User:Dorkmo/Log: Difference between revisions

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=To Do=
=To Do=
[[Dorkmo To Do List]]
[[Dorkmo To Do List]]
[[LifeTrac v2025]]
=Feb 2, 2026=
* added motor mounts and wheel shafts.
* need to fix wheels and tires
[[File:Lifetrac v25 animation-20260202.gif|frame|center]]
=Jan 31, 2026=
: '''Meeting Notes and TODO'''
* 10-14 gpm bidirectional solenoid valves open center
* Qwiic LoRa Digi joystick
** connect LoRa to arduino onboard lifetrac?
* Check to see what can be exported to FreeCAD
** Use [[FreeCAD Plumbing Designer]] as a guide
* Parking break?
* Flat platform between machine walls above wheel motors to attach powercube and aux engines
* Focus on wheels instead of tracks for now. Airless Tires.
** Could use 2x6 square tubing through walls from side to side to mount outer universal track bearings
* 60hp total machine target
* Build bench top wireless and solenoid control system
* June
=Jan 25, 2026=
* About finished with general arm code. will need to input actual hydraulic ram gemoetry later.
* A few little bugs
** crossbeam too long, colliding with arm's square tubing
** add missing holes for cross beam angle iron on the outside plates of the arms
** need to lower side walls a few inches to avoid big pinch point
** need to move the arm's main hydraulic cylinder attach point to the walls so that it doesnt collide with machine's back plate.
* need to adopt/design quick attach plate from previous OSE work
* need to select wheel motor and mounting design
* need to add a few more structural plates on bottom of machine and perhaps top area below arms
* need to add engine and hydraulic pump mounting system
[[File:Lifetrac v25 animation-20260131.gif|frame|center]]
=Jan 2, 2026=
'''Good work - MJ''' I had good luck on ChatGPT produxing real designs via freecad macros. See the spindle I designed. Try to integrate chat. I think we can getbchat to donreal FEA via frecad macros too.
Been using Gemini 3 in visual studio. It seems to do a better job of understanding spacial ideas and locations when described in text. makes a good pairing for openscad.
going to have it make notes of ai sessions here : https://github.com/OpenSourceEcology/LifeTrac/blob/main/LifeTrac-v25/AI%20NOTES/conversation_log.md
On January 2, 2026, a session fixed visual issues and optimized hydraulic cylinders for the LifeTrac V2.5 loader arm in OpenSCAD by correcting bucket cylinder misalignment using actual arm tip coordinates. Upgraded from a 16-inch to 18-inch stroke through iterative mounting adjustments, aligning the crossbeam with physical arm cutouts while adding diagnostics. Final setup resolved visuals, geometry, and constraints with optimized stroke and positions.
[[File:Lifetrac v25 animation-20260102.gif|frame|center]]
=Dec 12, 2025=
*Trying out Google Gemini 3. seems to do a good job.
[[File:Lifetrac v25 animation-3.gif|frame|center|LifeTrac v25 Animated GIF Dec 12, 2025]]
=Dec 9, 2025=
*Tweak camera view
[[File:Lifetrac v25 animation-2.gif|frame|center|LifeTrac v25 Animated GIF Dec 9, 2025]]
=Dec 7, 2025=
*Talking to github AI (Claude Opus 4.5) with VS Code plugin.
**Created first draft of LifeTrac v25 machine design using purely AI prompts for OpenSCAD.
**Process is render openscad, look for errors, tell AI about errors, apply changes, re-render and repeat.
**Claud 4.5 seems to be a bit better than GPT 5.1 Codex Max in understanding physical world of openscad
[[File:Lifetrac v25 animation.gif|frame|center|LifeTrac v25 Animated GIF Dec 7, 2025]]
=oct 16, 2025=
*Clean up v25 lifetrac bom
*: https://github.com/OpenSourceEcology/LifeTrac/pull/42
*Need to ask about what style this lifetrac structure design will be
=Oct 9, 2025=
*asked github copilot to create render of browser control website
*: https://github.com/OpenSourceEcology/LifeTrac/tree/main/LifeTrac-v25#raspberry-pi-web-controller
=Sep 30, 2025=
Looking at valve options
Parker makes a 8gpm 3 position proportional control cartridge valve. dsp105c1
https://ph.parker.com/us/en/product/directional-control-proportional-valves/dsp105c1
=Sep 25, 2025=
*Ordered Burkert 8605 316532 Proportional valve controller
*Ordered Brand Hydraulics PEFC12-20-12 20gpm proportional valve


=Feb 3, 2020=
=Feb 3, 2020=

Latest revision as of 04:54, 3 February 2026

/2011 /2012 /2013 /2014 /2015 /2016 /2017 /2018

To Do

Dorkmo To Do List

LifeTrac v2025

Feb 2, 2026

  • added motor mounts and wheel shafts.
  • need to fix wheels and tires
Lifetrac v25 animation-20260202.gif

