Tractor Construction Set 2018

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This is the master page of all tractor development for 2018

See github page at https://github.com/skikro/microtrac for quick part download and latest versions


Basics

  • A set of hydraulically driven, versatile tractors:
    • MicroTrac, a walk-behind tractor
    • LifeTrac, a larger riding tractor
  • Easily configurable
  • Straightforward to maintain
  • Cost effective to build using the OSE Microfactory or a set of basic tools



HintLightbulb.png Hint: The previous version can be found at Tractor Construction Set 2017


Development Template (Needs update)

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Task Allocation (Needs update)



Build Instructions (Needs update)

Preparation

  • Cut lists
  • Parts orders
  • Actual build instructions


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MicroTrac v18.10 Concept (Needs update)

41" wide

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Master Checklist(Needs update)

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Master CAD (Needs update)




Part Library (Needs update)

HintLightbulb.png Hint: See OSE Part Library for the tractor parts, which should be moved here and a link to the MicroTrac Part Library should be added at OSE Part Library.


Gallery


Admissible Parts

Motor

  1. Motor - File:MT 45cuinmotor.fcstd - 45.6 Cu In Motor
  2. Motor mounting bolts - 1/2" x 1.75", 4 of them on front face of motor
  3. Motor Mounting lock washers - 1/2"
  4. Motor Mounting nuts - regular 1/2" hex nuts
  5. Motor Castille Nut - nut on tapered shaft of motor - [1]
  6. Motor Castille Nut Pin - pin that prevents castille nut from coming off
  7. Hub - node
  8. Hub Bolts - 5-bolt circle
  9. Motor Mount Plate - File:MT motormountplate.fcstd
  10. Motor Mount Plate Bolts - 1" bolts, 6" long - File:MT motor mount plate bolt.fcstd
  11. Motor Mount Plate Washers - 1" lock washer
  12. Motor Mount Plate Nuts - 1" nuts
  13. Motor Fittings - 1/2" BSP-M to 3/4" quick coupler
  14. Drive Sprocket. See clamp sprocket for reference - [2]
  15. PTO Motor File:PTO Hydraulic Motor.fcstd
  16. PTO Motor Mount PlateFile:PTO Motor Mount plate.fcstd

Tracks

Tracks File:MT track1.fcstd

  1. Track pin
  2. Track pin cotter pin
  3. Track pad
  4. Track sides
  5. Track roller

Idler

  1. 8" pipe - [3]
  2. 12" pipe - done
  3. Flange
  4. 3" bearing
  5. 1-7/8" bearing
  6. 3" shaft
  7. 1-7/8" shaft
  8. 3" shaft collar
  9. 1-7/8" shaft collar

Track Tensioner

Frame

  1. Narrow Frame File:Frame.fcstd
  2. Wide Frame
  3. Loader arm bushing File:Loader arm bushing.fcstd
  4. Shaft for Loader Arms File:Shaft Loader Arms.fcstd

Clamps

  1. See Pipe and Couplers.
  2. 1 Bolt Clamp File:Idler Clamp 1 Bolt.fcstd
  3. 2 Bolt Clamp File:Idler Clamp 2 Bolt.fcstd
  4. 3 Bolt Clamp File:Idler Clamp 3 Bolt.fcstd

Hydraulics Part Library

  1. 45 GPM single spool motor valve
  2. 25 GPM double spool motor valve
  3. 1" NPT nip
  4. 3/4" NPT nip
  5. 1/2" NPT nip
  6. 1" NPT elbow
  7. 3/4" NPT elbow
  8. 1/2" NPT swiwel
  9. BSP female fitting, 1/2"
  10. BSP female fitting, 1/4"
  11. 1" NPT swivel
  12. 3/4" NPT sivel
  13. 1/2" NPT svivel
  14. 1" NPT tee
  15. 3/4" NPT tee
  16. 1/2" NPT tee
  17. 3/4" to 1/4" NPT reducer bushing
  18. 3/4" to 1/2" NPT reducer bushing
  19. 1/2" quick coupler male
  20. 1/2" quick coupler female
  21. 3/4" (28 gpm) ISO 7241-1 A quick coupler male
  22. 3/4" (28 gpm) ISO 7241-1 A quick coupler female
  23. 1/2" hydraulic check valve, 3000 PSI

Quick Attach System

File:MT-QA geometry.fcstd

File:Bobcat QA v3.fcstd

Attachments

File:MT Bucket.fcstd

File:MT Bucket+teeth.fcstd

File:Tooth Bar.fcstd

Modules



Presentations (Needs update)

Modules (Needs update)

  • GPS + Computer Vision - using standard phone gps, the tractor has a GPS unit to which the Feed Me App connects. Computer Vision helps guide the tractor.
  • Feed Me App - remote control smart phone app app combining GPS with computer vision to allow direct smart phone control,preprogrammed control, and computer vision assist which prevents the tractor from bumping into things
  • Control solenoids - connected to Arduino - these allow for automated motion of the tractor
  • Hydraulic control module - the hydraulic valves and circuit for running the tractor
  • Solar power cube - a small power cube that can run from a single power cube.
  • Power cube - the 16 hp base that is scalable and practical up to 160 hp
  • Hydraulic Reservoir module - it is the reservoir to which one can connect any number of power cubes
  • Cooler module - hydraulic fluid cooling system to itch can be attached any number of power cubes for cooling
  • Gasifier module - a gasifier burner that works with charcoal for providing fuel to the power Cube



See Also

Useful Links

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