Im a E-bike guy, wopp di doo! - Page 1
Forum section: electronics / general

author: MT
author_rank: Super Contributor
timestamp: January 01, 2023, 05:10:30 am
content: His comments and actions are hilarious!

author: Psi
author_rank: Super Contributor
timestamp: January 01, 2023, 05:16:39 am
content: I wonder if incorrectly setup brake regen caused it. (ESC fets blown from regen and shorted battery.)Since it happened when decelerating.Probably either that or badly packaged cells that shorted on the G force of decelerating. Cough - UnitPackPower - Cough.

author: Mr.B
author_rank: Unknown
timestamp: January 01, 2023, 05:27:48 am
content: “Six grand… She melting… She melting…”Fucking hilarious.‘I will just light up a smoke and watch it burn’“Get an E-bike they said, it will be fun”LOL.Made my day.

author: AndyBeez
author_rank: Frequent Contributor
timestamp: January 01, 2023, 10:55:58 am
content: Burn baby burn. eBike inferno!Why do a teardown video, when you can do a burn down? Tear down the road, burn down the bike.Take note of the white smoke, an indicator of a lithium batterygoingalready gone critical. [ Maybe the Vatican could use thistechnology, discuss? ]To the battery pack, the KW motor would have looked like a short circuit.btw I did not notice any mirrors, speedometer, charge indicator or other roadworthy'systems'on the handlebar area? Oh yes, it's an e-bicycle; you can tell this by the crappy orange plastic petals taken straight off achildren'stoddler's first bike. Sadly we do not get the 'feedback' from the F.D., but I suspect they conjugated words including neck and red?Anyway, check out the velocity.I want this bike.

author: jonovid
author_rank: Super Contributor
timestamp: January 01, 2023, 11:45:22 am
content: looks like 70mph and push it to the limit now your cooking with 83 volts of lithium.-your got one expensive camp fire.he could have saved the bike, by immediately pulling out the battery pack when he stopped.but he was so preoccupied with his phone as so typical of this generation. at least your got 1.09K subscribersas an e-bike owner for more then 3 yrs, in my opinion this video just gives Big government a reason to regulate & tax one more freedom as common sense is not that common, anymore.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 01, 2023, 12:19:40 pm
content: In the UK if its over a specific power, it rapidly becomes a motorcycle. So, therefore, comes under the laws for motorcycles but so far there has been little effort from the Police on this so on my drive to work I have to put up with being overtaken in a 30mph limit by someone doing >40mph. Then there is a chap posting videos of his 60mph one, I am only grumpy because I know if I did anything like this the Police would soon be after me.Seehttps://www.gov.uk/electric-bike-rulesQuote

author: bastl_r
author_rank: Regular Contributor
timestamp: January 01, 2023, 01:24:42 pm
content: HiI miss the big explosion!So much people that warn about selfmade warns about big explosions.And here... Nothing! Only a little fire.

author: SiliconWizard
author_rank: Super Contributor
timestamp: January 01, 2023, 07:50:49 pm
content: Pretty cool.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 01, 2023, 08:51:46 pm
content: My 2p on why it failed. It as cold and he took it out for a blast and for best part of 8 mins it was flat out with 1 stop at a junction. The batteries were overheating despite the cold and after slowing down the second time the air cooling wasnt enough a poof.From my years of riding 2 strokes on the road you learn to vary the throttle and not to hold it pinned for mile after mile. As that can cause cold seizures but have also seen bikes go pop due to the airflow keeping them cold until the end of the straight and then blowing up after a a few corners due to the sudden heat change.

author: Psi
author_rank: Super Contributor
timestamp: January 01, 2023, 08:55:44 pm
content: Yeah.Every electric vehicle needs to have multiple temp sensors inside the battery pack to warn you about excessive temperature rate of change, and for general pack health.If you know the cell temp is rising in an unsafe manner you can take action before thermal runaway.NTC thermistors are like 3 cents plus some sort of a multichannel monitoring chip or cheap MCU.Shouldn't add more than $1 to the cost, even if you monitored the temp of every cell it wouldn't cost much. $2 maybe.The extra wire is probably the biggest cost but if you already had wires to each cell for voltage monitoring i'm sure there's options for an i2c bus or similar.

author: SiliconWizard
author_rank: Super Contributor
timestamp: January 01, 2023, 09:06:14 pm
content: The really fun part is how one can spend $6k on such a crap.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 01, 2023, 09:30:47 pm
content: 2k of bike sold for 6k.The temp sensors should have been used to reduce the power/speed of the bike to avoid sudden shock or overheating. But they needed to do testing to find these issues and that costs money.One of the things I have learnt about a new bike is you take it for some short easy journeys to start with to run it in. I know at least 2 people that would strip a bike down and rebuild it before even attempting to start it, that way they would know every bolt was done up right and the bits that needed lube were lubed.A poor connection on the battery could generate some heat.

