Well, that last great tip about making an entirely second anchor for the second 3 to 1 that is 30 feet away is totally brilliant. Never heard that one before. Great idea.
Great video. As a blacksmith, I love showing these videos around my circle so guys can better understand how easily we can move heavy equipment in the shop. Too many have forgotten that ropes and pulleys even exist. Costly to set up, sure, but worth it in the end if you only need to move a power hammer or lathe.
Great Video! I have a question though.. what would the ratio be & what would happen if you made the 2nd redirection attached to a rope grab off the back of the progress capture pulley instead of the rigging plate?
@@dangerstall Thanks Ryan! Yeah I used it today, not ideal but only had 4 pulleys in gear bag. Luckily I only reset once. Thanks again, really cool channel. Looking forward to more videos
@@dangerstall easier to just simply show it, or describe why it isn't a 6:1. It's a 9:1 @k9solutions because he added another pulley at anchor vs creating a dead load using another figure 8. therefore that 3 traveled through pulley to create 9:1. had it been a dead load, it would not have traveled and would be a 6:1. good eye, but missed that one thing
lots of rope lots of pulleys not so simple but one man can do some enormously heavy pulling or lifting provided the skill sets are correct skill is everything. were proper technic is important to that's a biggy thank you for the knowledge the good stuff is always harder to find
Yes, because they are only taking a percentage of the total load in a mechanical advantage setup, and a prusik will slip if overloaded. They tend to slip at about 1200 lbs of force for a 3 wrap prusik hitch. Give or take depending on materials and diameters etc...
Is that a question or a criticism? As you can see there is a red prusik next to the first COD pulley. Unfortunately I never got around to attaching it in this video. It would go on the prusik minding side of the first COD pulley.
Please explain to me how this is a 5:1? Also explain your background and what makes you an expert in mechanical advantage pulley systems for rope rescue. Thank you
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Well, that last great tip about making an entirely second anchor for the second 3 to 1 that is 30 feet away is totally brilliant. Never heard that one before. Great idea.
Great video. As a blacksmith, I love showing these videos around my circle so guys can better understand how easily we can move heavy equipment in the shop. Too many have forgotten that ropes and pulleys even exist. Costly to set up, sure, but worth it in the end if you only need to move a power hammer or lathe.
Dope. I just went backpacking and used a 3:1 paracord setup to pull dead branches off trees for firewood. Need to get a 9:1 setup now. 😅😅
Good that you explained how to get both travelling pulleys to reset at the same time. Never seen that mentioned before.
Thanks for your Service and your explanation of the 9 to 1 Mechanical Advantage set-up.
The Man knows his subject..
Audio is not the best.
Cheers and thanks for the information..
Great Video! I have a question though.. what would the ratio be & what would happen if you made the 2nd redirection attached to a rope grab off the back of the progress capture pulley instead of the rigging plate?
If I understand you correctly, I think it might make it a complex 11:1 . You would have to reset the pulleys so many times though.
@@dangerstall Thanks Ryan! Yeah I used it today, not ideal but only had 4 pulleys in gear bag. Luckily I only reset once.
Thanks again, really cool channel. Looking forward to more videos
It's a 6:1 fellas. A 3:1 with a 2:1 compound. 3x2=6:1
Please go learn the T method for calculating mechanical advantages and let me know what you think after.
@@dangerstall easier to just simply show it, or describe why it isn't a 6:1. It's a 9:1 @k9solutions because he added another pulley at anchor vs creating a dead load using another figure 8. therefore that 3 traveled through pulley to create 9:1. had it been a dead load, it would not have traveled and would be a 6:1. good eye, but missed that one thing
lots of rope lots of pulleys not so simple but one man can do some enormously heavy pulling or lifting
provided the skill sets are correct
skill is everything. were proper technic is important to that's a biggy thank you for the knowledge
the good stuff is always harder to find
Cool gonna move a shed doing this method... I could use the buddy system or my truck, but this method will show me what my limits are. Hehehe
nice videos on pulleys! Are the Prusik ropes strong enough for all the load?
Yes, because they are only taking a percentage of the total load in a mechanical advantage setup, and a prusik will slip if overloaded. They tend to slip at about 1200 lbs of force for a 3 wrap prusik hitch. Give or take depending on materials and diameters etc...
Depends on the load and force applied at the anchors gotta remember the force is applied in more than one direction
Well done.
Well done
9 to 1
What kind of pulleys are being used?
Rock exotica Omni blocks
you forgot your progress capture ;p
disregard that I missed the progress capture pulley my bad
What pulleys are you using?
Rock exotica Omni blocks
Single pulley with built in swivel
i only see a 6-1. shouldnt you add both 3-1 together instead of multiply?
When you put a 3:1 onto a 3:1 it multiplies and becomes a 9:1.
@@dangerstall ok. Its been awhile since i messed with anything more than truckers hitch and a few others
Progress capture?
Is that a question or a criticism? As you can see there is a red prusik next to the first COD pulley. Unfortunately I never got around to attaching it in this video. It would go on the prusik minding side of the first COD pulley.
Why not use a block and tackle?
Alfredo Acevedo gravity
This takes less rope in a resettable system. But this is essentially block and tackle
We just have to trust that it works? Why not just hang the stuff up?
Alfredo Acevedo gravity
OK :)
Why on the floor, on your knees, dude?
Alfredo Acevedo gravity
Actually a 5to1
Please explain to me how this is a 5:1? Also explain your background and what makes you an expert in mechanical advantage pulley systems for rope rescue. Thank you
Steve racer says it’s a 4 + Garrett says it’s a 5 = 9:1
Wrong, it's a 3:1 on top a 3:1, so it's a compound 9:1 system