Monterey Bay Aquarium - Precision Underwater Positioner (PUP)
11/20/2002 Platform Leg Concept 
by Martin Lee (Phone: (408) 741-5342

This review is intended demonstrate how to measure the platform's stability and a way to deploy the PUP using the robot arm available on the ROV.

This video clip shows a procedure for measuring the relative rigidity of various possible deployment locations. 

Footing Motion - Weight 14.25 oz, Pendulum 15", Swing distance 10"
Office Rug with mat 0.62 mm
Concrete patio 0.03 mm
Moss covered damp dirt 0.10 mm  Photo#1, Photo#2, Photo#3, Photo#4, Photo#5, Photo#6

 

This video clip shows a deployment of the test tripod on a 30 degree slope.