Bafang REGEN! Talaria STUNTMAN. Questionable Motorcycling. WHAT IS GOING ON?!?

[@NoInfoFound]

Thanks for all the testing of the flipsky/BBSHD/Bafang motors

[@nemohunter87]

maybe he will upgrade that phone mount now lol

[@EBikeBuilder_]

THANK YOU!! 🙏 🙏 i woke up and saw the SuperThanks, That made my day! I do this for fun as a hobby, So i am SUPER STOKED that i can share it with other people, and they find value and entertainment from it!! Thanks a ton bro, i appreciate that so much! Your support will allow me to do more of what i enjoy, and create more content for everyone, THANK YOU !! 🙏🙏 🫡

[@jaybones614]

That look at the camera immediately after the crash had me dead

[@RAZORWlND]

You liking that regen, EbikeBuilder? "Ya, just a little bit!"

[@rufusirvin5279]

It's great that you finally have Regen. I see one spot weld, but the other welds are not. Welded for years and if you made 5 spot welds on that clutch it would hold just fine. Spot welds are easily ground off if the motor requires maintenance . The talaria boy was a rookie not able to handle the power and probably just got the bike. He had no control even on takeoff. Thought you had an open loop for freewheeling? You've been converted to the power of Regen. That motor is the 6T not the Grin. I'm sure I can hear the difference. This is your longest vid yet, Epic .

[@EBikeBuilder_]

the clutch assembly is welded But its a 25$ piece. And its not welded onto the axle. So i can still take it off, and put on a non - welded clutch, Or put new gears on the welded clutch, etc. It just slides onto the axle. REgen is sweet. Especially with the geared hubs, I guess. This is the 6.5T noisy Boy But in some Twist of fate, drilling 6 giant vent holes in both sides of the motor somehow didn't make it much louder / if not more quiet. But overall its pretty loud now with those nylon gears crunching the regen. The regen braking feels crazy strong even when its only on 55 or 60 phase amps. Feels like slamming on my MT210 budget hydros. This will save me so many brake pads. It was an epic ride indeed Lol Thanks for watching my friend !! 👍👍

[@EBikeBuilder_]

it sounds different because I installed those "questionable nylon gears" that I got on ali express. 7 bucks for the 3 gears. LOL I put them on already, because I wanted to see what would happen. And then i drilled 6 vent holes in each side of the motor. But some how the new questionable nylon gears actually sound more quiet. So I dont know maybe something about the bafang OEM gears with all the additional metal and parts on them are louder. But these questionable 7$ nylon gears gears are holding up at 75 phase amps so far

[@georgerenolds859]

you being speachless after the dude crashed makes it even better even the way he looked up at you i am dying right now

[@EBikeBuilder_]

lmao i was just like wtf

[@rymalia]

I’m not even a third of the way thru this and it’s already the best episode EVER. 😂

[@EBikeBuilder_]

it was a banger 🤣👍

[@kmaclub143]

I got a ford mustang and bronco E bike ad in your video. 4k e bike on a diy channel.

[@nicod974]

Regen causes the shaft to damage dropout because it's constantly moving backward and forward, the torque arm must be custom made to a 100th of mm so there is no play whatsoever. Some people adjust the play with thin aluminium plates but i recommend to go ask a CNC metal worker and design a custom arm and fittings. In my country if you witness an accident, you have to assist the road user... If you don't, you may get sued for non assisting a person at risks. The USA is a selfish country i'll never understand.

[@mustardpikachu3597]

Some countries like China if you assist people in accidents you become liable for them.

[@EBikeBuilder_]

Lol, if I stopped to ask that guy on the Harley if he was OK, he would have attacked me. He looked pissed there was no good possibility that could have came from me speaking with him LOL

[@EBikeBuilder_]

ive noticed Yeah the threads on the axle of the motor are really scraping on the dropouts and torque arm. But its right at the part where it goes on the dropouts and you dont need threads right there. I agree though the regen is crazy back and forth torque, i need a V7 regen torque arm

[@user-dk1yb8cc8j]

@@mustardpikachu3597 Please don't spread such misinformation even if not intentional.. Both China and the US have good samaritan laws. They protect you from legal liability when you help someone, and in most US states it IS illegal to not help, or call help. What happened in China, was people pretending they were hit or hurt by people who actually helped them. It's a scam that is now well knows and was aided by the fact that China did not have well established good samaritan laws, compelling bystanders to help. Hence why those laws were adjusted in 2019.

