Recent content by grifftek

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    Any interest in hackerspace in Irvine, California USA

    I don't know about exotic, but the idea would be to provide some machines and capabilities most people wouldn't likely have in their garage, but maybe I am way off on this. Bill
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    Any interest in hackerspace in Irvine, California USA

    Sorry, I had typed Irvine, CA into the subject but apparently exceeded the character count for the subject line! This is Irvine CA USA
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    Any interest in hackerspace in Irvine, California USA

    Hi Would any ES members be interested in a hacker space in the Irvine CA area? This space would be setup to cater more to engineering types rather than crafters / wood workers. There would be 3d printing technology, cnc milling (full sized machining center), cnc router, cnc PCB mill, cad cam...
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    Fitness and ebiking

    Im glad I found this thread! I have been riding my a2b metro since last newyears eve day. I have logged about 1200 miles and I never get a free ride, I always pedal for all im worht. I ride it mostly to commute to work but also ride it on weekends and evenings as well when I can. I have saved a...
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    SoCal Willow Springs Raceway Saturday June 18, 2011

    Hi All I have a few pics and some video you can check out. hopefully others will make their pics available http://tinyurl.com/3v4zswd Bill Griffin
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    SoCal Willow Springs Raceway Saturday June 18, 2011

    Are there any socal E-Bike riders or spectators going to this event. I woudl like to go but dont want to be the only ebike guy there! Bill
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    The Willow Springs Carpool thread for socal June 18 '011

    Are there any socal E-Bike riders or spectators going to this event. I woudl like to go but dont want to be the only ebike guy there! Bill
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    Building a pack using salvage 18650 cells

    thanks for the nice comments! Did you look at the other enclosures I drew up in solidworks? they use standard aluminum tubing. http://www.grifftek.com/grifftek/Other_Fun_Projects_and_Hobbies/a2b_9p10s_box/...
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    Building a pack using salvage 18650 cells

    I have built a pack from these 18650 cells taken from new old stock laptop batteries. You can read the post here: http://endless-sphere.com/forums/viewtopic.php?f=14&t=25890 We only have a few rides on the pack so far but it seems to work just fine. feel free to check out the bikes at...
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    My first ebike battery build, 12p10s for A2B Metro

    BMS Success! After having a problem with the BMS from Tenergy and not being able to resolve the issue after 2 weeks then being told that I needed to send the old board back first before they could issue a replacement I gave up on them and just asked for a refund. we will see if they come...
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    My first ebike battery build, 12p10s for A2B Metro

    I heard from our service tech that 3d systems bought out one of the DIY fdm companies and is offering their system for sale. He told me that you have to assemble it yourself. I havent verified this. I had seen a rep pap type machine that had up to 4 heads so you could print in 3 colors and have...
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    CNC Beginner Fun

    Is there anyone out there who is serious about building or retrofitting a machine for cnc? I have a lot of surplus parts for building machines, servos, steppers, linear rails, ball screws, acme screws, lead scews with super nuts, linear actuators etc. If your serious and want to discuss it...
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    CNC Beginner Fun

    What you are ecperiencing is one of the disadvantages of the type of system you have. To get around this you can home the machine to the limit switches (assuming this is a repeatable home position) from this zero location you then find your fixture offset. I just write this number dowy (XYZ)...
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    My first ebike battery build, 12p10s for A2B Metro

    That is a bag my son puts his itouch in. I don't have. Any instrumentation for a dash yet. I know the costs are crazy still sls is alot more expensive than fdm over 14k per 100kilos not to mention mach cost maint and. Operating costs Bill
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    My first ebike battery build, 12p10s for A2B Metro

    For comparison sakes you can see two bikes side by side, one with the factory B battery and the one I made: http://tinyurl.com/6lfzrz3 Bill
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