Popular Post Chronic Posted October 1, 2020 Popular Post Share Posted October 1, 2020 (edited) The original battery pack is being removed and disassembled for battery expansion customization i think I'm trying for the first time. RS-C38 2520Wh (28.8Ah) and while disassembling, i share the identified improvements Mainboard layout changed from existing portrait mode to landscape mode The screws have been changed to hex bolts The heat dissipation effect is improved by applying a hollow motor to inhale air into the hole with a cooling fan The very uncomfortable grip of the MSX/MSP handle is rounded to improve the grip Since the motherboard build version is marked, you can check at a glance if the motherboard changes in the future. RS-C38 V13.3 version The entire bearing is a single shaft concept, and the load-bearing force has become quite strong and robust. It is also expected that some of the heat problems will be solved It seems to have been removed because there are many existing dual-light fan noise issues It completely supports dual charging by installing a separate PCB circuit without using multiple wires. The charging wiring is 16awg and supports/corresponds to more than 20A at maximum. but since the battery specifications of the product are different, be sure to check the specifications to see if your euc supports it It's the kind of tire pattern I don't like So I immediately switched to a different pattern of tires It's perfectly installed and clean Waterproof sealing, which was annoying on the MSP side shell, has been attached to the main shell I'll try my best to expand the battery Thank you Edited October 1, 2020 by Chronic 26 Quote Link to comment Share on other sites More sharing options...
Popular Post meepmeepmayer Posted October 1, 2020 Popular Post Share Posted October 1, 2020 Wow, fantastic post, thanks! The insides (cabling) look unusually clean for a Gotway 4 Quote Link to comment Share on other sites More sharing options...
Sai Posted October 1, 2020 Share Posted October 1, 2020 Amazing. Following your progress! 1 Quote Link to comment Share on other sites More sharing options...
Popular Post Number1stunner Posted October 1, 2020 Popular Post Share Posted October 1, 2020 (edited) I love this post and I love that holo motor its the game changer. I'm surprised it's a 60v motor and not like inmotion v11 that had the same size but 72v Edited October 1, 2020 by Number1stunner 4 Quote Link to comment Share on other sites More sharing options...
shellac Posted October 1, 2020 Share Posted October 1, 2020 (edited) @Chronic Are you able to check what kind of bearing it uses? Is it rubber sealed? Cool pics. Edited October 1, 2020 by shellac 2 Quote Link to comment Share on other sites More sharing options...
RagingGrandpa Posted October 1, 2020 Share Posted October 1, 2020 2 hours ago, shellac said: @Chronic Are you able to check what kind of bearing it uses? Is it rubber sealed? Yes - please please please remove a motor side-cover and take some photos of the bearing's markings! (And where did you find an H-666??? I'm jealous ) 2 Quote Link to comment Share on other sites More sharing options...
Nekko 2 Posted October 1, 2020 Share Posted October 1, 2020 4 hours ago, RagingGrandpa said: Yes - please please please remove a motor side-cover and take some photos of the bearing's markings! (And where did you find an H-666??? I'm jealous ) Here : https://fr.aliexpress.com/item/32883617308.html?spm=a2g0s.9042311.0.0.27426c37EP0ZES Although I switched from this to a knobby tire (MSX) and the knobby is awesome. 2 Quote Link to comment Share on other sites More sharing options...
jnx Posted October 1, 2020 Share Posted October 1, 2020 can you post a closeul of the pedal-motor assembly, looks like a weak point, for jumping and heavy riders 1 Quote Link to comment Share on other sites More sharing options...
