Designing My First eSk8

It’s all clear thanks a lot! I’ll go for above 50C rate cells and probably a 10S pack.

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Leave that hk motor mount alone its pretty cheapo. Hk sk8 motors are good as are the vescs and I would consider the graphene lipos from hk too they are in a different league, bit more money but if you are going to spend, spend on the battery.

@b264 soccer mum!

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One more thing, Unless uk pavements and roads have changed dramatically in the last 4 years then go for the bigger wheel option.

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I’m sure they did not change… :slight_smile: I’ll need to check the clearance with my deck for the 90mm wheels but will consider, maybe with raiser pads. For the battery I’ll also have a look at the graphene option. I’ve also spotted an 8000mah 5s option at 30C. What would you advise between more capacity or a better chemistry cell?

Discharge rate is what you want so the higher the c rating the better and the less sag you’ll get. I think the graphenes are all fairly high and unfortunately so is the cost but its the heart of your board so its money very well spent. Cheap batteries are false economy as you will upgrade them later trust me.

Wheels make a world of difference to riding comfort and if you are going to go on the pavements then bigger the better with some nice soft risers to help cushion. I run 97mm but am upgrading to 107mm for that reason and here in oz we have pretty good sidewalks and roads but the concrete beach tracks with expansion joints every 10m really work on your calves after a while. Anyway hope this helps and keep the build here with pics! good luck

Hello, I am planning on building a similar board and trying to decide on the battery. is there a big difference between 3000 MAH https://hobbyking.com/en_us/turnigy-graphine-3000mah-5s1p-45c.html and 5000 MAH https://hobbyking.com/en_us/turnigy-graphine-5000mah-5s1p-45c.html

Thank you

Your capacity will reflect the range. So 5000/3000 more range with the 5000 mAh roughly for the same rated voltage pack. Based on my build and calculations, I would get around 14km per charge.

Great. Thank you. I guess I will spend more money and get 2 of the 5000MAH 5S1P 45C.

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Just an update on my build. I have now ordered most of the parts (except the batteries): 57

I am still studying the battery as I am still unsure whether I go 25s or 52s 5000mAh batteries. As I am also over my budget already and will probably finish around £550, I try to find a good solution without compromising too much on C rate.

I am tempted by the graphene range from Turnigy expecting that those cells will last longer.

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37

Final update of the parts on my build. I went with 5S Graphene Lipo 5000mAh 45C. A bit more expensive than planned initially but worth it hopefully.

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Looking good man.

Will be a pain in the ass to charge these tho hahah

I plan to parallel charge at 0.5C on a balance charger. The case I chose is easy to open so I hope this won’t be too much hassle.

I also should have enough range for 2 to 3 days of commute.

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I’m looking forward to seeing how this works out, I just started looking at building an e skate after commuting on a Segway for the past few months but I’m tired of the Slow 10.9mph top speed and lack of easily being able to carry it.

My plan is to update as I build. I don’t have all the parts yet but will continue to post pictures and feedback on that thread.

Finally starting to receive parts. I have assembled the deck, trucks, wheels and bearings to give the board a test drive: 20180820_235214

I used DIY 6mm rubber pads to hopefully dampen vibration and raise the deck from the wheels: 20180820_235157

Bearings are venom brand and have a nice red and black touch that suits the board well. Wheels are 90mm ones: 20180820_235121

I have nearly everything except the motor and pulley which is stuck on backorder in Hobbyking HK. I’ll setup a Bluetooth module to communicate with the VESC and lights in the meantime.

Batteries turnigy graphene look very premium. Hope they serve me well!

This is what I bought in the end. Graphene 45C 5000mah.

“I also should have enough range for 2 to 3 days of commute”

Probably not.

What will happen is that you’ll enjoy the ride so much that you go the long way, just because you can. Certainly for the first few months you’ll be charging after every ride :slight_smile:

That’s exactly the plan :grin:

20180926_180318 Nearly finished with the electronics. I have planned for lighting from the battery and a Bluetooth module to connect to the vesc app.

I mounted the vesc on a module with a heatsink connected on the FETs both sides.

20180926_180518

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A bit late but I would of suggested that you went for a decent motor mount as this is where many problems come about. Also if your doing hills you need good brakes so a dual motor setup is what you want. Again with hills you will have belt slippage with single motor. What will happen you will end up paying for more in a short space of time for upgrades.

By the way loving the Tupperware but I suggest you make another as they don’t last long.

I understand your on a budget but you may have to spend another £200-300 for a board that will last a little longer.