Jan 31, 2026

Meeting Notes and TODO
  • 10-14 gpm bidirectional solenoid valves open center
  • Qwiic LoRa Digi joystick
    • connect LoRa to arduino onboard lifetrac?
  • Check to see what can be exported to FreeCAD
  • Parking break?
  • Flat platform between machine walls above wheel motors to attach powercube and aux engines
  • Focus on wheels instead of tracks for now. Airless Tires.
    • Could use 2x6 square tubing through walls from side to side to mount outer universal track bearings
  • 60hp total machine target
  • Build bench top wireless and solenoid control system
  • June

Jan 25, 2026

  • About finished with general arm code. will need to input actual hydraulic ram gemoetry later.
  • A few little bugs
    • crossbeam too long, colliding with arm's square tubing
    • add missing holes for cross beam angle iron on the outside plates of the arms
    • need to lower side walls a few inches to avoid big pinch point
    • need to move the arm's main hydraulic cylinder attach point to the walls so that it doesnt collide with machine's back plate.
  • need to adopt/design quick attach plate from previous OSE work
  • need to select wheel motor and mounting design
  • need to add a few more structural plates on bottom of machine and perhaps top area below arms
  • need to add engine and hydraulic pump mounting system
Lifetrac v25 animation-20260131.gif

Jan 2, 2026

Good work - MJ I had good luck on ChatGPT produxing real designs via freecad macros. See the spindle I designed. Try to integrate chat. I think we can getbchat to donreal FEA via frecad macros too.

Been using Gemini 3 in visual studio. It seems to do a better job of understanding spacial ideas and locations when described in text. makes a good pairing for openscad.

going to have it make notes of ai sessions here : https://github.com/OpenSourceEcology/LifeTrac/blob/main/LifeTrac-v25/AI%20NOTES/conversation_log.md

On January 2, 2026, a session fixed visual issues and optimized hydraulic cylinders for the LifeTrac V2.5 loader arm in OpenSCAD by correcting bucket cylinder misalignment using actual arm tip coordinates. Upgraded from a 16-inch to 18-inch stroke through iterative mounting adjustments, aligning the crossbeam with physical arm cutouts while adding diagnostics. Final setup resolved visuals, geometry, and constraints with optimized stroke and positions.

Lifetrac v25 animation-20260102.gif

Dec 12, 2025

  • Trying out Google Gemini 3. seems to do a good job.
LifeTrac v25 Animated GIF Dec 12, 2025


Dec 9, 2025

  • Tweak camera view
LifeTrac v25 Animated GIF Dec 9, 2025

Dec 7, 2025

  • Talking to github AI (Claude Opus 4.5) with VS Code plugin.
    • Created first draft of LifeTrac v25 machine design using purely AI prompts for OpenSCAD.
    • Process is render openscad, look for errors, tell AI about errors, apply changes, re-render and repeat.
    • Claud 4.5 seems to be a bit better than GPT 5.1 Codex Max in understanding physical world of openscad
LifeTrac v25 Animated GIF Dec 7, 2025

oct 16, 2025


Oct 9, 2025

Sep 30, 2025

Looking at valve options Parker makes a 8gpm 3 position proportional control cartridge valve. dsp105c1 https://ph.parker.com/us/en/product/directional-control-proportional-valves/dsp105c1

Sep 25, 2025

  • Ordered Burkert 8605 316532 Proportional valve controller
  • Ordered Brand Hydraulics PEFC12-20-12 20gpm proportional valve


Feb 3, 2020

  • ordered heat sinks and fans for circularknitic power electronics

Jan 8, 2020

  • assembling rotoknitic
  • email correspondance on circularknitic

Tue Jan 7, 2020

RotoKnitic v19.01. Knitic Genealogy.

April 29, 2019

April 27, 2019

  • perhaps could define p4clear possibly as low as 1/2 of -p4rampH? maybe -1/3*p4rampH ?
    • this would reduce needle travel and shrink mountain
  • Applied to show CircularKnitic at MakerFaireTulsa https://tulsa.makerfaire.com/

April 21, 2019

April 20, 2019

Mar 2, 2019

  • Circular knitic build and design changes

Feb 16, 2019

  • started a BOM scad file to auto generate bolt size/length/count output
    • formatting is not very user friendly but nice to have calculated output

Feb 15, 2019

Jan 19, 2019

  • worked on knitic
    • changed to a printed drive gear
      • avoiding a $6 single source part
    • added holes for stepper motor
      • could use regular DC, but in the future might use steps to customize mountain use
    • changed table top to octogon, added holes for mounting legs
      • calculating tabletop OD using stepper motor width and gear sizes
    • added some needles to the full assembly model to check placement
    • need to add bolts to smallbearingholder to make sure the nut/head dont hit anything

Jan 15, 2019

  • Review CEB Press Controller v19.01
  • more circular knitic work, tweaking the Z bearing holder to be more printer friendly
  • searching for local CNC Laser cutting shops for hire, found 4 or 5

Jan 2, 2019

Jan 1, 2019

  • cleaning up circular knitic design
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