[@reyaz8531]

Big fan of your content! Awesome video. What would you say is better, mid drive + rear hub or dual hub?

[@EBikeBuilder_]

mid drive and rear hub works good as an upgrade, but its some extra weight So unless you are upgrading an existing bike. I would just get a powerful rear hub motor rather than have 2 motors. But it can be fun to have a mid drive and a hub motor both on the same bike, for example you can use the hub to move the bike and shift the gears in the mid drive without the drive train being under load, etc. Its fun dont let me talk ya out of it. I did it as an upgrade. But it was heavy. If u get the bbshd on 72V that thing is absolutely bonkers you dont need any other motors Lol. Dual hubs is good for sand or snow or like really tough off road stuff crawling at slow speeds through high resistance terrain. But with dual hubs the front wheel spins out a lot Lol so its like a danger issue, easy to slip out and crash with the front motor. Dual hubs is great for climbing hills and the extra torque and acceleration But it can be dangerous. Also makes the wheels heavy and kinda hard to work on, when both wheels have torque washers and torque arms and motor cables etc. If u use a front hub motor lots of the time have to permanently modify the fork to fit a huge motor axle. Theres really only 1 forks that ive found that works with a front geared hub and its the RST guide forks. Or else i think grin tech has a front motor that can do through axle but its direct drive

[@EBikeBuilder_]

to answer your question though Lol like neither of them are really better than the other. But in terms of like laying power down and overall effectiveness the rear hub and mid drive worked well , no loss of traction in the rear wheel like with a front hub. My only concern would be, if your Hub motor has a FREEWHEEL that threads onto the axle, im not sure how long the threads on the hub motor will last with a mid drive cranking on a freewheel. When I did it i had a bafang g62 with a cassette, not a freewheel

[@reyaz8531]

@@EBikeBuilder_ 3000w rear it is!

[@andrewbowden1076]

Anyone think of adding a lock nut? That's two nuts for each side. Another thing you could do is (not budget friendly) take it to a machine shop and have a left and a right handed threaded nuts installed on the axle

[@EBikeBuilder_]

i think the newer bafang motors like the G61 front motor actually uses an M14 locknut. That can help. But you would not believe the amount of torque that regen causes. You need something metal that does not give or move whatsoever. If regen can break out of metal torque arms, then im sure it can break out of a locknut. Its very crazy you wouldnt believe how fast regen can loosen those nuts off

[@PizzaCologne3]

didn't know you rode on that side of WI/Mn side, I usually ride Stillwater/mpls side, but the streets/trails look great

[@EBikeBuilder_]

nice!! How is Stillwater?? I've thought about riding there. I would need to bring a 2nd battery. But that is fairly close!! I was looking at the Stillwater trail map it seems quite extensive.. I need to check it out !!

[@charmcityscooterz8343]

To prevent the nuts from backing out, I would just drill out the bolt and put in cotter pins.

[@EBikeBuilder_]

i thnk that v7 grin tech regen torque arm is the only way Lol its like microscopic levels of fastening that needs to happen. Even with 3 torque arms split across both sides of the dropouts it can still move around slightly over time, is what i've found. its literally like someone wrenching on the axle flats as you ride along. regen is super serious. I understand why all those QS motors have the threads worn off the axle now

[@chargeriderepeat7024]

Nice build, I love to see an idea being ridden on the road, but your phone mount gives me anxiety 😂

[@NoInfoFound]

consider enabling the "thanks"/"super thanks" option in the youtube 'three dot' option menu.

[@EBikeBuilder_]

thanks for this suggestion, for some reason I thought it was tied to the memberships and I dont really want to deal with memberships. But I have enabled the Thanks ! thing now!! GOod idea.

