Tree Trunk Protector

[rottodiver]

Was just about to make this point.. friction is a huge killer of poly straps.

Also imo if using a bridle strap you would want it at least 6m long. If using a 3m strap they would near be pulling in a 90 degree angle (45 a side from the car) which basically slashes the straps weight capability by around 30% from memory.
To keep your straps capacity at its best you need as straight as possible.. so if you can use a 6m strap your angle would be greatly reduced and capacity increased..

Kallen Westbrook
Owner of
Westy's Accessories

Sort of correct,
If you have a a 1 tonne strap ( just an example) and using it as a bridle and you wrapped in around something round that it the same diameter as the distance between your two tow point and connected your snatch strap to that large diameter object( ie a massive sheave block) you would double the capacity of the strap to two tonne, now obviously that would not happen as you would be connecting it to a shackle so this creates an "angle factor". This is the angle created at the shackle so there are 4 rules associated with this and they are , if the angle is 120 degrees the angle factor is 1 which means the 1 tonnes sling is good for 1 tonne, the second is 90 degrees and the angle factor is 1.41 so you bridle is good for 1.41 tonne, the 3rd is 60 degrees with an angle factor of 1.73 so now the bridle is good for 1.73 tonne, and finally 30 degrees with an angle factor of 1.93 so the bridle is good for 1.93 tonne.

Hope this makes sense and it goes for all winching lifting etc

Scotty