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12 January 2023, 22:13
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#21
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Member
Country: UK - England
Town: Fareham
Make: Avon Adventure
Length: 5m +
Engine: Merc 90
Join Date: Aug 2009
Posts: 141
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Quote:
Originally Posted by Maximus
10 yrs one trailer 1000's 0f miles 100's of launches and recoverys
Just One set! ![smilie](https://www.rib.net/forum/images/smilies/smile.gif)
....(had real problems like most with tapered and none sealed stuff in the past)
Sealed! 100%!!no argument!
Oh....and Grease Packed "bearing savers" too ![thumbs up](https://www.rib.net/forum/images/smilies/thumbs.gif)
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Thanks for your reply.
I saw your comment regarding sealed bearings and using bearing savers.
Surely won’t sealed bearings be sealed and not able to take on additional grease?
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13 January 2023, 03:29
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#22
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Member
Country: USA
Town: NorCal
Boat name: SHARKY
Make: AB
Length: 4m +
Engine: Honda BF75 & BF5
Join Date: Dec 2009
Posts: 2,053
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The only way to get grease into a sealed bearing is to carefully remove the seal from the outboard side and use a needle type grease fitting, and pump grease in between the bearings. I do that often with smaller sealed bearings, and mid sized machinery bearings, but I wouldn't do it with a vehicle wheel bearing.
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13 January 2023, 10:16
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#23
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,109
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Quote:
Originally Posted by martin33100
Thanks for your reply.
I saw your comment regarding sealed bearings and using bearing savers.
Surely won’t sealed bearings be sealed and not able to take on additional grease?
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The grease won’t get into the bearings, but it will fill the voids around the bearings & stop water from getting into the hub.
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4: Don't feed the troll
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15 January 2023, 19:46
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#24
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Member
Country: UK - England
Town: London/Oxford
Make: Ribcrafts
Length: 5m +
Engine: 150hp/2x115hp
MMSI: 235090215
Join Date: Oct 2002
Posts: 2,247
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Quote:
Originally Posted by martin33100
Hi, how did you find your Degraaff trailer?.
I have just been offered an ex display double axle one with £1000 discount, it’s basically new but the boat yard have moved a couple of boats with it.
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It wasn't bad but just doesn't look as "beefy" as the new Indespension one. I recently spoke to somebody who uses them commercially but he did say they are fine as long as you move them on fairly frequently.
Chris
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15 January 2023, 21:16
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#25
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Member
Country: UK - England
Town: Fareham
Make: Avon Adventure
Length: 5m +
Engine: Merc 90
Join Date: Aug 2009
Posts: 141
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Quote:
Originally Posted by CJL
It wasn't bad but just doesn't look as "beefy" as the new Indespension one. I recently spoke to somebody who uses them commercially but he did say they are fine as long as you move them on fairly frequently.
Chris
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Thanks for the reply, I am tempted to go any buy an Extreme trailer to be honest.
I live in Southampon where they are actually made so at least I can get bits locally if needed.
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18 January 2023, 20:44
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#26
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Member
Country: UK - England
Town: North Lincolnshire
Boat name: Mary Olwen
Make: Humber
Length: 6m +
Engine: OB, Petrol, 140HP
Join Date: Mar 2007
Posts: 151
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The original set of sealed bearings on my Bramber single (Alko) axle trailer lasted 9 years. Subsequent sets lasted 3-4 years until tinworm got the better of the pressed steel, hollow drop arms.
I replaced it with a new axle running Knott brakes and hubs. I prefer the brake arrangements (much easier to adjust than Alko!!!) and the drop arms are solid.
I've seen far more issues with taper roller bearings, but this is almost always due to poor or infrequent maintenance.
I'm also an advocate of hub flushing kits which REALLY helps prolong the life of brake components.
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18 January 2023, 22:21
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#27
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Member
Country: UK - England
Town: Fareham
Make: Avon Adventure
Length: 5m +
Engine: Merc 90
Join Date: Aug 2009
Posts: 141
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Quote:
Originally Posted by Dry_Doc
The original set of sealed bearings on my Bramber single (Alko) axle trailer lasted 9 years. Subsequent sets lasted 3-4 years until tinworm got the better of the pressed steel, hollow drop arms.
I replaced it with a new axle running Knott brakes and hubs. I prefer the brake arrangements (much easier to adjust than Alko!!!) and the drop arms are solid.
I've seen far more issues with taper roller bearings, but this is almost always due to poor or infrequent maintenance.
I'm also an advocate of hub flushing kits which REALLY helps prolong the life of brake components.
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Thanks for your reply, Extreme will be adding a flush kit and side steps on my new trailer.
Regarding the hollow arms do you think the water gets inside them?
