Rigging Three Part Line Badlands APEX 12000 Winch

A refrigerated truck body converted to a walk-in cooler is offloaded from a deck over trailer by use of a Badlands APEX 12,000 winch. The weight of the body is unknown, but judging by the 'pull' on the winch, its pretty heavy. The weight combined with the friction of the metal I-beam frame on the wooden deck contributes to a slow going operation. A steady and continuous pull in unloading a precarious load would contribute greatly to the lack of ability to maintain control. Slow and stead is the name of the game even if 'slow' means 'start and stop'. If a steady pull is being used and the load shifts at the 'break-over' point you are at the mercy of the laws of friction as well as gravity with little chance of controlling the descent. Its imperative that the load travels towards the rear of the trailer in near perfect alignment with the 8'' channel iron ramps. Those channel iron ramps were chosen because of the potential for the load to shift on the down-slide and the channels would minimize that potential. Flat ramps could prove to be catastrophic in this case.
The winch is rated at 12,000 lbs of pull. But what some don't realize is that rating is only on the first wrap of the cable or synthetic rope of the drum. Each additional wrap of the cable increases the diameter of the winch drum and that increased diameter changes the mathematical formula for figuring winch out put. The larger the drum, the less the output. In other words, with 5 or 6 layers of cable on the drum your winch rating is no longer the advertised rating. It is less. So this brings up the point of utilizing 'snatch blocks'. A snatch block is a pulley that is attached to the object to be moved then routed back to the winch. This single pulley DOUBLES the pull capability of the winch and cuts the speed in half and is generally referred to as a 'two-part line'. If you want additional 'pull' on the load, OR want to slow the speed....add another snatch block. This creates the condition that doubles once again the pull on the load and yet again cuts the speed of the load in half and is generally referred to as a 'three-part line'. THAT's what I want in this case...a sloooooow moving load. An added benefit is that the amperage consumed by the winch by adding the additional snatch blocks is lowered, making it easier on the contacts of the controls internal of the winch and keeping the heat generated by high amperage to a minimum.
So I'm sure there are those who will shake their heads and consider these the actions of a dummy....but that's ok. I have a walk-in cooler in operation and most likely they don't....LOL. I spent a good portion of my career moving extremely heavy objects up and down steps, in and out of penthouses and mechanical rooms as well as rigging for hundreds of crane and helicopter lifts. I certainly am not one who claims to know it all, but I do know just enough to get something like this accomplished with little effort and no danger to anyone's health..... except mine. And even THAT was minimal.
On a side note, my little dog Max did a video-bomb for a few seconds on his daily quest to disrupt the lives of the chipmunks that live in the nooks and crannies around the old shed. Officially his registered name is Diminimus Maximus....but its easier to stand on the deck and call for Max. Proving his level of intelligence I didn't even have to call him away from the impending squash as the refrigerated bed hit the ground....though I thought I could hear his enemies taunting and cajoling him towards the underbelly of the cooler. Smart dog huh.
If you noticed at 9:22 you can see the two snatch blocks right at the point of contact, but in the next few seconds the video shot from the other end showed the cooler move another 3 or 4 feet THEN I started talking about the snatch blocks are ready to come in contact. That's because I stopped at 9:22 and adjusted the chain length to relocate the first snatch block closer to the skid loader giving an additional 6' of distance to travel.

At any rate, this was totally for your entertainment so please know to not perform any of the exercises shown in the unloading because it is not intended to be a 'how-to' video. There's lots of those out there so this video should be labeled as a 'how-to-not-do' video.... So hopefully there was at least a small degree of entertainment within the eleven minutes for you to glean.
All in all it was just another day in the woods for a poor boy that doesn't know any better.... Now if you read the clickbaiting description in the video where my son leveled all the rock, you can plainly see that there really wasn't anything so scary, over the top, sacrilegious, ridiculous, dangerous, scurrilous to man or beast, disrespectful or uncharacteristic to the typical workload here at the World Headquarters of Tractorman44. Sorry. LOL.

Видео Rigging Three Part Line Badlands APEX 12000 Winch канала Tractorman44