than twelve months
use. sbs replaced it with a new axle, and im sure chriss opted for the taper roller axle. on a different note ive had to sbs trailers and they have been good value for money, well built. my mate is still on the original hubs on a 2005 trailer. If the roads are as bad as you say, i would go for a twin axle, at least if one hub does collapse you have the safety of another wheel to keep you going. enjoy the vm great boat
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Old 11 April 2010, 11:44   #16
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3 wheels being better than 1 in the event of an unplanned wheel shortage was another reason I forgot to mention before

I have a 50 ton VL Churchill press at work so getting old bearings out is not really an issue, but I would prefer taper rollers with adjustment in them if people still make stuff like that these days.

The original quote from Roy was a DB single axle roller so have asked for prices on the twin axle roller, and the SBS twin axle bunk.
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Old 11 April 2010, 11:53   #17
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3 wheels being better than 1 in the event of an unplanned wheel shortage was another reason I forgot to mention before

I have a 50 ton VL Churchill press at work so getting old bearings out is not really an issue, but I would prefer taper rollers with adjustment in them if people still make stuff like that these days.

The original quote from Roy was a DB single axle roller so have asked for prices on the twin axle roller, and the SBS twin axle bunk.
Drop Matt H a PM he has had both DB and SBS trailers and will give you an honest opinion as to which is best.
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Old 13 April 2010, 07:39   #18
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Avonride do a beam axle with good taper roller bearings.
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Old 13 April 2010, 16:47   #19
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given the choice i would go for taper rollers here in the uk, easier to fit, cheaper, and easier to get hold of , press fit bearings are a right pain, and never cheap.
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Old 14 April 2010, 11:47   #20
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Just taken delivery of 6 twin axle trailers from them one std length and five extended ones to 24 feet they are all going under ex RNLI Atlanticīs (21 and 75īs) all equiped with brake fresh water flushing system which I hope will extend lifetime of brakes and bearing.
Hopefully the flushing system doesn't flush the bearings...

Brakes, yes, though I haven't seen a great benefit to the fresh water kit(though to be fair, I dunk the trailer Sat morning, and don't flush the brakes til Sunday night after 3 additional splashings and a 100 mile drive...)

Assuming you have roller bearings, the best things you can do are to keep them greased and allow time for them to cool after arriving at the launch location. And replace them every couple of years or so.

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