12-19-2023, 10:42 AM
I agree, potential range should be much improved.
When the 7s batteries fall from 29.4 to below, 26ish volts, the loss of torque and top speed is, now, easily noticed, even though there might be close to half the potential range left in the pack.
This loss could be the shitty 'aladdin' ESC, but the smaller board also suffers significant torque loss at ~50% battery.
The small boards 7s battery already seems to be losing voltage retention ability, likely as it uses crap cells and thin seriezs interconnects, but also as the stock charger will kver harge the cells, and i allowed this to occur 2 or three times before limiting max voltage with my xl4015 buckers.
Both of my 7s premade batteries are destined for disassembly, and i will have 3 7s ESCs with no purpose. This bothers me. but......
The batteries I assemble, with higher CDR cells and copper series interconnects, along with their higher capacity, should deliver the max torque and speed for far longer, and total range too.
going from 25.2v nominal to 36v nominal means significantly more top speed, but the ESC rpm limits have a say in that too and is a unknown variable at this point.
i ordered 2 dc to dc voltage boosters which can hit 42v , a 150watt version, and a 400 watt version, via ebay
One 150 watt arrived the day after it said it shipped, via amz prime, and a second 150 wTt one arrived a few days later.
the 400watt version says ' a tracking number was provided, for a week now, but with a tomorrow e expected delivery date
No idea what is going on. If charging elsewhere, without my 12vdc system handy to run the booster at 42v, means using 40 watt 7s acdc charging brick, or bricks in parallel, for 80 watts, but i kinda fear running the bricks in parallel. But charging elsewhere likely means desiring a higher charge rate than 40 watts.
thats a case for having more capacity so that charging elsewhere, carrying an ac based charger, is not necessary.
With esk8 and wheels in kayak, i can launch from point A, disembark at point B several miles away, and cruise home. My 7s2p is getting weak after two miles of towing duty, so A and B distance delta is limited.
Walking the kayak without a Fiona counterbalance in rear well, is no fun, and no way does she stay in there if walking new territory.
My bigger kayak cart wheels should reduce drag to some unknown degree, but need significant modifications to work properly. The smalller wheels will ride softer , as they have a softer perimeter.
Once i mod the kayak cart for.bigger wheels, the small wheels become useless, so its a commitment, and me dislikes do ohs
...
The extra ~900 mah capacity of the BFN jst'd 3s pack, over the worn 3s LG ryobi packs is easily noticed.
I Think the 3s leaf spring cell holder, is no longer worthy of reliable use.
That center cell is always low, and after just 3 cycles has a 500 milli volt delta, severely unbalanced.
When the 7s batteries fall from 29.4 to below, 26ish volts, the loss of torque and top speed is, now, easily noticed, even though there might be close to half the potential range left in the pack.
This loss could be the shitty 'aladdin' ESC, but the smaller board also suffers significant torque loss at ~50% battery.
The small boards 7s battery already seems to be losing voltage retention ability, likely as it uses crap cells and thin seriezs interconnects, but also as the stock charger will kver harge the cells, and i allowed this to occur 2 or three times before limiting max voltage with my xl4015 buckers.
Both of my 7s premade batteries are destined for disassembly, and i will have 3 7s ESCs with no purpose. This bothers me. but......
The batteries I assemble, with higher CDR cells and copper series interconnects, along with their higher capacity, should deliver the max torque and speed for far longer, and total range too.
going from 25.2v nominal to 36v nominal means significantly more top speed, but the ESC rpm limits have a say in that too and is a unknown variable at this point.
i ordered 2 dc to dc voltage boosters which can hit 42v , a 150watt version, and a 400 watt version, via ebay
One 150 watt arrived the day after it said it shipped, via amz prime, and a second 150 wTt one arrived a few days later.
the 400watt version says ' a tracking number was provided, for a week now, but with a tomorrow e expected delivery date
No idea what is going on. If charging elsewhere, without my 12vdc system handy to run the booster at 42v, means using 40 watt 7s acdc charging brick, or bricks in parallel, for 80 watts, but i kinda fear running the bricks in parallel. But charging elsewhere likely means desiring a higher charge rate than 40 watts.
thats a case for having more capacity so that charging elsewhere, carrying an ac based charger, is not necessary.
With esk8 and wheels in kayak, i can launch from point A, disembark at point B several miles away, and cruise home. My 7s2p is getting weak after two miles of towing duty, so A and B distance delta is limited.
Walking the kayak without a Fiona counterbalance in rear well, is no fun, and no way does she stay in there if walking new territory.
My bigger kayak cart wheels should reduce drag to some unknown degree, but need significant modifications to work properly. The smalller wheels will ride softer , as they have a softer perimeter.
Once i mod the kayak cart for.bigger wheels, the small wheels become useless, so its a commitment, and me dislikes do ohs
...
The extra ~900 mah capacity of the BFN jst'd 3s pack, over the worn 3s LG ryobi packs is easily noticed.
I Think the 3s leaf spring cell holder, is no longer worthy of reliable use.
That center cell is always low, and after just 3 cycles has a 500 milli volt delta, severely unbalanced.
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