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Author Topic: Winch Rigging and Anchor loads  (Read 12781 times)

Offline Rob

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Re: Winch Rigging and Anchor loads
« Reply #15 on: December 12, 2022, 06:18:10 PM »
The 12 tons would include whatever safety margine you build in....
_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

Offline ghosthunter

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Re: Winch Rigging and Anchor loads
« Reply #16 on: December 12, 2022, 07:14:44 PM »
Good feedback and anecdotes.

So when looking for anchor material, do you buy for working load or max breaking load?

As in, a snatch block may have a 10 ton working load limit and a 15 ton max breaking load.  If you need, say 12 tons for an extraction, would this block work?  I am assuming not.

It’s possible I think. But I would add another block. A block working load should equal the load.Add a second block and you are covered as I see it.  :dunno: That’s what I would do.
GHOST CAMP "We Came To Hunt"
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We are all traveling from Birth to the Packing House. ( Broken Trail)

“I f he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.” ― Theodore Roosevelt

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Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #17 on: December 12, 2022, 07:19:14 PM »
Good feedback and anecdotes.

So when looking for anchor material, do you buy for working load or max breaking load?

As in, a snatch block may have a 10 ton working load limit and a 15 ton max breaking load.  If you need, say 12 tons for an extraction, would this block work?  I am assuming not.

It’s possible I think. But I would add another block. A block working load should equal the load.Add a second block and you are covered as I see it.  :dunno: That’s what I would do.
Don't ask what I would do. :chuckle: :chuckle: :chuckle: :chuckle:
If that block is from hobo frieght ,I wouldn't push it too far past the limit. :chuckle: :chuckle: :chuckle: :chuckle:

Offline KFhunter

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Re: Winch Rigging and Anchor loads
« Reply #18 on: December 12, 2022, 07:19:46 PM »
It's not really rocket science, use tree anchors and blocks you couldn't possibly break, and bag the winch line or at least stand well clear.   

Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #19 on: December 12, 2022, 07:22:26 PM »
It's not really rocket science, use tree anchors and blocks you couldn't possibly break, and bag the winch line or at least stand well clear.
Ding ding ding.
No one stands outside the truck.
Getting firewood your in
the truck when I'm pulling stuff.
Plus sometimes I will pull stuff down the road if there is a shady spot close by. :chuckle: :chuckle: :chuckle: :chuckle:
« Last Edit: December 12, 2022, 07:28:23 PM by hunter399 »

Offline Rob

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Re: Winch Rigging and Anchor loads
« Reply #20 on: December 12, 2022, 07:29:03 PM »
I guess I am just looking for the principles so I can make good decisions.

I hear folks say they want a margine of 3x for anchors and i see two ratings on materials.  How are those folks calculating 3x?   WLL or MBL?

I also understand from my rock climbing days that there is an anchor that is perfect, and one that is good enough.  In other words you can add more gear and improve the security of an anchor but that comes at the expense of gear and time.  Or you can build something that will sustain a fall factor of 2 with some margine and call it good.

I see people making a judgement call based on experience and since i dont have the depth of many on here, i don't yet trust my judgement so I need to know the principles.
_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

Offline KFhunter

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Re: Winch Rigging and Anchor loads
« Reply #21 on: December 12, 2022, 07:30:08 PM »
You can winch yourself out with two logs and a rope  :chuckle:

Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #22 on: December 12, 2022, 07:36:59 PM »
You can winch yourself out with two logs and a rope  :chuckle:
Some that trusty paracordage. :chuckle: :chuckle: :chuckle:

Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #23 on: December 12, 2022, 07:40:28 PM »
I guess I am just looking for the principles so I can make good decisions.

I hear folks say they want a margine of 3x for anchors and i see two ratings on materials.  How are those folks calculating 3x?   WLL or MBL?

I also understand from my rock climbing days that there is an anchor that is perfect, and one that is good enough.  In other words you can add more gear and improve the security of an anchor but that comes at the expense of gear and time.  Or you can build something that will sustain a fall factor of 2 with some margine and call it good.

I see people making a judgement call based on experience and since i dont have the depth of many on here, i don't yet trust my judgement so I need to know the principles.
I would trust your judgement
Only you know what your truck wieght,winch,all that.



Offline Rob

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Re: Winch Rigging and Anchor loads
« Reply #24 on: December 12, 2022, 07:47:50 PM »
Ok.  Thanks anyways!

_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

Offline Rob

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Re: Winch Rigging and Anchor loads
« Reply #25 on: December 12, 2022, 07:49:38 PM »
If i can find a good resource on the physics of these systems I will post it.
_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

Offline ghosthunter

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Re: Winch Rigging and Anchor loads
« Reply #26 on: December 12, 2022, 07:53:55 PM »
I guess I am just looking for the principles so I can make good decisions.

I hear folks say they want a margine of 3x for anchors and i see two ratings on materials.  How are those folks calculating 3x?   WLL or MBL?

I also understand from my rock climbing days that there is an anchor that is perfect, and one that is good enough.  In other words you can add more gear and improve the security of an anchor but that comes at the expense of gear and time.  Or you can build something that will sustain a fall factor of 2 with some margine and call it good.

I see people making a judgement call based on experience and since i dont have the depth of many on here, i don't yet trust my judgement so I need to know the principles.

 Go try it.  Get a buddy set up couple winching scenes and try it before you need it. Than carry what works for you.

GHOST CAMP "We Came To Hunt"
Proud Parent of A United States Marine

We are all traveling from Birth to the Packing House. ( Broken Trail)

“I f he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.” ― Theodore Roosevelt

Don’t Curse the Darkness.

Memento Mori

Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #27 on: December 12, 2022, 07:57:42 PM »
The science stuff ....
All I know is every time you loop through a block you reduce what your winch pulls by almost half.

You see a crane with a block and the cable loop though a few pully on a single block.
Same principle winch on crane is only gonna lift so much.
So you increase lift,pull,whatever that way.

Offline hunter399

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Re: Winch Rigging and Anchor loads
« Reply #28 on: December 12, 2022, 07:59:58 PM »
I guess I am just looking for the principles so I can make good decisions.

I hear folks say they want a margine of 3x for anchors and i see two ratings on materials.  How are those folks calculating 3x?   WLL or MBL?

I also understand from my rock climbing days that there is an anchor that is perfect, and one that is good enough.  In other words you can add more gear and improve the security of an anchor but that comes at the expense of gear and time.  Or you can build something that will sustain a fall factor of 2 with some margine and call it good.

I see people making a judgement call based on experience and since i dont have the depth of many on here, i don't yet trust my judgement so I need to know the principles.

 Go try it.  Get a buddy set up couple winching scenes and try it before you need it. Than carry what works for you.
:yeah:
Try it first is a great idea.

Offline Rob

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Re: Winch Rigging and Anchor loads
« Reply #29 on: December 13, 2022, 05:55:38 AM »
Definitely plan on trying all this out once I understand the basics (and get the winch mounted!)
_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

 


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