LIST OF ILLUSTRATIONS 



Page 



1 - General Dynamics, Electronics Division Mooring 



Concepts for the National Data Buoy 4 



2 - Lockheed Missiles and Space Company Mooring Concept 



for National Data Buoy C 



3 - Model Mooring Material Samples 9 



4 - Mooring Arrangement in Circulating Water Channel 12 



5 - Two-Component Force Dynamometer 1" 



6 - Vertical Displacement and Load Records on an Open-Link 



Chain Model Mooring; (i = 9.9 Feet, U = 0.6 Knots, 



x = 3.79 Feet, f = 1.84 Hertz, Fixed Pivot) 20 



7 - Vertical Displacement and Load Records on an Open-Link 



Chain Model Moorinq; (t = 11.7 Feet, U = 0.6 Knots, 



x - 6.88 Feet, f = 1.82 Hertz, Fixed' Pivot) 21 



8 - Vertical Displacement and Load Records on an Open-Link 



Chain Model Mooring; (i = 12.05 Feet, U = 0.6 Knots, 



x = 5.73 Feet, f = 1.81 Hertz, Bottom Anchor) 22 



9 - Distorted Dynamic Load Response to Vertical Motion on an 



Open-Link Chain Model Mooring; (i = 9.9 Feet, U = Knots, 

 __j x = 4.C2 Feet, f = 1.30 Hertz, Fixed Pivot) 23 



10 - Sign Conventions for Loads and Displacement of Top of 



Model Mooring Line 25 



11 - Dynamic Load Response to Vertical Motion on Weighted 



Nylon Cord {i = 9.9 Feet, Fixed Pivot) 34 



12 - Dynamic Load Response to Vertical Motion on Weighted 



Nylon Cord (t = 11.7 Feet, Fixed Pivot) . . . 35 



13 - Dynamic Load Response to Vertical Motion on Weighted 



Nylon with Open-Link Chain on the Bottom 



U = 12.05 Feet, Bottom Anchor) 35 



14 - Dynamic Load Response to Vertical Motion on Open-Link 



Chain (£ = 9.9 Feet, Fixed Pivot) 37 



15 - Dynamic Load Response to Vertical Motion on Open-Link 



Chain (2 = 11.7 Feet, Fixed Pivot) ?,Z 



1v 



