|
|
| Line 136: |
Line 136: |
|
| |
|
| [[Image:Ose-conveyor-A-20160123.png|400px]] | | [[Image:Ose-conveyor-A-20160123.png|400px]] |
|
| |
| =october 2015=
| |
|
| |
| built another battery prototype. still having trouble storing a charge. looking at the voltage graph of the charge it looks like it is charging, but when i try to drain the battery it dies within seconds. im not sure, but im guessing that part of the chemical reaction is happening but not all. [[Nickel-Iron_Battery/Chemistry]]
| |
|
| |
| next steps. going to mix graphite into the iron. going to try some different charging procedures.
| |
|
| |
| =august 21, 2015=
| |
|
| |
| at FeF helping with the dozer build.
| |
|
| |
| drew up some design ideas for hydraulic systems for switching between parallel and serial circuits between motors.
| |
|
| |
| [[Bulldozer Hydraulics]]
| |
|
| |
| [[Image:Ose-dozer-hydraulicsB-20150821.png|600px]]
| |
|
| |
| [[Image:Ose-dozer-hydraulicsC-20150821.png|600px]]
| |
|
| |
| =august 18, 2015=
| |
|
| |
| another mount for the cab
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u1fa644ad-f1d7-4c55-8436-72f85667c65f&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u1fa644ad-f1d7-4c55-8436-72f85667c65f
| |
|
| |
|
| |
| =august 16, 2015=
| |
|
| |
| sketched some rough ideas for cab mount. used some of the dimensions from [[LifeTrac 6]]
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u5e9808b8-8003-4d74-af5d-357a4f2b847b
| |
|
| |
| =august 11, 2015=
| |
|
| |
| tried some different mounting ideas for the backhoe pivot
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u76cbbefd-28e0-4e72-ae5d-48e0c683dd8c&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u76cbbefd-28e0-4e72-ae5d-48e0c683dd8c
| |
|
| |
| Added comment on tanks and bolt fit - [[Talk:Power_Cube_v15.6#tanks]]
| |
|
| |
| =august 9, 2015=
| |
|
| |
| getting ready to retrofit previous backhoe design onto new bulldozer work.
| |
|
| |
| *[[Backhoe_3/Pivot_Range_of_Motion_Calculations]]
| |
| *video of operation [https://www.youtube.com/playlist?list=PL6Jpysxw3Ty-oH4bggp32PR_rPWr8bKC1 youtube]
| |
| *[[Cory_Shenk's_Log#Backhoe]]
| |
| *[http://opensourceecology.org/smart-mob-open-source-backhoe-design-review/ smart mob work]
| |
|
| |
| notes:
| |
| *goal to use same chain links from other parts
| |
| **microtrac chain sections difficult to fit between mount structure and 3" pivot pin
| |
|
| |
| made a sketchup model attempting to put chain around existing pivot pin. was only able to get a total 100 degree range of motion. to get full 180 degrees will have to extend the pivot pin above/above main mount, or make changes to structure.
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=uaf6bb9c4-99da-42b8-b9a5-980cfde30f0d&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=uaf6bb9c4-99da-42b8-b9a5-980cfde30f0d
| |
|
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=uaf6bb9c4-99da-42b8-b9a5-980cfde30f0d
| |
|
| |
| to use the stock track chain with 3x8 cylinders, the system will need to be mounted below the pivot mount
| |
|
| |
| =august 4, 2015=
| |
|
| |
| bulldozer idea
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u966d9813-c950-4328-8f36-b6ff29af62c4&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u966d9813-c950-4328-8f36-b6ff29af62c4
| |
|
| |
| =august 2, 2015=
| |
|
| |
| ===quick attach===
| |
|
| |
| removed one of the 4x4s on the quick attach mount.
