Reply
 
Thread Tools Search this Thread
 
Old 06 June 2010, 07:45   #11
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
This is my usual launch site so you can see why care is required with the throttle
Attached Thumbnails
Click image for larger version

Name:	P4190044 (Medium).JPG
Views:	160
Size:	91.2 KB
ID:	51685  
__________________

__________________
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 06 June 2010, 08:31   #12
Member
 
Hightower's Avatar
 
Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,855
Some of the stones at mine are pretty big, but not in those numbers
__________________

__________________
Andy

Looks Slow but is Fast
Member of the ebay Blue RIB cover club.
Hightower is offline   Reply With Quote
Old 06 June 2010, 08:59   #13
Member
 
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,841
I've been powering up the trailer for years and not damaged a thing. If you gauge the gradient and state of the slip and trim up accordingly, you're not gonna go wrong. You only need enough leg in the water to maintain cooling.

If it's a dog of a slip with steps and holes in it, winch it on.
__________________
Mollers is offline   Reply With Quote
Old 06 June 2010, 13:02   #14
Member
 
Simon B's Avatar
 
Country: UK - England
Town: Leicester
Boat name: Vixen
Make: Ribcraft
Length: 6m +
Engine: Suzuki OB 175
MMSI: 235071839
Join Date: Jun 2004
Posts: 1,621
Hightower, are you sure havent caught the bottom somewhere else? or possibly did you use a shallow slip that put your skeg and prop closer to the bottom when the bow engaged onto the first set of rollers then began to lift thus pushing stern down?

We recovered from Eyemouth harbour slip its so steep you drift the bow up to the snubber then the boat settles onto the trailer when you pull it out.
__________________
New boat is here, very happy!
Simon
www.luec.org
Simon B is offline   Reply With Quote
Old 06 June 2010, 15:33   #15
Member
 
Hightower's Avatar
 
Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,855
Quote:
Originally Posted by Simon B View Post
Hightower, are you sure havent caught the bottom somewhere else? or possibly did you use a shallow slip that put your skeg and prop closer to the bottom when the bow engaged onto the first set of rollers then began to lift thus pushing stern down?

We recovered from Eyemouth harbour slip its so steep you drift the bow up to the snubber then the boat settles onto the trailer when you pull it out.

I'm positive I haven't caught it on anything else. I haven't hit a prop on anything for over 20 years. It was definatly the recovery that caused this.
__________________
Andy

Looks Slow but is Fast
Member of the ebay Blue RIB cover club.
Hightower is offline   Reply With Quote
Old 06 June 2010, 16:43   #16
Member
 
Country: UK - England
Boat name: The mystery machine
Make: zodiac pro 550 open
Length: 5m +
Engine: 90hp johnston
MMSI: 235074837
Join Date: Feb 2010
Posts: 24
Quote:
Originally Posted by Hightower View Post
Just some advice needed when powering my RIB on to my trailer.

I've recently changed my technique in launching and recovering my RIB and done this the last 4 times I've gone out. When I returned home on Thursday I noticed some damage to the prop where a stone or something had been sucked up and put some tiny dings in the leading part of the blade and a ding in the skeg too. When I recovered yesterday I was very particular in making sure I trimmed out as to give the prop maximum clearance. After recovery I noticed further evidence of damage, not as bad as before, but I'm now considering manually recovering again.

Has anyone else had problems like this, and did you manage to modify your technique so this didn't happen or revert back to manual recovery?
I have never had and problems when recovering the boat, have been driving the boat onto the trailer for a while now. it may have been due to the prop being very close to the bottom, trimming the engine up will reduce the chances of damage. But i am aware that even at the engines highest point of trim, it may still not be high enough.
__________________
Adam Brimage is offline   Reply With Quote
Old 24 June 2010, 12:20   #17
Member
 
Country: UK - Scotland
Town: Inverness
Boat name: none
Make: none
Length: 5m +
Engine: none
MMSI: none
Join Date: Mar 2007
Posts: 1,908
I started powering on some time ago and had no problems, actually solo its quicker and easier.
Had a little problem last week though where a car windscreen rubber obviously slightly floating was caught round the prop as I recovered, drew in and the small rocks attached to it destroyed al the leading edges of the prop.
The prop is repiarable but not useable so will need replaced/repaired. had plenty of good recoveries so not sure whether to chalk this one up to bad luck or just go back to winching.
__________________
BruceB is offline   Reply With Quote
Old 24 June 2010, 13:33   #18
Member
 
Country: UK - England
Town: Southampton
Boat name: Tornado
Make: Ribcraft
Length: 7m +
Engine: 250hp Suzuki
Join Date: Feb 2010
Posts: 133
Don't you find the more you trim up the more it just pushes the stern down ? seems to me if the slip isn't steep enough you just have to winch it on
__________________
sarahscottiedog is offline   Reply With Quote
Old 24 June 2010, 14:25   #19
Member
 
Hightower's Avatar
 
Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,855
Quote:
Originally Posted by sarahscottiedog View Post
Don't you find the more you trim up the more it just pushes the stern down ? seems to me if the slip isn't steep enough you just have to winch it on
Thing is, when you start to push on to the trailer the stern is in plenty of water as the boat is at an angle to the trailer. When the boat is fully on the trailer, the prop distance to the slip/sea bed is reduced to whatever hight your RIB sits on the trailer.

Obviously if you trim up too much then you lose traction but trimmed out to the point of just getting enough traction doesn't seem to push my stern down at all, in actual fact it helps to push the bow up and on to the trailer.

I've now changed my technique to powering off during launching and winching back on. However when I use a concrete slip again I will defiantly power back on.
__________________
Andy

Looks Slow but is Fast
Member of the ebay Blue RIB cover club.
Hightower is offline   Reply With Quote
Old 24 June 2010, 15:50   #20
Member
 
Country: UK - England
Town: Southampton
Boat name: Hypercat
Make: Ringcat
Length: 7m +
Engine: Merc 300
Join Date: May 2005
Posts: 286
Most trailers on the market are designed to have the boat winched onto them.

The better quality trailers with out center rollers are much better- the problem with centre rollers is that the boat if it is being powered onto the trailer can come off the rollers and damage the boat.

Also a big problem for slipway owners is prop wash undermining the end of the slip.

So I would say by powering the boat onto the trailer you are risking damaging your boat, prop or trailer and also being antisocial in destroying the end of the slipway
__________________

__________________
Trailer Bloke is offline   Reply With Quote
Reply

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 05:37.


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