what not to do, go to about 3:55...

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ha that really blows...

That sux!

That's ALSO pretty much why you don't use metal hooks on straps either, and why so many of us swapped out the steel winch lines to use synthetic lines instead.


Generally, a chain is used for a static load, never a dynamic load.

They were trying to use the chain to YANK him out, and, that places a shock load on the chain, which its simply not designed for (That's a dynamic load - it STRETCHES the links if softer metal, and just snaps them if more brittle)

A SNATCH STRAP is what you WANT TO use to YANK someone out with, as its MEANT to stretch, and soak up the initial jolt as the strap goes taut...and then PULL SMOOTHLY on the load, like a stretched rubber band contacting.

This is FOR dynamic loading, and works great....if what the strap is hooked on stays on, etc.


A chain is really more for towing, applying a steady load, etc, not for shock loads, etc.

The smartest thing in the whole video was the "note to self" at the end. Snapped chains and steel cables can easily break and even sever limbs of those standing nearby on top of the damage it can/will do to the vehicles. When synthetic winch lines and snatch straps break (rarely) they simply fall to the ground or if they do rebound it is with minimal effect.

Had a similar incident last year in my Tracker. Got stuck and someone with a little too much hp tried to pull me out of the snow (winter run) and my factory tow point went into his cab. No one was hurt but after bouncing around a little in his cab it did manage to hit him on the head yet. The tow point was used once before but with a tractor pulling so it was slow while the other guy stepped on it and gave it a good yank.

That is also why you should place a blanket or heavy tarp across the tow cable / chain, and place your hood up when using a front recovery point.

chains and cables have there purpose in wheeling, yanking is not one of them. dragging trees, and ancor points are the main items.

That's ALSO pretty much why you don't use metal hooks on straps either, and why so many of us swapped out the steel winch lines to use synthetic lines instead.


Generally, a chain is used for a static load, never a dynamic load.

They were trying to use the chain to YANK him out, and, that places a shock load on the chain, which its simply not designed for (That's a dynamic load - it STRETCHES the links if softer metal, and just snaps them if more brittle)

A SNATCH STRAP is what you WANT TO use to YANK someone out with, as its MEANT to stretch, and soak up the initial jolt as the strap goes taut...and then PULL SMOOTHLY on the load, like a stretched rubber band contacting.

This is FOR dynamic loading, and works great....if what the strap is hooked on stays on, etc.


A chain is really more for towing, applying a steady load, etc, not for shock loads, etc.


So using a hi-lift jack with their chain "winch" kit should work as it applied constant tension to the chain, and slowly pulls on the vehicle.

Do you know of anyone who has actually recovered a vehicle that was stuck using this method?

So using a hi-lift jack with their chain "winch" kit should work as it applied constant tension to the chain, and slowly pulls on the vehicle.

Do you know of anyone who has actually recovered a vehicle that was stuck using this method?

It works great but you exert a lot of effort to go a short distance. Nox and I practiced winching with the hi-lift by pulling my X out of a ditch in his back yard. It is slower than a winch but it's a very useful tool (especially if you have sliders too!).

Chuck

Do you know of anyone who has actually recovered a vehicle that was stuck using this method?

Yes I do, he was determined to do it that way, it was a short pull, he did all of the work, and it took a freakishly long time. But he wanted to do it that way, even though there were 3 winches right there. We just stopped for lunch and watched the show.

Yes I do, he was determined to do it that way, it was a short pull, he did all of the work, and it took a freakishly long time. But he wanted to do it that way, even though there were 3 winches right there. We just stopped for lunch and watched the show.

That's good because I have a hi-lift and chains, but I can't afford a winch right now.

Or a winch
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Retards....

Or a winch
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wow - people like that give red necks a bad name....

Fail

Its the rednecks that do crap in public that gives them a bad name. Like blowing smoke on people walking on the side of the road and crap.

How did that break?

haha it didnt break it just came loose... it looks like all they did was put the fook on the ball and try to take off....

yeah it didnt look like it broke the cable or hook. so either slipped off or broke the attach point on the tow vehicle.

rednecks..

i probably heard Daym! 30 times

holy hell

Yeah I dont get it why they didn't just engage the winch..