| |
|
| |
| '''I'''
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=ue3ff6d4a-759c-4890-9787-26c26e3bfe05&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=ue3ff6d4a-759c-4890-9787-26c26e3bfe05
| |
|
| |
|
| |
| ===arms===
| |
|
| |
| made some more mount ideas for the arms
| |
|
| |
| the puller seems to still have the best performance
| |
|
| |
| <html>
| |
|
| |
| <iframe width=1100 height=500 src="https://docs.google.com/spreadsheets/d/1aQeiENk6MHzdeZlHems5LpYl13mHXlYPHkAl5pTcOEc/pubhtml?gid=0&single=true&widget=true&headers=false"></iframe>
| |
| </html>
| |
|
| |
|
| |
| https://docs.google.com/spreadsheets/d/1aQeiENk6MHzdeZlHems5LpYl13mHXlYPHkAl5pTcOEc/edit?usp=sharing
| |
|
| |
| '''M'''
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u7618a250-9be6-4ee2-a46e-3f115488ab18&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u7618a250-9be6-4ee2-a46e-3f115488ab18
| |
|
| |
| '''L'''
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u16de80f7-630a-483f-901e-be39fe94a344&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u16de80f7-630a-483f-901e-be39fe94a344
| |
|
| |
| '''K'''
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=udb8d5acb-9917-4870-9af3-0d9ca0973406&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=udb8d5acb-9917-4870-9af3-0d9ca0973406
| |
|
| |
| '''J'''
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=uc64c8997-8db7-494e-b598-b0967cbc0ecf&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=uc64c8997-8db7-494e-b598-b0967cbc0ecf
| |
|
| |
| =july 31, 2015=
| |
|
| |
| arm syle with cylinders pulling from above
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u404fa204-5861-4db1-98ca-02c293ad087d&width=400&height=300&etp=im" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u404fa204-5861-4db1-98ca-02c293ad087d
| |
|
| |
| =july 15, 2015=
| |
|
| |
| mount for forward crylinder
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=ud05ae13a-6142-4ebf-8494-696844150f8f&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=ud05ae13a-6142-4ebf-8494-696844150f8f
| |
|
| |
| =july 14, 2015=
| |
|
| |
| it looks like the full size bobcat standard attachment plate will just about fit the width of microtrac. trying to make it work with arms. still need to make hydraulic cylinder geometry work.
| |
|
| |
| <html>
| |
|
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u611b96c8-5479-420d-b12e-0acb75b85fc7&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u611b96c8-5479-420d-b12e-0acb75b85fc7&uploadsuccess=1
| |
|
| |
|
| |
| =july 13, 2015=
| |
|
| |
| <html>
| |
|
| |
| <iframe width=800 height=350 src="https://docs.google.com/spreadsheets/d/1aQeiENk6MHzdeZlHems5LpYl13mHXlYPHkAl5pTcOEc/pubhtml?gid=0&single=true&widget=true&headers=false"></iframe>
| |
|
| |
| </html>
| |
|
| |
| https://docs.google.com/spreadsheets/d/1aQeiENk6MHzdeZlHems5LpYl13mHXlYPHkAl5pTcOEc/edit?usp=sharing
| |
|
| |
| started spreadsheet on hydraulic lift capacity. need to do one to approximate tipping weight.
| |
|
| |
| =july 12, 2015=
| |
|
| |
| '''T=rFsinθ'''
| |
|
| |
| *for arm styleH
| |
| **r=20.4
| |
| **θ=12.2
| |
| **F=cylinder?
| |
| ***Area=?
| |
| ***psi=?
| |
|
| |
|
| |
| *54" from pivot to end of arm
| |
| *72.9 degrees
| |
|
| |
| =july 11, 2015=
| |
|
| |
| sketched a couple different arm configurations for microtrac
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u5456c737-4e1c-44a6-a0bb-3599bad7dd35&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u5456c737-4e1c-44a6-a0bb-3599bad7dd35
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u4fcf4728-0320-4dcf-8053-cde04e3b2b9b&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u4fcf4728-0320-4dcf-8053-cde04e3b2b9b
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u5dc84c10-a2ee-4ddb-a9b7-583d72a61161&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u5dc84c10-a2ee-4ddb-a9b7-583d72a61161
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u001c15f2-4a7f-4e39-b69d-bf048056645f&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u001c15f2-4a7f-4e39-b69d-bf048056645f
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u3b9f6478-0397-44fd-9a16-a832d7a8ebf5&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u3b9f6478-0397-44fd-9a16-a832d7a8ebf5
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u2d908e07-c133-4408-83be-8038bd85f531&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u2d908e07-c133-4408-83be-8038bd85f531
| |
|
| |
| <html>
| |
| <iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u62e667a7-870d-4443-bdb1-f5d745a1178b&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe>
| |
| </html>
| |
|
| |
| https://3dwarehouse.sketchup.com/model.html?id=u62e667a7-870d-4443-bdb1-f5d745a1178b
| |
|
| |
|
| |
|
| |
|
| |
| =july 5, 2015=
| |
|
| |
| [[Image:Ose-microtrac-tracks-20150705.png|400px]]
| |
|
| |
| [[File:Ose-microtrac-tracks-20150705.skp]]
| |
|
| |
| =june 26, 2015=
| |
|
| |
| [[Image:Ose-microtracB-20150626-2.png|400px]]
| |
|
| |
| [[File:Ose-microtracB-20150620.skp]]
| |
|
| |
| started doing some work on tracks. i think using the style where each sequential track is inner then outer will simplify welding work. will it create problems for sprocket rolling into gap? pinch point?
