Backhoe Log: Difference between revisions

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=Oct 19. 2012=
=Public Review Results, Nov 25, 2012=
*From  Ward Holloway <ward.holloway.jr@gmail.com> - [[File:bhreview.zip]] - The new supports can be cut from a square tube or channel. Two bolts per support may not be enough, I haven't run the load calculations yet. We can size everything once we have a design nailed down.
*Double design - allows same cylinder length - [[Image:bhdouble.jpg|500px]]
*Bottom of boom cylinder critique - not lifetime design due to bottom-facing cylinder
 
==Design Review==
*http://www.engineersedge.com/simple_levers_menu.shtml
*http://lizarum.com/assignments/physical_computing/2008/mechanisms/levers.html
 
=CAD=
*[[Media:OSE_-_Backhoe_-_Public_Review_Design_-_Final.dwb|OSE - Backhoe - CAD - Public Review Model.dwb]] - 11/17/2012
 
=Bill of Materials=
 
<html>
<iframe width='100%' height='300' frameborder='0' src='https://docs.google.com/spreadsheet/pub?key=0Aj7WbjRT9mlmdENrWXIwWVZhTU5xY2JWZkEtRDk0Wmc&output=html&widget=true'></iframe>
</html>
 
[https://docs.google.com/spreadsheet/ccc?key=0Aj7WbjRT9mlmdENrWXIwWVZhTU5xY2JWZkEtRDk0Wmc EDIT]
 
=Public Review=
 
==Backhoe Smart Mob==
 
<html>
<img src="https://docs.google.com/drawings/pub?id=1vx3S4ijAVvW7PYZ8umlDf85at1iWCWZLIsJJGApACM0&amp;w=728&amp;h=390">
</html>
 
*[https://docs.google.com/drawings/d/1vx3S4ijAVvW7PYZ8umlDf85at1iWCWZLIsJJGApACM0/edit Edit & View Public Comments]
 
=Log=
 
==Fri Nov 16, 2012==
*Call postponed to when design is finished.
 
==Nov 12, 2012==
[[Image:bhplate.jpg|300px]]
 
[[File:bhplate11122012.zip]] - VariCAD file. Download [[VariCAD Viewer]].
 
[http://opensourceecology.org/w/images/8/87/Open_Source_Ecology_-_Backhoe_-_Review_Design.zip Backhoe - Review Draft]
 
==Oct 23 2012==
I sent a valve back with Tristan. Its a top-quality very compact unit that has 9 valves. [http://opensourceecology.org/w/images/1/11/Rexroth_compact_backhoe_valve_drawing_r900754992-h-01zu_at_FeF.pdf PDF drawing].
 
Theres a few minor and major problems with the designs posted below. I will do a writeup as soon as i can.
 
==Oct 19. 2012==
<html><img src="https://docs.google.com/drawings/pub?id=16y7VVgtAbCpDDkqgLv_7WhjibEYdp3net10WgCXZlgw&amp;w=1100&amp;h=500"></html>
<html><img src="https://docs.google.com/drawings/pub?id=16y7VVgtAbCpDDkqgLv_7WhjibEYdp3net10WgCXZlgw&amp;w=1100&amp;h=500"></html>


[https://docs.google.com/drawings/d/16y7VVgtAbCpDDkqgLv_7WhjibEYdp3net10WgCXZlgw/edit edit]
[https://docs.google.com/drawings/d/16y7VVgtAbCpDDkqgLv_7WhjibEYdp3net10WgCXZlgw/edit edit]
<html><img src="https://docs.google.com/drawings/pub?id=1fKqtzIQaT-yjgESd-rURicNx6x0PUVIjrQ1FZ01C7Xo&amp;w=939&amp;h=366"></html>
[https://docs.google.com/drawings/d/1fKqtzIQaT-yjgESd-rURicNx6x0PUVIjrQ1FZ01C7Xo/edit edit]
[[Image:bhdouble.jpg|500px]]
==Monday, Oct 15, 2012==
==Monday, Oct 15, 2012==
[[File:Backhoe_-_Please_Review.zip]]
[[File:Backhoe_-_Please_Review.zip]]
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Use Ctr+Shift and click to rotate the view in 3D!
Use Ctr+Shift and click to rotate the view in 3D!
[[Category:Product Logs]]

Latest revision as of 02:20, 2 December 2012

Public Review Results, Nov 25, 2012

  • From Ward Holloway <ward.holloway.jr@gmail.com> - File:Bhreview.zip - The new supports can be cut from a square tube or channel. Two bolts per support may not be enough, I haven't run the load calculations yet. We can size everything once we have a design nailed down.
  • Double design - allows same cylinder length - Bhdouble.jpg
  • Bottom of boom cylinder critique - not lifetime design due to bottom-facing cylinder

Design Review

CAD

Bill of Materials

EDIT

Public Review

Backhoe Smart Mob

Log

Fri Nov 16, 2012

  • Call postponed to when design is finished.

Nov 12, 2012

Bhplate.jpg

File:Bhplate11122012.zip - VariCAD file. Download VariCAD Viewer.

Backhoe - Review Draft

Oct 23 2012

I sent a valve back with Tristan. Its a top-quality very compact unit that has 9 valves. PDF drawing.

Theres a few minor and major problems with the designs posted below. I will do a writeup as soon as i can.

Oct 19. 2012

edit

edit

Bhdouble.jpg

Monday, Oct 15, 2012

File:Backhoe - Please Review.zip


Wednesday 0ct 12, 2012

Bitmap Update 38.jpg


CAD

File:Boom.zip

Use Ctr+Shift and click to rotate the view in 3D!