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The Ideal Rescue Boat
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Topic: The Ideal Rescue Boat
    Posted: 11 Nov 06 at 1:17am
well finally I got to take a look at the RNLI towing bridle setup on an inshore rescue craft. Neat system which transfers the strain of the tow from the stern to a forward position,thereby allowing the RIB to get up on the plane.Handy if you need to tow a super tanker.Crew keeps tension on, and can adjust, length of bridle rope through a figure of eight descender. Tow can be released instantly by letting go of the hand hold on the bridle. Free end of bridle flies out the back door allowing tow rope to slide off bridle.
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Posted: 16 Oct 06 at 11:29pm

following yet another redesigned prop,we the drivers are considering wearing badges showing our individual strikes, a bit like a fighter pilot records his 'kills'.No one injured,just a load of rock hopping! Need to retain some sense of humour to do the job, but are we being a little too flippant

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49erGBR735HSC View Drop Down
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Posts: 1991 		Post Options Post Options   Quote 49erGBR735HSC Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 06 at 10:53am

On some of the boats I've used, the tow ropes have had climbing carribeanas(?..hooks) attached to clip onto a loop on the towing bridal. Saves fiddling about with knots at the back of a rescue boat. If I'm instructing and have a fleet of boats, ie 6 toppers to look after, I can prepare a tow line on-shore with loops at set spaces for painters to be tied on to, reckon 2-3 boat spaces is the distance I've used before (off the top of my head). However, covering a varried fleet, you can't be so specific so unless you can be sure that you are specifically covering a certain fleet like 6 toppers, its pointless preparing a towline that specific.
Dennis Watson 49er GBR735
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Boat Insurance from Noble Marine

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foaminatthedeck View Drop Down
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Posts: 318 		Post Options Post Options   Quote foaminatthedeck Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 06 at 10:30am
The boats I've driven all have towing bridles I just tie on to them using a couple of half hitches (reasonalby quick releace).
Lark 2170
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 06 at 8:38pm
okay I give in. I will have to assume that none of us use towing bridles,and its probably because other options are easier.
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les5269 View Drop Down
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Posts: 1530 		Post Options Post Options   Quote les5269 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 06 at 10:57pm

All our towropes are secured to the rib and we give the end to the crew and tell them to take a turn around the mast and hold onto it. Then if there are any problems they have the choice to let go or hold on. We never tie the towed boat to the rib. If there is no mast you can still tow by taking a turn around the bottom of the forestay or as we did with my 49er put the wing over the side of the rib and hold it there to tow it in.
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Grafham water Sailing Club The greatest inland sailing in the country
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 06 at 10:47pm
sorry Ian99 for highjacking your posting.Cant figure out how to lift a quote...yet.
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 06 at 10:42pm
 An instructor has pointed out to me that Quick release of the tow line gets a mention in the RYA safety boat handbook.So,having dusted off my ancient copy I found the brief sentence ' The knot securing the towline should be capable of quick release.'  pp25 'Securing the towline' ..... or 'make one end of the bridle capable of quick release.'    Am reliably informed that the RNLI use a quick release system on their RIBS. A crewman holds onto the towrope through a 'descender' 

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Phat Bouy View Drop Down
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Posts: 168 		Post Options Post Options   Quote Phat Bouy Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 06 at 10:21pm
Hmmmm .........................................................

We do seem to be going round and around and around ...................... beginning to suspect a TROLL here.  

Best boat (as in title of the thread)? What ever does the job .............. with whoever is willing to rock up and give it a go!!
Je suis Marxiste - tendance Groucho
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michel View Drop Down
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Posts: 27 		Post Options Post Options   Quote michel Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 06 at 10:16pm
Originally posted by Ian99

Originally posted by michel

Still trying to find out HOW to use the towing bridle.Internet search produced bridle details and diagrams ,but I am unable to find anything regarding the practicality of using one. No way am I tying off the tow rope on the bridle ring.I may well want to cast that tow off urgently.So how do I secure the tow rope onto the ring NOT THE BOAT in such a way that i can disengage instantly without first stopping the boat ?

Why do you want to be able to release the tow rope from the towing boat whilst driving along? I can't see how this would ever be helpful - all it would result in would be the towed boat drifting over a load of loose rope and getting it caught round its rudder. You also end up losing your tow rope. The non secured end of the towline would normally be on the boat being towed, which then once released the rope doesn't get knotted up in anything as the water holds it out straight. Most towlines on bridles I have ever seen have a large carabina spliced onto one end. This then clips onto directly onto the bridle. This is "quick release" enough to deal with problems like getting the towed boat caught round mooring buoys or it capsizing, where the first thing you do is stop anyway.

If you really want an "in emergency pull cord" solution to detach the towline whilst moving along, it can only really be done when the towline is attached within the boat, anything on the bridle increases the risk of a loose end of rope becoming caught round the prop. A safety boat I used to use (18 foot dory) had a 3 foot high 4 inch square section metal post mounted directly in the centre of the boat from its previous life as a boat used to tow parascenders. This was ideal for towing boats as it had been mounted in such a position as to not affect the steering - after all, towing a parachute with someone hanging off it at 30 knots is significantly more critical and difficult than towing a small dinghy at 5 knots!
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