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32 records found

Small wood Harvesting with Cable Systems

Purpose

Skyline logging systems for managing young stands.

Project Start Date

1972-06-01

Project End Date

1985-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

N/A

Role

N/A

Collaborators

N/A

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An Investigation of the Coefficient of Drag Resistance Occurring in Yarding Logs

Purpose

An investigation of the coefficient of drag resistance occurring in Yarding logs.

Project Start Date

1976-03-01

Project End Date

1976-11-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Henshaw, John R.

Role

Collaborators

N/A

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Multispan Carriage Cable Tension Test

Purpose

Miltispan carriage cable tension test.

Project Start Date

1976-06-01

Project End Date

1978-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Peters, Penn A.

Role

Collaborators

N/A

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104

Project ID

104

Effects of Timber Harvesting on Groundwater Level and Slope Stability in Deeply Weathered Material

Purpose

Effects of timber harvest on groundwater level and slope stability in deeply weathered material. Areas will be clear-cut when sufficient data on the water table and soil creep has been collected. The researchers anticipate about a 5 yr. period to develo

Project Start Date

1976-08-01

Project End Date

1984-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

USFS

Project Type

Research

Research Forest

N/A

Researcher

Harr, R. Dennis

Role

Collaborators

N/A

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109

Project ID

109

Multi-span Passage

Purpose

A 1500# concrete weight will be yarded across an intermediate support jack changing deflection until carriage hang-up occurs.

Project Start Date

1977-08-29

Project End Date

1977-09-02

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Peters, Penn A.

Role

Collaborators

N/A

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118

Project ID

118

Compressive Loading of Second Growth Douglas-fir

Purpose

The project's purpose is to determine the critical compressive loads which can be applied on intermediate support trees and tailtrees in a second-growth stand.

Project Start Date

1977-09-12

Project End Date

1977-09-16

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Sedlack, Jerome P.

Role

Collaborators

N/A

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117

Project ID

117

Small-helicopter logging efficiencies under two thinning strategies in young-growth Douglas-fir

Purpose

To study the use of helicopters for thinning young-growth timber where access is restricted.

Project Start Date

1978-03-01

Project End Date

1979-01-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU-Forest Engineering

Project Type

Research

Research Forest

N/A

Researcher

Brown, George W.

Role

Collaborators

N/A

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136

Project ID

136

An Experiment to Analyze Prebunching With a Low Investment Skyline Yarder as and Economical Approach to Thinning Young-growth Pacific Northwest Timber Stands

Purpose

The experiment will use each skyline road as an experimental unit. Ten units will be laid out, each 1,00 ft. by 250 ft. wide. Four units will be assigned as silvicultural control units. Two will be assigned as thinning control units and will be logged

Project Start Date

1978-03-29

Project End Date

1984-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Perry, David A.

Role

Collaborators

N/A

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128

Project ID

128

Stump Anchor Tests

Purpose

Sixteen Douglas-fir stumps will be tested to failure. Eight on a downhill pull and eight on an uphill pull.

Project Start Date

1978-07-01

Project End Date

1979-01-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Peters, Penn A.

Role

Collaborators

N/A

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133

Project ID

133

Lateral Yarding Mechanics

Purpose

(1) Measure dynamic mainline tension, vertical angle of the mainline, and mainline displacement during lateral inhaul from the initial movement of the turn until it reaches the carriage. (2) Correlate maximum mainline tension and occurrence of hangups dur

Project Start Date

1978-07-01

Project End Date

1979-12-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Peters, Penn A.

Role

Collaborators

N/A

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132

Project ID

132

Alp Downhill

Purpose

Production and systems study of downhill skyline yarding using a slackpulling carriage.

Project Start Date

1978-09-01

Project End Date

1979-07-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Berg, Alan

Role

Collaborators

N/A

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134

Project ID

134

Smallwood Harvesting

Purpose

Skyline thinning with Bantam and mechanical slackpulling Christy and Koller tower. Research equipment performance, crew size, skidder use and time study techniques.

Project Start Date

1980-06-09

Project End Date

1980-10-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Kellogg, Loren

Role

Collaborators

Olsen, Eldon

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144

Project ID

144

Cost and Effectiveness of Mechanical Treatment of Compacted Skidtrails

Purpose

Determine if the backhoe bucket is suitable for pressing a 6" diameter x 15" long soil corer into compacted soil. (It is.)

Project Start Date

1980-07-30

Project End Date

1980-07-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Froehlich, Henry A.

Role

Collaborators

N/A

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156

Project ID

156

Yarding Residue from Thinnings for Energy

Purpose

This project is funded by the U.S. Forest Service Northwest Experiment Station and is designed to explore the BTU's available and costs involved in removing residues.

Project Start Date

1981-03-01

Project End Date

1981-10-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

USFS

Project Type

Research

Research Forest

N/A

Researcher

LeDoux, Chris

Role

Collaborators

Rowley, Marvin

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166

Project ID

166

Tension Study on Two Stumps

Purpose

Notch stumps, wrap different sizes of wire rope and measure changes in tension.

Project Start Date

1981-04-21

Project End Date

1981-05-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Kimbell, Abigail R.

Role

Collaborators

N/A

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165

Project ID

165

Stand Damage Study

Purpose

Will be measuring damage that has occurred to residual stands thinned during past forest engineering research projects.

Project Start Date

1981-07-01

Project End Date

1981-09-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Caccavano, Michael

Role

Collaborators

N/A

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176

Project ID

176

Smallwood Harvesting Research: Whole Tree and Tree Length Skyline Thinning

Purpose

Smallwood harvesting research: whole tree and tree length skyline thinning.

Project Start Date

1981-07-01

Project End Date

1981-10-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Kellogg, Loren

Role

Collaborators

N/A

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177

Project ID

177

Nutrient Cycling Effects of Logging Residue Removal

Purpose

This project will study the effects on nutrient cycling of different harvesting methods and different intensities of logging residue removal.

Project Start Date

1982-01-15

Project End Date

1992-01-15

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Perry, David A.

Role

Collaborators

N/A

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191

Project ID

191

Aerial Load Lifting

Purpose

Aerial load lifting, project no. Foundation OSU 4425.

Project Start Date

1982-05-01

Project End Date

1982-09-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Olsen, Eldon

Role

Collaborators

Tuor, Brian

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184

Project ID

184

Downhill Multispan Carriage Passage

Purpose

Line tensions will be examined during carriage passage over the jack during downhill multispan yarding for a variety of skyline lengths and chord slopes.

Project Start Date

1982-08-23

Project End Date

1982-08-27

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Bobbe, Thomas J.

Role

Collaborators

O'Leary, John

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192

Project ID

192