[@Muzo31120]

I love your bike. By the way, what is the name of monitoring app you are using ? (The one we see on the side of the video)

[@EBikeBuilder_]

its the VESC TOOL mobile app. and i screen record it on my phone. and then edit it into the video

[@stevecumming6427]

Interesting with dual motors like wanted on my Mars. Ordered 26" air forks & a Flipsky 75100 Pro V2 with a key lock & volt meter. Think what else is needed is a DD front wheel motor on Regen for braking, recharging a front battery & saving on brake pads. Want maybe dual throttle on front with 1 for braking, 1 for hills & no throttle is coast on rear motor for power. WDYT? Possible?

[@EBikeBuilder_]

i havent tried regen with a DD hub motor, i hear its stronger regen with a geared hub like the bafang. But I think, any type of regen in the front wheel, is going to be extremely crazy Lol. I dont know if regen is necessary in the front wheel?? It could work really well. But Iwould be concerned about the forks and securing the motor. I guess the V7 torque arm might work in front also. I would only try a front motor with a strong fork like an RST guide fork. and then if doing regen the v7 torque arm. Lol no other way I would try regen in front. I was thinking about what if i had regen in my front geared hub motor... and Im pretty sure I would break the forks. LOL. The regen in my back geared hub already feels like slamming on my shimano MT 210 hydraulics. I would break my front fork if that motor did full regen. Its crazy powerful. If you do a front motor of any kind id makesure that thing is super secure and have a good way of controlling the regen. If i did regen with both motors, Im pretty sure I would fall off the bike or it would skid out or something. I don't even have the regen set to it's full intensity, I have it at 55 or 60 phase amps. and you could set it like 75 for more regen intensity

[@dg9bfc]

what about 1 KW geared freewheeler at front and a 3kw direct drive at the rear (Regen only on rear axle)

[@fraserthomson5766]

I'm going through 2-3 sets of pads per year, I need regen. I see Grin do the welding option and have designed a CNC machined clutch plate so no welds. I've got a cheap Chinese 750w motor/controller, I've no idea where to start with regen..

[@EBikeBuilder_]

To do Regen you need a controller that supports it. Also, a good torque arm, like the grin tech regen torque arm. And finally yeah for these geared hub motors it needs the welded clutch, or the planetary gear holder without a clutch, i think grin has started making them.

[@PizzaCologne3]

yooo MN bound, join us Minnesota Electric riders, group rides sometimes.

[@dg9bfc]

i have seen a yt video where they developed a different hub motor design with the brake on the planetary gear and when you brake it does regen and if you do not brake it freewheels ... both of best worlds combined 😂 .. just look for freegen video in yt... sooner or later we will see this mass produced

[@EBikeBuilder_]

Yeah that is very cool , i think grin tech is working with them to bring it to market

[@ezimitpo1]

Hey, would you mind shareing your vesc configs ? would be awesome with some pointers. trying to get my bbshd running good with my vesc 75-100

[@EBikeBuilder_]

i did a few videos where i was doing the vesc motor setup on a bbshd. but ive since taken it off and its on a hub motor for the time being, So id have to go back and look at those videos myself. I think i recorded the motor setup and stuff

[@davidlorin1379]

Whatever you gain with regen is lost with the resistance it creates. If you only traveled downhill that would work, but that's not possible. If you could somehow hook it up to only engage while braking, that would also work... sort of. Have fun with it, but you'll come to the conclusion it's a big waste of time.

[@EBikeBuilder_]

The 'resistance it creates' only effects you when the wheel is spinning without motor power, which is only when I am slowing down, So why would I not want free powerful braking? where I dont have to slam on 2 levers. And it charges the battery a small amount while riding. There's different ways to control regen, the way I have it set up in this video is not good for pedaling. If you are trying to pedal it around like a bicycle, then Yeah Maybe set the regen to your brake lever. I haven't tried putting the regen on my brake lever yet. But you can have the welded clutch, the drag is minimal, and when regen is not activated its not actually braking, the drag is very minimal. its already a fat bike. you can barely tell the difference in drag pedaling it with the regen brake off.

