OSE Keyline Plow with Hydraulic Release

(note: wheel shown on one side only, other side is identical. Lifted position of keyline shank is shown)

Design Rationale

Modular wheels
Raisable wheels
Hydralic cylinder with pressure relief (not hydraulic accumulator) is used for release
Valve operated return-to-soil via control valve in cab
3' shank length total, 2' depth max
Shank release angle is 45%, using an 3"x8" hydraulic cylinder
1" pivot through box beam tubing serves as shank pivot point
Shank is welded to 12" of box beam tubing
Height adjustment occurs via hydraulically lifted wheels, or via adjusting height via pin on the box beam tubing
Designed around Universal Drawbar
Designed for up to 4 shanks at 2' spacing
Extensible in width by adding more box beam tubing
Modular coulter wheels are attachable in front of shanks
Designed for carrying fluid (water, compost tea, etc) on top of frame.
Idler wheels can be doubled for a total of 6400 lb load capacity on wheels (1600 lb each wheel)
Wheels are car donuts with two 1-7/8" bearings
Shank is 1"x6" mild steel
Tip should be welded with tungsten powder

Winged tip vs conventional tip subsoilers - [1]
Yeomans discussion - soil can be built up with keyline plowing faster than it can be eroded
Graham chisel plow from last link:
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