Real rescue with 26X

A forum for discussing topics relating to MacGregor Powersailor Sailboats
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NiceAft
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Re: Real rescue with 26X

Post by NiceAft »

I have not really been following this thread, so if I am about to repeat what someone else has posted, excuse me.

It seems to me that someone who has a hanked on jib, has to exert onto the halyard a force much greater than three hundred pounds. The wind on that sail exerts pressures far far greater than three hundred pounds. Would not that halyard be strong enough to hold a load that great? Using a winch, and cranking away, might that not work (forgetting about how to latch onto the MOB)?

If not, then never mind. :)

Ray
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yukonbob
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Re: Real rescue with 26X

Post by yukonbob »

The forces exerted on the sail is transfered to the boat via multiple points vs point loading from cranking a person up. The manual says it takes 180lbs to keep the mast down (prob more to get it there; that number would be interesting to know) and specifically says to use the lower shrouds to pull the boat over and not the uppers. My worry would be to much loading on the top of the mast. This would not be a concern with a masthead rig. Couple of slings available for sale that do the job or using the main sheet in line with the topping lift to avoid loading the boom mid span.
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NiceAft
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Re: Real rescue with 26X

Post by NiceAft »

Multiple points comes down to three points on the jib.

Just for the heck if it, I looked up blocks which may or may pertain to the hardware we are inferring to. It strikes me that a weight being hauled up and over the side will not be exerting the lateral forces that is experienced by wind blowing laterally. The weight would be duplicating the similar weight of a person standing in the deck and leaning over. How far from the boat would the MOB be? About the same position of a crewe member, but three feet lower. Can the weight of two heavy adults be counter balanced by a crew member on the opposite side of the boat cranking away on the halyard line? There must be a weak link in my theory. Am I way off here?

Ray

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yukonbob
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Re: Real rescue with 26X

Post by yukonbob »

Yes the jib comes down to three points, the entire length of the forestry (masthead bail and bow) and a sheet when loaded. There is a video of a full keel boat using a water bag off the main halyard to heel the boat to clear a bridge, it has been posted here but is on YouTube. Same principle would apply. As the weight increaes heel increases (considerably less with a Mac). With mast head rigging the entire mast head is supported, not so with a fractionally rigged M (can't remember how the X, S or D are rigged) You'd have considerable lateral load on an unsupported section of upper mast unless as you describe countering the heel with people. The M owners manual very specifically discourages pulling the boat over from the upper shrouds so similar IMO should apply.
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Re: Real rescue with 26X

Post by Ixneigh »

Halyards on small boats aren't terribly loaded. Few hundred pounds at most. With a winch. The actual line and block is rated for much more.
The main Halyard on the M is off limits. The jib Halyard may well bind if the line isnt led fair. Like if the person in the water was aft of the mast. It will bind on the upper shrouds and spreader bars.
Perhaps in the name of science ill experiment with say, 15 gallon water jugs tied together the next time I go out.
Post the results on YouTube may be.
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NiceAft
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Re: Real rescue with 26X

Post by NiceAft »

In the name of science, BE CAREFUL :!: :o

Ray
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yukonbob
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Re: Real rescue with 26X

Post by yukonbob »

1st Sail wrote:
There was an old post here year's ago about an individual that caught a 200+ Halibut on his way to Alaska. He tied a line to the tail and secured to the stern cleat and another line to the head and then winched up the side. He was unable to get the fish in the cock pit and ended using it for rail ballast as he sailed to port. Needless to say that would be a terrible way to secure an individual let alone fail to on board an individual.
Sounds like something I've done, but to clarify don't ever bring a large fish in the cockpit, they can and have killed people before. No joke.
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Re: Real rescue with 26X

Post by K9Kampers »

NiceAft wrote:Two posts of the golf joke, and I still don't get it :| :? :D
And nope, I'm not a golfer. :D
Ray
I asked a golfer and she don't get it either.

What I think the joke means is that despite the idyllic situation of being out there on a MacGregor, there are drawbacks of being out there on a MacGregor.
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Re: Real rescue with 26X

Post by K9Kampers »

While Xmas ing in Mystic CT, I learned a bit about the whaling ship Charles W Morgan. The easiest way to bring aboard a creature of substantial size is to do it in pieces! Anyhoo...

An alternative to the high freeboard issue, for those of us who tow a dinghy, is to consider the low freeboard advantage of MOB recovery into th eye dinghy.
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Re: Real rescue with 26X

Post by 1st Sail »

My apologies for the bad golf joke. The sorry but serious golfers didn't let anything interrupt their game thus hit the ball and drag poor Fred to the 18th hole. Regarding the Mac captains comments about the 200+ lb Halibut. I don't believe they intended to board the fish. However I recall they really struggled to find a way to secure the fish to the boat keeping it clear of the water for transport vs dragging it behind for perhaps another predator. That said safely securing, and boarding an unconscious, injured, or hypothermic MOB may be impossible.

Several years ago we were sailing Saylorville, IA reservoir mid-April. Water temp was in the high 40's. We were on our last run to the ramp and in the process of taking down the sails. We heard a faint call for help. Then my son spotted a floating gas can, and further ahead a life vest. It was close to sunset so distance vision was limited. Next we see a police cruiser lights flashing coming down the ramp road. Then soon followed by an ambulance. Finally we spotted two people in the water dead ahead 600yds. We powered up and headed toward the individuals waving for help. Fortunately for us there was a deck boat that was also on approach and spotted the two individuals. With their speed they reached the individual before us. Keep in mind this particular boat had a swim/boarding platform in the bow. One individual was approx 5'8" 160lbs. They managed to pull him aboard. The second individual was 280lbs+ and totally hypothermic. The three adults on board absolutely could not lift him the out of the water and over the shallow bow approx 24in. above the water line. They held the guy by the shoulders at the bow and powered him the remaining 2-300yrds to the ramp.

