Homemade jack mate built with webbing??

[slowLC]

So I am thinking about building a jack mate with some two inch tubular webbing ran through a pair of large tow hooks. Since the 80s don't have a solid place to jack from stock, I could lift the wheel to get out of most stucks. I would be using some type of edge protector to run the webbing through. Probably some old fire hose which would be double jacketed. What do you guys think? I want to say that the webbing is rated at 10000 lbs also. This would make for something much lighter and smaller to fit in the back with the other 10million things we carry when exploring! Plus homemade stuff is so much more fun!! Let me know what you all think. Thanks

 

[B-RAD]

I have been thinking about the same thing....or if you are in a bind...what else could be utilized. I have several legnths of climbing webbing in my rig at all times and was pondering using that in some capacity.

From Wikipedia: Climbing-specific nylon webbing is generally tubular webbing, that is, it is a tube of nylon pressed flat. It is very strong, generally rated in excess of 9 kN, or about 2,020 pounds of force. Spectra is even stronger, often rated above 20 kN (about 4,500 lbf or 2000KG) and as high as 27 kN (about 6,070 lbf or 2700 KG). In 2010, UK-based DMM performed fall-factor 1 and 2 tests on various Dyneema and Nylon webbings, showing they can fail even under 60cm falls. Tying knots on Dyneema webbings was proven to have reduced the total amount of supported kN by as much as half.[6]

 

[slowLC]

If you double wrapped the webbing wouldn't it double it's strength? If I could get 8-1000k lbs out of it I would feel save

 

[slowLC]

Any more opinions on this??

 

[rusty_tlc]

Add some sliders, they make nice jack points on the 80 and 100 series.

 

[slowLC]

I would love too but right now its not in the cards due to funds!! I will be building some though in the near future after some more research. Im going to try this today so if it works I will post pics

 

[e9999]

are you going to use knots or sew things up?

 

[slowLC]

I am going to be using water knots so they will tighten with the added weight instead of rip

 

[madinal]

Any knot will reduce the capacity, you can find a table of knots vs. loss of strength. It's really a significant value so be careful.

I carry a couple of 10 x 12 pieces of diamond plate to use as a jack base because if the tire sunk into something soft the jack probably will too.

 

[bhmmapping]

I am going to be using water knots so they will tighten with the added weight instead of rip

that sounds like a bad idea. Don't water knots slip a little every time force is applied to them?

 

[e9999]

that sounds like a bad idea. Don't water knots slip a little every time force is applied to them?

that's why it's called the "death knot" probably...?

 

[slowLC]

Haha so yes water knots do gradually slip over time, but are a very strong knot. I found this little read that explains it some more.

http://user.xmission.com/~tmoyer/testing/Water_Knot_Testing.pdf

Btw, I tested it and it worked great. I am going to make another thread with pics.