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Re: My Dusty 71 GMCe Electruck
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once those three are individually loaded and bolted up, we simply flip that batch over - right side up
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and now we are ready for the top batch
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and there we have it, "The Stack" configuration (genius I tell yah, genius!)
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now every battery pack has it's pros and cons, be it a Tesla pack, a Nissan Leaf, or this BMW 530e, and this one is no different, one of the downsides of it is these unobtanium proprietary high voltage cables, it is a real challenge to reconfigure the standard pack layout whilst utilizing only the stock high voltage cables
some like this one joins two cell modules very smartly.... (we like, we approve) |
Re: My Dusty 71 GMCe Electruck
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by Gregski » Mon May 02, 2022 7:57 pm
here is one BMW 530e battery pack (Embedded Fun Fact: which consists of six cell modules, unlike the 330e which only has five) reconfigured in The Stack Formation, unfortunately we are unable to complete this arrangement because we are one cable short, technically we have the cable but it is just too short to join Cell Module #2 to Cell Module #3 |
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Ladies and Gentlemen, the Battery LifterUpper (TM)
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I'm a Simple Man, I see a gap... and I fill it!
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yes we did run out of gas... (no literally)
but we recovered, and one side's done |
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and onto the other side, having the frame rails level now is a total game changer
man I love a clean canvas |
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alright, let's load 'em up proper
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now I currently only have one pack installed here, but hopefully you'll get the idea how this design is meant to hold two of them, six cell modules on top and anther six upside down
this will yield 18.2 kWh so at 3.5 miles per kWh we guestimate a range of 63.7 miles keep in mind this is just a start, I can install more batteries under the bed |
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Excellent progress. I'll have to stop by to check this out in person next time I drive that way.
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so time to make a List for Phase I as I plan on doing or should I say NOT doing some stuff in this Phase that may be a bit controversial
PHASE I PROGRESS REPORT
Not happening in Phase I
the Controversial Section (we can thumb wrestle over these items if you like - by appointment only, ha ha) * Input Shaft, I want to dyno test the truck with only MG2 powering the rear wheels to see how much horse power it actually puts out in real life ** no Charger, this is the first of the radical ideas, why do we need a battery charger mounted on board permanently, isn't that the equivalent of driving around with your very own gasoline/petrol pump, can you imagine pulling up to SHELL or Chevron with your own pump mounted in the back of your truck? *** no BMS, eventually I plan on getting SimpBMS but it is just so expensive here in the States, I think they want $650 for the hardware |
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at first when I bought the Tesla charger I thought I could pull up in my converted electric truck to a Tesla charging station and charge, but that's not how it work's Elon Musk prevents you from doing just that, the charging station for a lack of a better term senses your car and you have to be in a genuine Tesla to use it ~ CONTROL VIA HARDWARE~ the other thing I learned is that donor EV components such as the chargers are controlled in one of two ways, either you have to lobotomize them, essentially rip out their logic board and replace it with a reverse engineered one, this is how the Tesla charger works ~CONTROL VIA SOFTWARE Type 1~ Or, you can control the charger in it's current original OEM shape without changing any of the hardware simply by learning what CAN Bus commands it needs to operate, that's how the Chevy Volt first gen charger works ~CONTROL VIA SOFTWARE Type 2~ another way to control a charger in it's OEM hardware form simply by using software is by figuring out what PWM signal to send to it, PWM aka Pulse Width Modulation, this is how the Chevy Volt second gen charger works hope this helps |
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another day another mock up, and I'm loving how it's turning out
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as much as I love this BMW 530e hybrid battery pack, it's Achille's heel has got to be the proprietary high voltage terminals, which call for the unobtanium plugs and wires, here I am trying to figure out how to use only the stock amount of high voltage cables to rewire it flat instead of two cell modules stacked on top like in the original implementation
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no I didn't just spend 4 hours drilling two holes in the most unreachable of places, who in their right mind designed these silly frame extensions?!?!
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tell me you're done with Fab without telling me you're done with Fab
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finally... no more Purple (sorry Prince, R.I.P.)
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the transmission crossmember also got sum red luv in our outdoor free range organic make shift paint booth
Bonus Points for clever use of not only exhaust pipes but exhaust U clamps, not like we're going to be needing them again |
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Painting =progress!!
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