Reply
 
Thread Tools Search this Thread
 
Old 23 April 2015, 09:15   #11
Member
 
Country: UK - England
Town: Southampton
Make: Ballistic
Length: 7m +
Engine: Yam 225
Join Date: Jun 2010
Posts: 977
Quote:
Originally Posted by dubrus View Post
good question!
i always assumed (dangerous) that they were designed to pull the boat onto the trailer from the ground. i.e they should be able to take the weight
The trailer will be lighter than the boat, so if you are winching from the ground i would always take the trailer off the boat and allow the trailer to be pulled under the boat rather than the boat onto the trailer.
__________________

__________________
Starovich is online now   Reply With Quote
Old 23 April 2015, 09:54   #12
Member
 
dubrus's Avatar
 
Country: UK - Scotland
Town: Glasgow
Make: Ribcraft 6.8
Length: 6m +
Engine: Suzuki df200
Join Date: Jun 2010
Posts: 2,089
Also start the day skint!!! 35 quid for 1 medium ratchet strap

Edit, half the wedge for anyone considering.

http://www.ebay.co.uk/itm/6m-x-35mm-...-/360586997787

Cheers
__________________

__________________
dubrus is online now   Reply With Quote
Old 23 April 2015, 10:43   #13
RIBnet supporter
 
mick's Avatar
 
Country: UK - England
Town: Wakefield
Boat name: Bouncer
Make: Redbay Stormforce
Length: 6m +
Engine: 2x Honda 90Hp
MMSI: 235025718
Join Date: Jun 2009
Posts: 3,984
Quote:
Originally Posted by Searider View Post
Can I suggest stainless steel ratchet straps. Your day can then start with out rusty hands!

I have a customer who supplies them - he's also got his own RIB although I don't think he posts on here.

Buy Stainless Lifting Slings and Ratchets at www.rapidmarine.co.uk

How much 😳 I've just got 3 for a lot less than 1 of those blimey 😂
__________________
mick is offline   Reply With Quote
Old 24 April 2015, 17:44   #14
Member
 
Country: UK - Wales
Town: Cardiff
Make: Avon
Length: 3m +
Engine: 2 stroke
Join Date: Aug 2014
Posts: 852
Quote:
Originally Posted by Searider View Post
Can I suggest stainless steel ratchet straps. Your day can then start with out rusty hands!

I have a customer who supplies them - he's also got his own RIB although I don't think he posts on here.

Buy Stainless Lifting Slings and Ratchets at www.rapidmarine.co.uk
Why you take them off before the boat goes near water.......

Personally a couple straps (front and back) from the D ring tot he trailer chassis is ideal, Trailers bounce, as long as the boat bounces with and not off you are fine, the winch is for winching not strapping...strapping over the tubes is a nono!
__________________
HDAV is offline   Reply With Quote
Old 25 April 2015, 03:17   #15
Member
 
Low Flyer's Avatar
 
Country: UK - England
Town: Portsmouth
Boat name: Cinsirrah III
Make: Oceans
Length: 8m +
Engine: Twin D3 160 Diesels
MMSI: 235089712
Join Date: Sep 2011
Posts: 462
Always attach ratchet straps to trailer chassis and not roping hooks,it is a favourite of the man from VOSA. Apparently roping hooks are for ropes....


Sent from my iPad using RIB Net
__________________
Low Flyer is offline   Reply With Quote
Old 25 April 2015, 03:46   #16
Member
 
Country: UK - England
Town: Leicester
Length: 5m +
Engine: 135hp Mercury
Join Date: Sep 2013
Posts: 708
I also put a length of light chain through the boat winching eye & around the winch post.
When launching on steeper slips the chain remains in place until the boat is at the water & when recovering the chain goes on just before driving up the slip- a safety device in case the winch mechanism fails.
__________________
paintman is offline   Reply With Quote
Old 25 April 2015, 05:44   #17
Member
 
spartacus's Avatar
 
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 60hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 3,270
RIBase
No need for stainless steel ratchets in my opinion. It's the strap material that starts to degrade over time anyway. At boat wash-down after a trip to the sea, spray with WD40 or Duck Oil Penetrating Release.

