ForP 434 - CABLE SYSTEMS ANALYSIS
8:00 – 9:15 Mon, Wed, Fri
Room 108, Forestry Building (CNR)
LAB: 2:30 - 4:20 Monday, Room 118
Other lab times as assigned
Spring 2008
INSTRUCTOR: Leonard R. Johnson
Room 102C, Forestry Building
Office Hours: 9:30 - 10:20 am Mon, Wed
COURSE MATERIAL: Cable Logging Systems (Studier and Binkley)
Logger PC 4.2 Program (on line)
(Items are available for purchase at the College of Natural Resources copy center)
LOGGERPC, Version 4.2
D. Anchoring of cable systems
1. Tailhold anchors
2. Guyline anchors for the yarder
E. Intermediate supports: analysis and systems
COURSE HOMEWORK AND PROJECTS:
The course homework and projects represent a significant part of the course. All but the first project will be done as independent study, with no specific lab time assigned. The first project will involve use of the model yarder during the scheduled lab period for the course. The software, LOGGERPC 4.2, is available for installation on your own systems through a link to the US Forest Service, Region 6 web site as shown below. The written labs will involve independent study of cable operations through use of the model yarder, cable load analysis, and in planning for cable logging operations.
PowerPoint Presentations
Carriages
Ground Lead-Double
Ground Lead-Single Drum
Multi Line Skylines
Skyline-Guyless Yarder
Skyline-Two Line
Tension - Length Schematic (PDF file)
Cable Mechanics
http://www.fs.fed.us/r6/nr/fp/FPWebPage/FP70104A/FP70104A.htm
PROJECTS AND HOMEWORK ARE DUE BY 5:00 PM ON THE STATED DUE DATE. POINTS WILL BE DEDUCTED FOR LATENESS AT THE RATE OF 10% PER DAY FOR EACH DAY THE PROJECT IS LATE. POINTS CAN ALSO BE DEDUCTED FOR POOR ENGLISH AND ORGANIZATION.
GRADING:
A. Two major exams
B. Course projects at approximately 1/3 of course grade
C. Class participation
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