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Petzl Understanding Fall Force Force unit conversion Calculator
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Impact from FreeFall Calculator  

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Spreadsheets below initiated by Dave Spencer VericalPro.Net while visiting the TreeBuzz.Com discussion forum.  
Leveraged Force Calculator for Bent Line (or any Flexible Devices)  
Leveraged Force Calculator for Length, Height and Lean of Tree (or any Solid Devices)  
Leveraged Forces in Rope and Supports Calculator for Double Whip Tackle  
   

 

 

 

 

 

 

 
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FH comparison ParBuckle - SpinFactor ButterFly~Knot

Scaffold-Double Fisherman's

FH comparison2 Jacked Bowline FrictionHitches  

Bowline/ Carabineer Caution

Baby Holding Bus Knot Theory Barrel, Bunt, Lobster Eyes
Tautline    
 
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Mistletoe

 
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Starting Flash Flash Flash Trials FlashFilesMaid 2 Rope Grip Theories
2handing Leverage Theory Pull Angles on Load Kid's Math - 5's
Sling Angles
  Flash Rope Archives SuperBob HomeWrecker Game Chainsaw Use
 
Math Force Calculators Rope Angle Leverage Calculator Leverage of Lean Calculator DWT Forces Calculator
Mayhem Puzzle Kid's Math - 5's Tree Muscles
 
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