Planemo Posted October 1, 2020 Share Posted October 1, 2020 10 hours ago, Chronic said: The screws have been changed to hex bolts I dont feel that the bolts were a problem. It was the brass inserts and (lack) of supporting plastic around them that was the issue. Unless they have increased the bolt head diameter of the hex bolts to help spread the load..? But again, pointless unless they also added extra material around the inserts and under the bolt heads. 10 hours ago, Chronic said: The entire bearing is a single shaft concept, and the load-bearing force has become quite strong and robust. It is also expected that some of the heat problems will be solved I must admit, the hanger assembly looks like it was pulled from a freight train. Stout isn't the word, and having 4 mounting bolts a good distance apart will really help load forces. The whole motor/hanger setup is a massive improvement IMO. 10 hours ago, Chronic said: It completely supports dual charging by installing a separate PCB circuit without using multiple wires. The charging wiring is 16awg and supports/corresponds to more than 20A at maximum. but since the battery specifications of the product are different, be sure to check the specifications to see if your euc supports it The issue I see with that is that in some ways it looks like a downgrade to me. The PCB only outputs 1 pair of wires. The older wheels had two pairs soldered directly to the plug, and each split off to each pack. Admittedly though, the older wheels only had one plug so that was the limitation. What I think they should have done on this RS is have 2 plugs AND 2 pairs of wires (1 pair to each plug). I guess the PCB can be binned though and simply solder up some wires yourself. At least you get 2x plugs though, which removes the 10A limitation of 1x GX plug. I guess Gotway felt that one pair of 16AWG was better than 2 pairs of (18/20AWG?) on the old wheels. Other than that, I really like the attempt at water proofing. Re it looking 'cleaner' in terms of wiring, I can't see any difference to the old wheels To be fair, although messy, they generally suffer very few problems. If it ain't broke... 1 Quote Link to comment Share on other sites More sharing options...
Chronic Posted October 2, 2020 Author Share Posted October 2, 2020 (edited) 17 hours ago, Planemo said: I dont feel that the bolts were a problem. It was the brass inserts and (lack) of supporting plastic around them that was the issue. Unless they have increased the bolt head diameter of the hex bolts to help spread the load..? But again, pointless unless they also added extra material around the inserts and under the bolt heads. I agree with you. GW shell materials are still of low cost quality with reduced cost and i think it is the role of fixing the spacing of the main shell a little more 17 hours ago, Planemo said: The issue I see with that is that in some ways it looks like a downgrade to me. The PCB only outputs 1 pair of wires. The older wheels had two pairs soldered directly to the plug, and each split off to each pack. Admittedly though, the older wheels only had one plug so that was the limitation. What I think they should have done on this RS is have 2 plugs AND 2 pairs of wires (1 pair to each plug). I guess the PCB can be binned though and simply solder up some wires yourself. At least you get 2x plugs though, which removes the 10A limitation of 1x GX plug. I guess Gotway felt that one pair of 16AWG was better than 2 pairs of (18/20AWG?) on the old wheels. I think there are likes and dislikes this charging method is one of my pursuits. It is never a downgrade in a typical environment, few euc can be charged with a current of 20a. Except for Monster Pro also maybe EX it couldn't be better than a bunch of 18awg 2 pairs, but this still parallelizes. Above all, it would be appropriate to see it as a response to the allowable current amount of the circular 5pin charging connector we have already tested 100.8V 12A current of one circular 5pin connector and verified that there is no heat generation and no problem with long-term use Thank you for your good opinion Edited October 2, 2020 by Chronic 3 Quote Link to comment Share on other sites More sharing options...
RagingGrandpa Posted October 2, 2020 Share Posted October 2, 2020 18 hours ago, Nekko 2 said: Here : https://fr.aliexpress.com/item/32883617308.html?spm=a2g0s.9042311.0.0.27426c37EP0ZES That's C1488, not H666... Quote Link to comment Share on other sites More sharing options...
Nekko 2 Posted October 2, 2020 Share Posted October 2, 2020 (edited) 1 hour ago, RagingGrandpa said: That's C1488, not H666... Sorry! Used to be you could order H666 through the very same link : Edited October 2, 2020 by Nekko 2 1 Quote Link to comment Share on other sites More sharing options...
Popular Post Chronic Posted October 8, 2020 Author Popular Post Share Posted October 8, 2020 (edited) Sharing custom battery extension information here The processed part was reinforced with epoxy Always make sure there is room for shrinkage tubes as they are packaged You can refer to the battery arrangement Edited October 8, 2020 by Chronic 7 Quote Link to comment Share on other sites More sharing options...