| |
|
| |
| i think the size of angle iron pads needs to be slightly smaller than pitch between rollers for space between
| |
|
| |
| need to hunt some plugins or converter, cant export sprocket from openscad and import into sketchup
| |
|
| |
| =june 23, 2015=
| |
|
| |
| For reference, see [[MicroTrac_2015_Concept]]
| |
|
| |
| [[File:Ose-microtracB-20150623.skp]]
| |
|
| |
| [[Image:Ose-microtracB-20150623.png|400px]]
| |
|
| |
| general updates and tweaks to tensioner
| |
|
| |
| =june 20, 2015=
| |
|
| |
| [[File:Ose-microtracB-20150620.skp]]
| |
|
| |
| [[Image:Ose-microtracB-20150620.png|400px]]
| |
|
| |
| sketched marcin's new layout idea. so far so good.
| |
|
| |
| put tensioner on small idler. might also need to figure out how to tension 12" pully in front of sprocket.
| |
|
| |
| [[Image:Ose-microtracB-20150620-2.png|400px]]
| |
|
| |
| marcin feedback/made some tweaks
| |
|
| |
| [[Image:Ose-microtracB-20150620-3.png|400px]]
| |
|
| |
| feedback marcin/changed the tensioner device
| |
|
| |
| thought the bolt might need to be torched out but on second look i think its alright
| |
|
| |
| =may 7, 2015=
| |
|
| |
| *added some small rollers.
| |
| **might be tricky to keep from getting caught on linkage of treads
| |
| ***perhaps find plastic/rubber wheels that would less likely catch
| |
| *might make front and back rollers larger diameter
| |
| **need more ground clearance
| |
| *might move rotor units apart 4 more inches
| |
| **longer track length to support more
| |
|
| |
| [https://drive.google.com/file/d/0BwxMMqGvwTM-MWczaUJDQlF4dUk/view?usp=sharing ose-microtrac-tracks1-20150507-2.skp]
| |
|
| |
| TODO:
| |
| *find dimensions of standard attachment plate
| |
| **design
| |
| *revisit other design/mounting options
| |
| **sketch model with both motors behind pc
| |
| ***utilize different length of track
| |
| *make 3d scale model for printing and testing
| |
|
| |
| [[Image:Ose-microtrac-tracks1-20150507-2.png|400px]]
| |
|
| |
| =april 29, 2015=
| |
|
| |
| updated [[File:Ose-trailer-high16-20150428.skp]] to have a platform attached to axle
| |
|
| |
| began work on microtrac tracks mounting. utilizing existing motor mounts. [[File:Ose-microtrac-20150429.skp]]
| |
|
| |
| [[Image:Ose-microtrac-20150429.png|400px]]
| |
|
| |
| =april 26, 2015=
| |
|
| |
| design sprint meeting on [[MicroTrac_2015]]
| |
|
| |
| =april 23, 2015=
| |
|
| |
| Added some more design proposals for trailers
| |
|
| |
| [[Lay-Flat_Trailer]]
| |
|
| |
| =april 22, 2015=
| |
|
| |
| tweaked the trailer design a little
| |
|
| |
| [[Image:Trailer-tilt-20150422.png|400px]]
| |
|
| |
| =april 20, 2015=
| |
|
| |
| [[Image:Trailerlibrary.jpg|200px]]
| |
|
| |
| First draft of trailer axle sketchup model:
| |
|
| |
| [[File:Print-traileraxel.skp]] - [https://3dwarehouse.sketchup.com/model.html?id=u33527a5c-1721-4dc0-90fa-76550cf486b3 Trailer Axle] at Warehouse (you can zoom and rotate below:
| |
|
| |
| <html><iframe src="https://3dwarehouse.sketchup.com/embed.html?mid=u33527a5c-1721-4dc0-90fa-76550cf486b3&width=400&height=300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" width="400" height="300" allowfullscreen></iframe></html>
| |
|
| |
| [[File:Print-traileraxel20150420.stl]]
| |
|
| |
| To see how these are used to make scale models, go to [[Lay-Flat_Trailer#Scale_Model_Rapid_Prototyping]]
| |
|
| |
| =april 8,2015=
| |
| had to order some more drill bits. some of the ones i got were super brittle and broke quick.
