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Well, I'm back after throwing my back out (from shoveling, not lugging batteries)..... Anyway, the buddy pack is assembled and "balanced" by...
buddy1 - this is a step-by-step first charge of the buddy pack on the bench
I get virtually everything on EBay.............
That's what I should have done, but I already had a well balanced 2KWH string...it took 4 days anyway.....with a little luck it will be back in...
That's 0.4 ohms..or ~15 amps on a 6 volt "battery". (~7.5A on the 3 volt parallel cells) The load I use on the whole 48V pack is ~ 2.5 ohms or...
Playing the initial balancing game..... [IMG]
PC150102 - playing the initial balancing game....
Made up some permanent straps (Jack is out of them) to replace the temporary ones. Made from scraps of 0.065" copper electrical buss strap. [IMG]
PC150101a - homemade straps out of 0.065" scraps of electrical buss copper.
The full set... (note the 5 temporary "straps") [IMG]
PC120098 - 4 left and 4 right "buddy" 6 Volt packs. (5 temporary "straps" while I make permanent ones)
Here's my understanding of this gobbledegook..... The "traction motor" acts as a motor when driving the wheels w/ power from the batteries and...
Here's a shot of the "buddy" cell setup. The Anderson connectors are for testing and balancing, NOT the main current flow. This cell is a...
PC070097 - a "buddy" cell setup.
Let us know what you find .... they could be very usefull ! What have you seen so far ??/
They all behaved fine for the first few weeks. Then I suddenly noticed that the range dropped and I was only getting 0.8KWH per cycle. When I...
OK, here's the way I installed the prototype 2010 case. I decided that the nut plates that came w/ the case would be tough to get into the...
PC030084a - to make these work, I used 1/2" holes and 2 fender washers per hole to stiffen the sheet metal and make up the grip thickness.
PC030089 - it all fits !
PC030087 - the right side rail bolted in place.