Popular Post Chronic Posted October 8, 2020 Author Popular Post Share Posted October 8, 2020 (edited) The work process is very demanding and the difficulty is difficult. This is something I don't want to do again The 24S4P pack on the left is almost completed This battery pack can check information such as cell voltage, current, and temperature sensor with smart bms. also control user-defined battery cell balancing Battery work is very dangerous, so always pay attention to insulation work and safety even a skilled me always works with tension unless you want to see fireworks in the house Work is nearing completion, and charge and discharge tests will be conducted Edited October 8, 2020 by Chronic 12 Quote Link to comment Share on other sites More sharing options...
BleepBloopBlop Posted October 8, 2020 Share Posted October 8, 2020 Very nice work! What is the capacity of the new battery pack? 1 Quote Link to comment Share on other sites More sharing options...
Popular Post Chronic Posted October 8, 2020 Author Popular Post Share Posted October 8, 2020 (edited) 32 minutes ago, BleepBloopBlop said: Very nice work! What is the capacity of the new battery pack? It's panasonic INR 21700 4800mAh 144 cells (24S6P, 2502Wh/28.8Ah) are packed It has a high discharge output of 15A or more at an instantaneous maximum discharge rate Edited October 8, 2020 by Chronic 12 Quote Link to comment Share on other sites More sharing options...
meepmeepmayer Posted October 8, 2020 Share Posted October 8, 2020 What is the final weight? 1 Quote Link to comment Share on other sites More sharing options...
BleepBloopBlop Posted October 8, 2020 Share Posted October 8, 2020 Could you link to the BMS units you are using? Are you running all of the discharge from both packs through the primary BMS? 2 Quote Link to comment Share on other sites More sharing options...
Michael Tucker Posted October 8, 2020 Share Posted October 8, 2020 Truly incredible work @Chronic...BRAVO!!! 1 Quote Link to comment Share on other sites More sharing options...
Popular Post Chronic Posted October 9, 2020 Author Popular Post Share Posted October 9, 2020 (edited) On 10/1/2020 at 9:36 PM, shellac said: @Chronic Are you able to check what kind of bearing it uses? Is it rubber sealed? Cool pics. On 10/2/2020 at 12:06 AM, RagingGrandpa said: Yes - please please please remove a motor side-cover and take some photos of the bearing's markings! (And where did you find an H-666??? I'm jealous ) sorry for the late reply guys I was too busy working on expanding the battery. Now that i almost finished, i have checked the bearing markings. But there is no marking this is sort of like a custom bearing specification. It is also a bearing made of synthetic rubber Edited October 9, 2020 by Chronic 8 Quote Link to comment Share on other sites More sharing options...
Lukasz Posted October 9, 2020 Share Posted October 9, 2020 14 minutes ago, Chronic said: sorry for the late reply guys I was too busy working on expanding the battery. Now that i almost finished, i have checked the bearing markings. But there is no marking Can You please measure the size of the bearing (internal diameter / external diameter and the width) ? Those are huge bearings - they add weight, but the whole wheel will be quite stiff and run for long time Quote Link to comment Share on other sites More sharing options...
Popular Post Planemo Posted October 9, 2020 Popular Post Share Posted October 9, 2020 That bearing size is mental I am probably more surprised that an EUC firm has actually fitted something that not only appears up to the job, but that it is probably OVER engineered for the requirements. Quite speechless tbh. (still shoulda used the golden opportunity to run fatter cables though...) 5 Quote Link to comment Share on other sites More sharing options...
EUC Custom Power-Pads Posted October 9, 2020 Share Posted October 9, 2020 (edited) 18 minutes ago, Lukasz said: Those are huge bearings - they add weight, but the whole wheel will be quite stiff and run for long time But the big hole weighs nothing Edited October 9, 2020 by buell47 1 Quote Link to comment Share on other sites More sharing options...
Lukasz Posted October 9, 2020 Share Posted October 9, 2020 Can You please also measure those distances: Quote Link to comment Share on other sites More sharing options...
EUC Custom Power-Pads Posted October 9, 2020 Share Posted October 9, 2020 53 minutes ago, Planemo said: That bearing size is mental I am probably more surprised that an EUC firm has actually fitted something that not only appears up to the job, but that it is probably OVER engineered for the requirements. Quite speechless tbh. (still shoulda used the golden opportunity to run fatter cables though...) Yeah, no we can jump without fear for a broken axle, but we cant make a turn without pedal scraping. 1 Quote Link to comment Share on other sites More sharing options...
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