Yeah I dont get it why they didn't just engage the winch..

Step one should have been to engage brains, maybe it was all the cans of bud?
That would explain why they can't tell a recovery strap from a steel cable.

Or a receiver BALL from a receiver HOOK.

You are never supposed to use a ball, they are not MEANT to take the stress from that direction at that point...and they DO fly off sometimes...and, sometimes, the BALL takes someone, or something, out, instead of the hook on the line, etc.


If REALLY unlucky, the ball AND line hook kill separate targets.



Its a newby mistake, a rookie killer....but, there ARE people who SHOULD HAVE known better...who just never knew that.




So, if we are to learn at least one thing from this negative example, its NOT TO USE A HITCH BALL AS A RECOVERY POINT.


Don't YOU be the moron who uses a hitch ball like that!



:wink-big:

Another interesting recovery. Fast forward to about 3:10

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Wtf would would you convert a F150 (pretty sure that's what I saw.. I'm on my phone) into a tow truck?! Plus the way the forces were (pulling front end down while also pulling rear end down).. wow. Just dumb thinking there

Sent from my GT-I9000 using AutoGuide App

LOL


A lot of people just don't think about force vectors.....and what is appropriate to brace against these forces.


Its as simple as understanding how strong is strong enough, and how strong is NOT strong enough.

:D

A few basics, which might have included looking at in what direction the BASE of the recovery boom would pivot under load...vs what would KEEP it from pivoting...might have saved them.

Obviously, the base would pivot down to the rear of the truck under load...and, there was NOTHING to keep it from doing that...as a F-150, and most other p-up truck beds, are braced to handle COMPRESSION, but NOT UPLIFT.

When the base pivots, the front of the bed is lifted up so that the rear can pivot down, etc...


and SNAP.

:wink-big:

I can't confirm what model of Ford the tow truck was. But the 250 & 350 looked the similar to the 150

Edit: around 2 min in it looks to say 150 on the side.

I have a strap with metal hooks, used it once and the Jeep I was pulling out did not hook his side real good and it flew off right along the side of my vehicle. I now have a looped strap and some D rings but have not had to use them yet.

Yeah, you should never use a snatch strap with metal hooks...its a recipe for disaster.

You should ALSO never use a TOW STRAP with metal hooks AS a snatch strap.

The concept is essentially based on impact vs tension.


Chains, tow straps, etc...are meant for a mostly static load....not a SHOCK LOAD.


Towing someone along....so the weight is pretty much steady, is OK.

If you are gunning it to the end of the strap, so that you are going to YANK the other end hard enough to get someone unSTUCK...

..THAT'S a SHOCK LOAD.

For a shock load situation, you want a snatch strap with loops, not hooks, etc.

Does anyone here use dampeners on the recovery line? Has anyone ever seen a recovery line break while a dampener on it? Did it help??

An assortment of FAIL:

http://www.youtube.com/watch?v=iKXwrOKRK1k&feature=fvst
*** Note in the comments that the chain not only broke the back window but it traveled THROUGH the blazer and broke out the front windshield too. Driver is lucky it didn't kill him.

http://www.youtube.com/watch?v=gXZPCd1P49A&feature=BFp&list=WLEF026BBDD341D82C&index=2

Prime example of using a strap with hooks. Notice that the strap is on the front dash of the Ram, narrowly missing the girl in the passenger seat.

http://www.youtube.com/watch?v=hAY0oVwuzNY&feature=BFa&list=WLEF026BBDD341D82C&index=3

Not to mention on the blazer one, the chain can act as a whip and take out people near by

Sent from my GT-I9000 using AutoGuide App

Continuing with recovery fail, this did not end in a fail, but it's quite easy to see how it might have. How not to use a hand winch:

http://www.youtube.com/watch?v=2WIgQaC8KXc&feature=related

My god.. that's a test run for a darwin award right there...

Continuing with recovery fail, this did not end in a fail, but it's quite easy to see how it might have. How not to use a hand winch:

http://www.youtube.com/watch?v=2WIgQaC8KXc&feature=related

I am still a long way from being very good at off-raoding, but even I lost count of how many things they did that were wrong, dangerous or just stupid!

What was that loud bag at the end? Back-fire or an axle?