Congratulations to all who answered this correctly! We are always impressed with the knowledge that many of you off-roaders possess, good job!
1) Vehicle sees 20,000 pounds of pulling force
2) Vehicle traveled 3 inches
3) 4X mechanical advantage
Both rope legs on pulleys have the same tension, so Pulley #1 sees 5K on each leg for a 10K total load. That means that the right leg on Pulley #2 sees 10K, and so does the left leg, the anchor then sees 20K. So the total pulling force to the vehicle is the sum of these loads – 10K+5K+5K = 20K. From the conservation of energy : 5K x 12 inches = 20K x 3 inches. In other words, pulling 5K for 1 foot is the same amount of work as pulling 20K 3 inches.
It’s true that most of us will probably never need to rig a vehicle with this “Spanish Burton” method, but its still interesting to know it’s possible to reach a 4X mechanical advantage with only 2 pulleys and a length of rope or cable. The common use of two pulleys typically results in merely a 3X advantage, not 4X.
Big congrats to our FB Winner, Alan Hamel and IG Winner @sheepythejku
Stay tuned for new products and more giveaways!
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|FACTOR 55 Equipped Racers Podium in All 5 Classes|
Including 3 First Place Wins!
2019 King of the Hammers | 4400 Class 2nd Place- Erik Miller
2019 EMC | 4500 Class1st Place- Jimmy Jack
2019 EMC | 4800 Class1st Place- Casey Gilbert
2019 EMC | 4600 Class3rd Place- Josh Attebury
2019 UTV King of the Hammers | UTV Class 1st Place- Mitch Guthrie JR
Thanks to everyone who stopped by the Factor 55 booth at the 2019 running of the King of the Hammers race, and congratulations to all of the racers that participated all week long. Factor 55 was represented on the podium for all 5 race classes, even being on the winning cars on 3 out of the 5 race categories.
Every year we partner with Ultra4 racing and we sponsor the Tech Inspection Tent. We also provide free synthetic winch rope repair/splicing to all racers. This year was no different. We repaired countless winch ropes and got the racers back out on the race course. Nobody abuses vehicle recovery gear more than off-road racers.
Factor 55 – Race tested, race proven.
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