[@davidlorin1379]

@@EBikeBuilder_ I like to coast, I don't need to be on the throttle constantly. Let us know how much range you actually gain. I don't suspect it will be much. I'm all for experimentation but the thought of braking every time I let of the throttle just seems futile to me. The law of conservation of energy states this will not work. Like I said if you could rig it so it only regens when you're braking, you may gain a little bit of range, but since you have it setup so it engages anytime you let off the throttle any gains are eaten up as it slows you down. I'm not even claiming I know more than you, just confident you not going to see much, if any benefit.

[@camerontechstuffs]

@@davidlorin1379 I added a "regen button" on my bike for this reason, this way I get three options to slow down and only regen when it makes sense. On VESC when you use cruise control it also auto regens, so going downhill let you maintain a set speed while capturing that little bit of energy too.

[@SaiyanEuc]

Is the speedo correct on the vesc app? Whats the max mph on this setup?

[@EBikeBuilder_]

bafang g62 in 6.5t windings on 710mm diameter wheel size goes about 41mph or so on flat, ive had it going slightly faster like 45 or so tops if you are lucky with the bafang g62. depends on motor windings, wheel size, voltage, etc. If i put the front motor on 72V it can do more like 45mph reliably on flat. and ive had it going close to 50mph with both motors on 72v

[@SaiyanEuc]

@@EBikeBuilder_ that's awesome!

[@SaiyanEuc]

@@EBikeBuilder_ can you run front and rear hub motors with one controller? Is it better to have two?

[@EBIKESBR]

top!!!

[@robintaylor3860]

Regen ain't worth it. Don't recover enough to matter.

[@charmcityscooterz8343]

But it does help tremendously with braking and saves on pad wear.

[@patrickoneill1011]

Talaria Stuntman... 😂😅 Lmao

[@joeberginc7415]

Regen is way over rated. Lots of troubles with very little gain. "Cycles of stress" on the frame is also an issue for "metal fatigue."

[@joeberginc7415]

Wait til your in a hard turn and you get a surprise causing you to need to brake. That rear wheel will skid and you will drop like a rock and slide under a car!!!

[@joeberginc7415]

Spoke noise is metal fatigue on your spokes. Rear wheel disc brakes also cause this, but Regen is more severe. You crack metal by bending back and forth. Avoid this in any system that is not beefy.

[@joeberginc7415]

btw I am not anti Regen. Well engineered systems with abs in cars and motorcycles are excellent. 👍 I love your commentary style!

[@EBikeBuilder_]

I held off on regen for a long time, 10% is not much, that alone is not worth it. There are disadvantages to it for sure, one being its not easy to hold the motor secure. Its not easy with a 12MM axle flats thats for sure. BUT the thing about regen is its powerful braking, that you get for free, that does not require you to grab the brake levers or wear down brake pads and rotors, its an automatic brake that you can engage by laying off the throttle. The verdict is out as to how much it wears down the nylon gears. But it is an insanely powerful braking force, that you can use for free, in addition to your bikes brakes, which by the way when you do regen + your bikes brakes, it both stacks together and you get an incredible braking force. Even if your bike brakes arent that good. If I slam on the regen it feels pretty much as powerful as my shimano MT201. It's a very powerful braking force. It only weakens when you start to slow down to rolling speeds. But it can stop me going down steep inclines if you give it enough room

[@joeberginc7415]

I watch you because you explore this stuff. You show us good bad and interesting. Thats how we learn. Plus your commentary style keeps it interesting 🤔👍

[@kmaclub143]

Please list a Po box for gifts, you eared it.

[@EBikeBuilder_]

ive got the superthanks thing on youtube, also have buymeacoffee buymeacoffee.com/ebikebuilder/ , I will have to add a PO box at some point that is a great idea!!

[@sirchristopher7684]

You have the best luck for filming people doing stupid stuff.

[@mustardpikachu3597]

LMAO

[@bobikbobikowy5458]

try using red loctite on the nuts

[@EBikeBuilder_]

regen is super serious its like someone literally wrenching on your axle flats as you ride along

[@bobikbobikowy5458]

@@EBikeBuilder_ yeah i know. I have been using regen for about a year. I just made super beefy clamping torque arms and didnt use nuts at all because they were always unscrewing no matter what i did.