Transom D rings are essential hook points, plus back-up tether point on bow ring.

Winch straps should be renewed every couple of years.
__________________
Is that with or without VAT?
spartacus is offline   Reply With Quote
Old 25 April 2015, 06:19   #18
Member
 
Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,688
The ratchet strap I use on the stern came with the boat, it is now a bit rusty but don't think I would spend a lot of money on a stainless one, a squirt of WD40 once in a while is all that is needed. Critical things for me in keeping the boat on the trailer are:

- Replacing the stupid winch straps with Dyneema rope which is much stronger, unlikely to be damaged, easier to use and generally better in every respect. 25 to safeguard a 30k boat. Not a hard decision!
- Independent rope/chain/strap from the bow eye to the trailer chassis
- Securely strapping the stern down so it doesn't bounce/shift on the trailer
- Making sure the winch is always in good condition, the ratchet etc is properly lubricated so there is no chance of it sticking or slipping

I tow my boat on very rough unsurfaced roads, which is one reason I'm changing the trailer as I'm worried about hull damage on the current one. On the bow eye, what I have is a long 10mm nylon rope (~2000kg break rating) with a big stainless snap hook onto the bow eye, this loops down around the chassis and back up through the eye about 4 times in total and is then tied off to the chassis. I can get it very very tight and there should be no way it will break but I have always wondered about the ultimate strength of the bow eye.
__________________
A Boat is a hole in the water, surrounded by fibreglass, into which you throw money...

Sent from my Computer, using a keyboard and mouse
BogMonster is offline   Reply With Quote
Old 25 April 2015, 06:36   #19
Member
 
The Gurnard's Avatar
 
Country: UK - Scotland
Town: Stirling
Boat name: The Gurnard
Make: Quicksilver
Length: 4m +
Engine: mariner 25hp 2s
Join Date: Jul 2013
Posts: 986
Quote:
Originally Posted by BogMonster View Post
what's the accumulated wisdom on the strength of a bow eye in terms of what it bolts into inside the GRP? I presume they usually have some sort of metal backing plate inside the GRP but I have often wondered about the loads imposed by winding up straps and ropes etc all on to one little eye....

I would imagine it is a poorly designed boat if the eyebolt damages the hull.

On a previous heavy hardshell boat..not RIB or SIB though..twice I was a bit over enthusiastic with the winch attached to the eyebolt..and too lazy to unload the boat before winching onto the road trailer. Ping.. the eye bolt sheers. I imagine a well designed boat will have an eyebolt strength..that acts like a fuse..of couse I cant comment on other boats..only mine..so my thoughts may not be correct for all boats

After the first time it sheered .. I carried a spare eyebolt ..along with the spare trailer wheel bearings
__________________
The Gurnard is offline   Reply With Quote
Old 27 April 2015, 12:15   #20
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
Quote:
Originally Posted by The Gurnard View Post
On a previous heavy hardshell boat..not RIB or SIB though..twice I was a bit over enthusiastic with the winch attached to the eyebolt..and too lazy to unload the boat before winching onto the road trailer. Ping.. the eye bolt sheers. I imagine a well designed boat will have an eyebolt strength..that acts like a fuse..of couse I cant comment on other boats..only mine..so my thoughts may not be correct for all boats

After the first time it sheered .. I carried a spare eyebolt ..along with the spare trailer wheel bearings
Are you talking about the bow eye? When you consider that it's supposed to take the force (snatching and grabbing) of towing the boat on the open ocean, I'm really surprised you'd be able to shear it from winching it from the water. How bad was the replacement (normally the backing is not really accessible)?

They're supposed to be pretty well supported (load bearing plates inside), so assuming a good design, the hull should be pretty solid there.

jky
__________________

__________________
jyasaki is offline   Reply With Quote
Reply

Tags
rib

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 14:00.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.