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Okay Guys this is pretty crazy. I drive a 2011 F-150 Lariat with the 5.0. It has towing package.
My buddy put his 1/2 ton gmc Denali in the ditch which had 3 feet of snow in it. I hooked receivers in both trucks with big cleaves on each receiver. I was using a 2 inch high quality stretch tow rope. I yanked him a few times in 4 wheel drive with traction control and autoTrac off and got him to move a little so as I continued with the next few pulls I gradually tugged a little harder but not insanely crazy. Here is a few pictures of what my rear end looked like afterwards. Does anyone have an explanation for this? Or is Ford just getting that cheap with their quality. The bolt heads for the bumper to receiver literally pulled through the metal. Opinions appreciated!!
I did not hit anything either. The bumper was bent from the tow rope pulling on the receiver.
Last edited by Cole DeZeeuw; 03-02-2019 at 07:51 AM.
Looks like its just rusted to hell and back to me. I could never live anywhere that snows all the time. I don't see how you Northerners do it. Spend all that money on a truck that's going to get destroyed by salt in a few years. My truck is 13 years old and not one speck of rust.
When you start using forward momentum, the energy produced grows exponentially with the speed of the vehicle. YouTube is filled with bad things happening by using a yanking/jerking recovery, including an alleged fatality. You just got a real-world physics lesson. Go buy a new hitch & bumper, and consider it tuition. Next time call a tow truck.
Not s towing physics guy, but I would never pull out another half ton truck with my own. Would want a 3/4 or better. Or tow truck. Last time I needed one for the wife's van, insurance paid for it.
What do you mean by a high quality stretch TOW rope? There are recovery ropes and there are tow ropes. Recovery ropes like bubba rope, ARB recovery ropes, or other good quality kinetic recovery ropes are designed to stretch about 20% and have a momentum method used to recover vehicles.
Tow ropes are designed to have nearly 0% stretch. If you were in fact using a tow rope (and not a kinetic recovery rope) and a momentum method, that is why that happened.
This is all newton's second law (at least the way he wrote it) Your net force applied is increased with smaller amounts of time or decreased with more time. A recovery rope stretching increases the time and decreases the force applied which is why you can use a momentum method. A tow rope applies A LOT of force because it does not stretch and that force is applied in a very small amount of time.
Here is the equation
Fnet * time = mass * change in velocity
Or
Fnet = Change in momentum / time
Something else ain't right. Might be rust. I've pulled a lot bigger rigs out of worse places, with a lot smaller trucks than an F150 and done no damage.
Something else ain't right. Might be rust. I've pulled a lot bigger rigs out of worse places, with a lot smaller trucks than an F150 and done no damage.
I agree. I snatched on another F150 with my '12 Screw F150 (nearly identical trucks). Both of us were hooked to the hitch receiver. When it wouldn't come out, I went and got the Jeep with an 8K winch, double line pull almost stalled the winch before it came out. I'd guess probably 15-16k of pull on the receiver with no issues what so ever.
03-02-2019, 07:31 AM
This is crazy! Please look! Help!