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18 January 2023, 23:26
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#28
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Member
Country: USA
Town: NorCal
Boat name: SHARKY
Make: AB
Length: 4m +
Engine: Honda BF75 & BF5
Join Date: Dec 2009
Posts: 2,053
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Off topic, but I would recommend side bunks for making it easy to load in less than ideal conditions. I used to have a trailer that had poles with roller pipe and if the bow was between them it was on the trailer. My current boat trailer doesn't have side bunks, but will soon.
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19 January 2023, 19:40
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#29
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Member
Country: UK - England
Town: suffolk
Boat name: not yet
Make: Gemini
Length: 5m +
Engine: Suzuki 140
Join Date: Jan 2015
Posts: 1,293
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Quote:
Originally Posted by martin33100
Thanks for your reply, Extreme will be adding a flush kit and side steps on my new trailer.
Regarding the hollow arms do you think the water gets inside them?
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Definitely allow water in ,they rot from the inside out ,hence they will catch you out ! but not for the first five years ........snipe/rapide/mersea /bramber (colchester) run on uk made knott axles with sealed bearings ,however i did see the hollow arms on a german made knott axle fitted on a Brenderup goods trailer recently so the days of solid knott axles may be numbered ! hope knot !
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19 January 2023, 20:23
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#30
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Member
Country: UK - England
Town: Abersoch
Boat name: vanishing point
Make: phantom, Ribtec
Length: 6m +
Engine: 200hp
Join Date: Nov 2014
Posts: 495
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Suspension arms (hollow) [emoji30]
Sent from my motorola edge 20 lite using RIB Net mobile app
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19 January 2023, 21:32
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#31
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Member
Country: UK - Scotland
Town: Fort William
Make: Ribcraft 585
Length: 5m +
Engine: Yamaha F115
Join Date: Mar 2012
Posts: 2,913
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That’s some serious camber you are running there
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There is a place on this planet for all of Gods creatures.........right next to my tatties and gravy.
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21 January 2023, 06:39
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#32
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Member
Country: UK - England
Town: North Lincolnshire
Boat name: Mary Olwen
Make: Humber
Length: 6m +
Engine: OB, Petrol, 140HP
Join Date: Mar 2007
Posts: 151
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Quote:
Originally Posted by martin33100
Regarding the hollow arms do you think the water gets inside them?
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Yes, they have drain holes in them.
See whiskylee's reply!
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21 January 2023, 23:18
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#33
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Member
Country: UK - England
Boat name: Bluefin
Make: Ribcraft
Length: 5m +
Engine: 150hp
MMSI: Ex Directory
Join Date: Oct 2015
Posts: 347
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Quote:
Originally Posted by martin33100
Hi, I am looking at a new boat and as it’s currently moored I will need to buy a trailer for it.
I have looked into most of the makes available and I will probably get a double axle Degraaff or Extreme.
Degraaff uses tapered bearing on a Knot axle and Extreme uses a sealed plain bearing in a complete assembly on an ALKO axle.
Has anyone had any issues with the ALKO axles?
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My Rapid trailer has a Knott water resistant axle fitted with triple sealed euro bearings (64mm single piece bearing). I use the boat quite a lot and launch / recover about 40 times per year, and the bearings are still original and have so far lasted 4 years.
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22 January 2023, 10:35
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#34
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Member
Country: UK - England
Town: Fareham
Make: Avon Adventure
Length: 5m +
Engine: Merc 90
Join Date: Aug 2009
Posts: 141
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Quote:
Originally Posted by Dry_Doc
Yes, they have drain holes in them.
See whiskylee's reply!
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I wonder if you could spray something like wax oil inside them when they are new?.
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22 January 2023, 20:03
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#35
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Member
Country: UK - Scotland
Town: north ayrshire
Boat name: charlie girl
Make: S/R5.4/regal3760
Length: 10m +
Engine: Suzukidf70 2x6lp 315
Join Date: Jul 2009
Posts: 3,927
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Quote:
Originally Posted by martin33100
I wonder if you could spray something like wax oil inside them when they are new?.
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Or you could just go for a Knott axle with solid drop arms & avoid the potential failure altogether
Sent from my SM-G950F using RIB Net mobile app
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22 January 2023, 20:15
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#36
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Member
Country: UK - England
Town: suffolk
Boat name: not yet
Make: Gemini
Length: 5m +
Engine: Suzuki 140
Join Date: Jan 2015
Posts: 1,293
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Quote:
Originally Posted by beamishken
Or you could just go for a Knott axle with solid drop arms & avoid the potential failure altogether
Sent from my SM-G950F using RIB Net mobile app
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27 January 2023, 10:15
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#37
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Member
Country: UK - England
Town: Fareham
Make: Avon Adventure
Length: 5m +
Engine: Merc 90
Join Date: Aug 2009
Posts: 141
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I have just ordered my new trailer and the Alko axle now has solid swing arms, I did take a picture but for some reason it won’t let me upload it.
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