| |
|
| |
| think im going to try to build up the portuguese wiki pages. will also use it as an opportunity to test some best practices ideas. i'd like to have a clear table for versions, change log, approx number built, link to file landing page.
| |
|
| |
| :some examples i might incorporate
| |
| :*http://en.wikipedia.org/wiki/Android_version_history
| |
| :*http://reprap.org/wiki/Build_A_RepRap
| |
| :*http://pt.wikipedia.org/wiki/Wikip%C3%A9dia:P%C3%A1gina_principal
| |
| :*http://en.wikipedia.org/wiki/List_of_Ubuntu_releases#Table_of_versions
| |
|
| |
| =march 28, 2015=
| |
|
| |
| finished cleaning the holes of one side of one cage. i held it flat and poured water evenly over the holes. took about 6 seconds for it to drain through. continuing on.
| |
|
| |
| =march 18, 2015=
| |
| Sign up for osemail on wiki. Will return to dozer gear down.-MJ
| |
|
| |
| i used https://www.3dhubs.com/ to order some larger cages to compare and test out. [https://www.3dhubs.com/oklahoma-city/hubs/merrick the local guy] that printed them had a very high quality print with ABS, much better than my prints. even with a better print it appears the design as-is requires to have a lot of holes cleaned out.
| |
|
| |
| if battery proves viable, might attempt using a two material 3d print with dissolvable material in holes. or maybe hole design improvement is possible.
| |
|
| |
| in the mean time, going to clear out holes manually and might test larger cages next week.
| |
|
| |
| *design change
| |
| **might make the powder area smaller and leave upper part where lid inserts same size.
| |
|
| |
| =march 14, 2015=
| |
|
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| printed two larger cages. tested holes with some food coloring. put a few drops inside, filled sink with water up to top of cage, opened sink drain, able to see color come through holes that are open. it appears more than half of the holes are not open for water to flow through. going to try to get a small drill bit to quickly open up. also considered acetylene torch tip cleaners but i think they might be a fraction too big, and might not be able to cut into.
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|
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| if the design proves viable, hopefully i could fine tune print settings for more predictable hole success.
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|
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| [http://www.ebay.com/itm/CHICAGO-LATROBE-46601-Jobber-Bit-1-64-In-Cobalt-Steel-/221547966219?pt=LH_DefaultDomain_0&hash=item339549af0b 1/64 drill bit]
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|
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| [http://www.amazon.com/Mini-Micro-Drill-0-0160-6pcs/dp/B002T7HTFQ #78 drill bit]
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|
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| [http://www.grainger.com/product/STARRETT-Pin-Vise-2ZVG3?s_pp=false&picUrl=//static.grainger.com/rp/s/is/image/Grainger/2ZVG3_AS01?$smthumb$ pin vise]
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|
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| [http://www.grainger.com/product/GUHRING-Micro-Drill-2XFP5?functionCode=P2IDP2PCP micro drill bit]
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|
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| [http://uniweld.com/en/productlisting/296/48/accessories/spiral-tip-cleaners/no-tcm-detail tip cleaners]
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|
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| http://en.wikipedia.org/wiki/List_of_drill_and_tap_sizes
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|
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| <html>
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|
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| <iframe width="560" height="315" src="https://www.youtube.com/embed/UxYvg_vOBsY" frameborder="0" allowfullscreen></iframe>
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|
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| </html>
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|
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| =march 11, 2015=
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|
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| *ordered some nickel powder. readings say edison batteries had nickel flakes layered in the cells.
