diy solar

diy solar

I have a new electric truck getting shipped to me.

I personally prefer the batwing deployment, but some will default to the phoenix. Either way unless you are in Arizona or Gotham, or have access to cheap labor, some tidal fish bobs have more efficiency... again, personal choice.
 
stienman said:
20,000 AA cells in a 100p200s pack will run the truck at full 48kW power for 20-30 minutes, which is enough to get across town and buy more batteries.

I advise getting them in bulk. A pallet of 48,960 AA alkaline cells will be a touch over $7,000, and should give you well over an hour of driving, with one stop to change batteries in the middle. I'm pretty sure your truck can hold at least 10 pallets, so a full 8 hour shift of driving is easily possible, with an average cost of under $7,000 per hour and NO carbon emissions WHATSOEVER! Obviously this is far better than any old gas vehicle, and the cost is surely worth it. Disposing of the batteries is a minor detail, and inconsequential given the benefits of a non-carbon emitting truck.
Click to expand...
BTW, you don't have to stop to change batteries. Hire cheap labor to change batteries while driving, and build the batteries in several banks with breakers so a bank can be turned off while its cells are replaced. Or give the worker high voltage gloves and welding goggles - your choice.

Finding someone with the skills to change 12 batteries per second might be a little tough, particularly in today's job market, but NO CARBON EMISSIONS, so, again, totally worth it.

Since they come in cartons of 720, you can probably develop a special battery holder that allows you to shove the carton in, cardboard and all, and the holder would clamp piercing contacts on each face of the carton to make contact with all 720 cells at once. One case per minute should be doable for the worker.

You might think a full time employee is expensive, but for $15/hour they would manage one pallet per hour, which is only a 0.2% increase in the cost of a pallet.

Since you'd not be using the full capacity you could then resell the batteries and recover most, if not all, of the cost. Due to the mechanism they'd still be packaged and ready to go, and the contact point holes would merely be evidence that you tested them under heavy load for their assurance.

Now I'm thinking it would be a popular and funny youtube video to buy a pallet, build the piercing holder, and power my house for a week on AA batteries. Used efficiently each case is nearly 2kwh, with a pallet being about 120kwh.
 
stienman said:
BTW, you don't have to stop to change batteries. Hire cheap labor to change batteries while driving, and build the batteries in several banks with breakers so a bank can be turned off while its cells are replaced. Or give the worker high voltage gloves and welding goggles - your choice.

Finding someone with the skills to change 12 batteries per second might be a little tough, particularly in today's job market, but NO CARBON EMISSIONS, so, again, totally worth it.

Since they come in cartons of 720, you can probably develop a special battery holder that allows you to shove the carton in, cardboard and all, and the holder would clamp piercing contacts on each face of the carton to make contact with all 720 cells at once. One case per minute should be doable for the worker.

You might think a full time employee is expensive, but for $15/hour they would manage one pallet per hour, which is only a 0.2% increase in the cost of a pallet.

Since you'd not be using the full capacity you could then resell the batteries and recover most, if not all, of the cost. Due to the mechanism they'd still be packaged and ready to go, and the contact point holes would merely be evidence that you tested them under heavy load for their assurance.

Now I'm thinking it would be a popular and funny youtube video to buy a pallet, build the piercing holder, and power my house for a week on AA batteries. Used efficiently each case is nearly 2kwh, with a pallet being about 120kwh.
Click to expand...
May I suggest a conveyor belt and a couple mechanical arms? No food, water or potty breaks!
 
Ok, the charger is 7.4KW so I could use an 8KW array and charge during daylight hours... a 16KW array tied to a 48KWH bank would allow charging 12H instead of only 6...
Yikes this is a big project.
I'm still wrapping my head around how large this truck is...
Today I will be unboxing the pair of batteries and digging into the truck wiring to see what I need to build.
I plan to take pics and video as I go...

Wish me luck.

God this thing is huge...
 
Supervstech said:
Ok, the charger is 7.4KW so I could use an 8KW array and charge during daylight hours... a 16KW array tied to a 48KWH bank would allow charging 12H instead of only 6...
Yikes this is a big project.
I'm still wrapping my head around how large this truck is...
Today I will be unboxing the pair of batteries and digging into the truck wiring to see what I need to build.
I plan to take pics and video as I go...

Wish me luck.

God this thing is huge...
Click to expand...
Get some hinges and small winches so you can leave the panels hanging down the side of the truck and then hit a button to move them up. If you mount some pulleys on metal conduit above the roof line you could adjust both sides to optimize tilt angle as well! Just don't hit the deploy button while driving, flying vehicles are heavily regulated.
 
Some pics
 

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Since the batteries delivered with the truck do not go with this truck, the cables are all different...
Bms cables different, etc...
I got a lot ahead of me here...
 
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