Building Mechanical Advantage (3:1 or 5:1)
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- Опубликовано: 11 янв 2023
- Instructor Dwayne Neustaeter demonstrates a technique for the installation of mechanical advantage. This technique is most often employed in urban forestry for the use of pulling over trees. However when applied appropriately MA can be used to meet many different objectives. As spider man says... "with great power, comes great responsibility". Enjoy and remember Stay Safe and In Control!
Clean, precise tutorial.
No rambling on.
Clear angles on the videoing.
Very good job.
By far the best set up for mechanical advantage that I’ve seen on RUclips, thank you very much for your concise explanation and set up!
Dog gone, you know your stuff, very rare to see on youtube. Thank you.
Absolutely the best explanation and easiest to follow demonstration of mechanical advantage I've ever seen...this the "How to do it" video. Well done Sir, well done indeed.
Thanks 😊
Well and succinctly explained. 👍🏼
Thank you.
Fantastic instruction! Thanks.
Outstanding breakdown
Absolutely excellent presentation!
Outstanding as the other commenters said. You’re the boss.
Anyone not talking about how jacked the instructor is? The trees fall over for this dude. Knots tie themselves to the rope.
Fantastic. I love and am fascinated by all things rope, mechanical advantage, and nots. This stuff is the bomb
😊💪👌
"It's better to know a knot and not need it, than need a knot and not know it"
Nice job on this helpful video!
This dude knows his shit
Thank you so much for this!
Nice and informative video. Thanks!
Excellent video. Thank you very much.
Best explanation a straight forward setup that I’ve seen for a primitive progress capture/mechanical advantage system. Glad you didn’t build it with more expensive fancy devices like tooth cams. Also, it’s a good idea to use pieces manufactured from Technora or some other heat resistant material at your prusik points as these contact points with your main rope can become high friction points that may be prone to melting with nylon pieces. It’s not a problem with the rope as a different points of the rope are always moving through however the prusik points are seeing constant friction. This would apply more with hauling, moving a large object and less with taking the tree down as you shouldn’t have to put a lot of rope through the system before the line is taught.
Thanks, that's excellent feedback 😀 👍
@@HollywoodNeuy thank you for the awesome information. I appreciate you.
Thanks 😊
VERY INFORMITIVE !!
Thank-you.
Great video! Very clearly explained.
Worth keeping in mind that pulleys are not perfect so a 3:1 will actually give you less than the ideal 3x multiplier and this loss of efficiency gets more pronounced with higher pulley ratio.
Would be fun to see a demonstration with a linescale or something similar. Cheers!
Yes, you are correct. Thanks for your feedback.
Could you please tell me where I can buy those pulleys sir.
I wonder if this could be used for lifting a heavy load?
Not having to worry about the load dropping if the rope slips from your hand
Absolutely, it would within reason, of course.
Bubbles from trailer park boys is a good arborist
If you weigh 200lb and you're pulling sideways you're not putting 200lb of force on that rope.
True 👍 there are many variabls and assumptions made in these calculations, and it is more the concept that is being explained, not the technicalities. Thank you for your astute observation.
At 200 pounds you could potentially pull more than your weight if your feet are chalked. It then comes down to your dead lift, most people can dead lift over their body weight so therefore you would pull more than your 200 pounds of body weight
@@trailjockeytj6160 If you're dead-lifting sideways - I think you're doing it wrong.
true story. I guess you could run a redirect back to the anchor tree higher up and add a footloop to the woring end to just stand up in it
I've seen this done using a force gauge..... thingy and the guy managed more then his own body weight in a straight up pull. He's got a great channel "HowNot2" all about pretty much everything rope related. Also, if you can only pull your own body weight, explain the World's Strongest Man comp where they've pulled lorries, as well as passenger jets. The human body can do more then people realise, you just need to be open to the possibility 😊
Never heard the term french prussic before. What you showed, I know as a Kleimheist. I suspect it is just different terminology for the same thing.
The kliemhiest is different than the French Prussic, of which there are multiple names for and configurations... such as Valdatain Tresse, or Machaud Tresse. I'm sure the spelling 🤔 on those is wrong.
@@HollywoodNeuy i know it as the machard knot, it's curious the variations in names depending on the country jajajajajaj
3:1 or 5:1 is NEVER 3x or 5x the input….
Correct.
@@HollywoodNeuy real mechanical advantage is 4::1 not 5:1 to caculate you only need count the number of ropes that are shortened.
that's wild... in a good sense ofc ;)
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