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| *going to print new cages double the height.
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| *might look over the ultra smart charger firmware
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| **would be nice to tweak some things if its not too difficult
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| ***if it it maxes over 2V lower the mAh's
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| ***disregard internal resistance errors
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| ***does a weird thing where it wants to discharge some before it charges
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|
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| need to read more about typical charge scenario
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|
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| also, found this nifty website to compare text http://text-compare.com/ , i think theres a bug in the cage scad file
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|
| |
| =march 8, 2015=
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|
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| *discharge data was poor
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| **voltage reached minimum after 15 seconds
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| **durring charging the part of the wires coming out of the cages were gassing the electrolyte.
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| ***cages were not charging
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|
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| it seems that the nickle wires coming out of the cages were alone acting as the electrodes. The resting voltage was around 1.2V which is in the range of what would be expected. i lowered the electrolyte level below the wires and it changed the charge behavior. voltage would max over 2V quickly. In the config I lowered the max charge mA to 1. used the NiCd trick to start charging. I expect the voltage will plateau quickly. will be interested to see if internal resistance changes. will let charge for a day.
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|
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| =march 5, 2015=
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|
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| *hooked up test battery to the ultrasmartcharger.com
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| **had minimal success, wouldnt recognize as a battery
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| **it would see it when in battery recovery mode
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| **but would immediately errorr bc max voltage of 2V around 2.04V
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| *found the custom [http://www.ultrasmartcharger.com/phpBB3/viewtopic.php?f=3&t=68 configuration utility] on their website
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| **tried to tweak max voltage but even the custom max is 2V
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| **after a few tests tried lowering the charge currernt to very low
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| ***set to 10
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| *tricked the charger by tapping a AA NiCd battery on the leads before the charge
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| **not sure if this actually made a difference but it seemed to help
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| **running firmware 0.524
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| *charging continued without error led flashing
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|
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| after a few hours i pulled the SD card to check the data. the data seems to show that the cell was increasing its voltage. and was indicating it had reached about 25mAh. i assume that is calculated and not truly measured like voltage. in the next couple days i plan to run a full charge, discharge, charge, discharge, charge analysis. i think that will give a true capacity rating.
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|
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| here are the data for the fist charge attempt [https://docs.google.com/spreadsheets/d/1M6tXRpsHZgIKi1d6b9bUxMs2JmeDEeli_B36ayJOHfY/edit?usp=sharing google doc]
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|
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| [https://drive.google.com/folderview?id=0BwxMMqGvwTM-S3JTT0Uwb1o2cUU&usp=drive_web pictures]
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|
| |
| =feb 28, 2015=
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|
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| *test charging some standard NiCd batteries to get acquainted with how the charger/analyzer works
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| **[http://www.ultrasmartcharger.com/phpBB3/viewtopic.php?f=5&t=88 Posted results on their forum]
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|
| |
| =jan 31, 2015=
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|
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| *took delivery of the [http://www.ultrasmartcharger.com/ battery charger/analyzer]. instructions say the memory card can only be 2gb max.
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| **[http://www.walmart.com/ip/PNY-2GB-Premium-Secure-Digital-Memory-Card/11078643?action=product_interest&action_type=image&placement_id=irs_top&strategy=SMT&visitor_id=86924686113&category=0%3A3944%3A133277%3A132913%3A63988&client_guid=bcbd57dc-bd7e-4c5b-a8d6-6e04470b98df&config_id=2&parent_item_id=10242116&guid=6d1dbc62-4325-4cd3-9e70-64df2644cb52&bucket_id=irsbucketdefault&findingMethod=p13n need one of these]
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| **need to format to fat16 [http://www.tomshardware.com/forum/278925-32-formatting-card-fat16#6061880]
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| *will probably finish cleaning up the groove stuff this week
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| *might start looking at [[User:Dorkmo/Ideas/Stepper|stepper stuff]] soonish
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|
| |
| =jan 3 2015=
| |
|
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| *cage floats in water, need to constrain
| |
| **going to use two inward divots, upper and lower, on narrow sides of cages. will mate with wall outie divots
| |
| ***add sphere r=caage endwal thickness + divot radius. then subtract divot
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| ***or maybe just make endwall thicker. k.i.s.s.
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