I knew they rescued two individuals but was in total shock when we got ashore. The deck boat captain didn't motor to the shore, instead he totally cracked the throttle, raising the bow up like a hole shot. While standing on the dock the deck boat crew told me they couldn't board the big guy since he was totally hypothermic and couldn't move his arms or legs. How they managed to keep him secured and not drag him under the boat is beyond me. I never imagined they were unable to board the guy when they powered up. My son and son-in-law were equally stunned. All the way home we just kept saying we were thankful for the successful rescue and they didn't run over the anyone.

Thus the stupid golf joke about dragging Fred and the struggle to lift a 200lb+ dead halibut above the water line. I don't think there is any possible way to lift a physically impaired MOB back on board a Mac without mechanical assistance. Two adult men struggling to pull another adult male 200+ leaning over the cockpit combing in a rolling sea. 600-700lbs ballast hanging over the side while the boat rolls. Who knows maybe the rail will be low enough to the water line you could slide the MOB over the side. Further discussion regarding a safe mechanically assisted solution is warranted.
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NiceAft
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Re: Real rescue with 26X

Post by NiceAft »

1st Sail, good post.Image

K9 Campers said;.........
do it in pieces
Image

Ray
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Re: Real rescue with 26X

Post by Starscream »

NiceAft wrote:1st Sail, good post.Image
What he said.


I think that it is IMPOSSIBLE for anyone to get an unconscious MOB back on an X, and REALLY hard for anyone to get a conscious and mobile MOB back in anything other than calm conditions where the MOB could use the ladder independently, and not get knocked out by a heaving and pitching outboard motor.

Interesting ideas on different ways to use the boom and winches, but I think these only work in flat calm conditions where the captain could position the boat with perfect precision, and even then I have my doubts about the strength of the rig...winches, boom, mast: Attaching and lifting 200 lbs at the end of the boom in windy and wavy conditions? Not gonna happen, methinks, and 1st Sail's story shows why. Maybe even if the MOB were somehow attached to a rig at the end of the boom, once any weight was put on the winching system the boat would heel over, and then the wind and the waves would toss the boat around and the end of the boom would thrash the victim into a bloody pulp.

If you are out in conditions where survivability in the water is questionable then the only solution is prevention. The thinking-effort is better spent on systems that keep people on board. Lines led to the cockpit. Single line reefing. Lifelines and harnesses. Training. Cold water survival gear. We simply can't afford to have anyone go overboard.
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Re: Real rescue with 26X

Post by Highlander »

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Herschel
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Re: Real rescue with 26X

Post by Herschel »

Starscream wrote:
NiceAft wrote:1st Sail, good post.Image
What he said.


I think that it is IMPOSSIBLE for anyone to get an unconscious MOB back on an X, and REALLY hard for anyone to get a conscious and mobile MOB back in anything other than calm conditions where the MOB could use the ladder independently, and not get knocked out by a heaving and pitching outboard motor.

Interesting ideas on different ways to use the boom and winches, but I think these only work in flat calm conditions where the captain could position the boat with perfect precision, and even then I have my doubts about the strength of the rig...winches, boom, mast: Attaching and lifting 200 lbs at the end of the boom in windy and wavy conditions? Not gonna happen, methinks, and 1st Sail's story shows why. Maybe even if the MOB were somehow attached to a rig at the end of the boom, once any weight was put on the winching system the boat would heel over, and then the wind and the waves would toss the boat around and the end of the boom would thrash the victim into a bloody pulp.

If you are out in conditions where survivability in the water is questionable then the only solution is prevention. The thinking-effort is better spent on systems that keep people on board. Lines led to the cockpit. Single line reefing. Lifelines and harnesses. Training. Cold water survival gear. We simply can't afford to have anyone go overboard.
I appreciate the need to focus on prevention, and we should put most of our energy and effort there, but, if ever confronted with an actual immobilized MOB, I will attempt the use of the mainsail, unhanked from the mast on the luff, but still attached along the boom, to slip under the MOB and attempt to winch him up far enough to get out of the water. (I would try to get the boom crutch under the boom so it would stay stationary and the force of weight was acting along the midline of the boat.) It is not necessary to get the person on board, if we can get him out of the water. (Assuming no airway obstruction and breathing is normal) It might even be best not to try. If there is a spinal or neck injury, movement as little as possible along with immobilization is needed. Wrapped in the "cocoon" of the mainsail, snugged up to the side of the boat, while we make all possible speed to rendezvous with professional help, seems like it would be worth a try. Blankets and towels or extra clothing can be placed over the MOB wrapped in the sail to help with hyperthermia, if indicated. If the sail has to be replaced, or parts of rigging repaired, it seems like a small price to pay for making the effort to save a life. You do what you can with what you've got. With due regard for not putting additional people at risk. I am not a paramedic, but I did stay in a Holiday Inn Express not long ago! :P Seriously, I did train with paramedics in a 4th Marine Field Hospital Unit in the Naval Reserve for 3 years in the mid 80's and early '90's. We were trained to improvise. And, make the effort.
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NiceAft
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Re: Real rescue with 26X

Post by NiceAft »

Herschel,

I agree with the concept of improvise, try something, and that's just what I would do, but, if you are placed into this situation (and I don't wish to sound cynical), don't be surprised if you are sued. We live in a very litigious world.

Ray
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