author: Ed.Kloonk
author_rank: Super Contributor
timestamp: January 01, 2023, 09:53:24 pm
content: Quote from: mendip_discovery on January 01, 2023, 09:30:47 pmI wonder if, going forward, more emphasis should be put on being able to 'eject the core'? Though I suppose that if even basic temp sensors aren't even present then it's doomed.

author: DC1MC
author_rank: Super Contributor
timestamp: January 01, 2023, 10:16:24 pm
content: There isexactly ZERO (big fat zero)chance that someone paid 6K USD on this e-bike, it has ZERO control elements, a miserable small 1$ light and that's it, most likely one of these "viral" videos made for views and "influencer points" and subscribers.So is this is similar with the Alibaba/Aliexpress "Enduro" off-road e-bikes (not even meant to run on public roads), that even the latest and greatest models are less than 2.8K USD, that was most likely a discounted older model that the guy bought not to use it (the first police car found on the road would have got him arrested and the contraption confiscated), but to propel his Youtube channel.This explain the lack of all things necessary for a public road vehicle, like speedometer, mirrors, charge measurement and so on.The video is the fakest shit that I've seen lately, and I've seen a lot of fake shite made for likes and subscribes, the guy produced a long video, a Youtube short and some Tik-toc's, Fortunately it didn't bring him too many subscribers with all this cringe efforts to play a desperate dude, "oooohhh loook it buuurns....", als the bursting in flames is highly suspect as hell, so 0/5, staged shit.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 01, 2023, 10:25:11 pm
content: There are a things that dont add up, such as mentioning the speedo issue just as it goes up to 300mph. But I wouldn't assume it's a fake, well it's not as fake as jumping out of a perfectly fine aircraft while having lots of cameras ready to get the angles.The value is what someone says it's worth and you never know they may have bought it from a guy down at the market for half the retail price of $5999.95

author: Ed.Kloonk
author_rank: Super Contributor
timestamp: January 01, 2023, 10:27:47 pm
content: Do the fire engine drivers in the U.S. charge an appearance fee for something like that?

author: Psi
author_rank: Super Contributor
timestamp: January 02, 2023, 02:10:11 am
content: Quote from: Ed.Kloonk on January 01, 2023, 09:53:24 pmI don't think any company will have battery eject for an off-the-shelf bike, too many legal issues.But having a pin you can pull in a hurry and have the battery pack fall out the bottom is probably a good idea for home built jobs.

author: ebastler
author_rank: Super Contributor
timestamp: January 02, 2023, 01:21:12 pm
content: Quote from: DC1MC on January 01, 2023, 10:16:24 pmHmm... Please see below. But I agree that the "tobebike.com" website looks fishy as hell. No details about the company at all, not much about the products, and the "order form" is a Surveymonkey form.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 02, 2023, 03:41:21 pm
content: As above its looks to be another POS made in the USA ;-) More specifically the frame is made in the USA (Wynnewood, Pennsylvania) and then the Chinese stuff is bolted in. Theebaylisting I found states "10,000w+ TheOtherBike TOB, QS 138 70h, 72v 45ah, VOTOL Controller (not SurRon)" I wonder if this person used to sell Audio stuff in the past as I get a whiff of snake oil.3kW motor but it can do 20kWQuoteeBay Store is,https://www.ebay.com/str/ebike1comand it doesn't look like they have sold much for a while.https://www.tobebike.com/registered on "2022-09-23"Now the site may seem a little shoddy but I know a few engineers of mechanical stuff and they ain't computer types.

author: AndyBeez
author_rank: Frequent Contributor
timestamp: January 02, 2023, 05:44:50 pm
content: 300mph, I hope the local county sheriff doesn't book him for speedingQuoteAnyone know of a Mosfet that can 'do' 20kw?72v 45ah is how much energy dissipation? Maybe it's all air cooled, like the smoking legs of the rider?Through the primary power bus bar:3000W @ 72V ~= 41A20000W @ 72V ~= 270AWhich yields on the normal setting just under one hour of riding. Or roughly 40 miles on the flat. At max amps though, the rider has a mere 8 minutes to ride as far from civilisation before the bike turns into a mobile crematorium. A paltry 6.66 milesMADEINAMERICA

author: jonovid
author_rank: Super Contributor
timestamp: January 02, 2023, 06:42:25 pm
content: what are the chances this is ALL a special effects stunt.clickbait / Youtube Likesthe bike sacrificed for the video. by adding some pyrotechnics to it?

author: DC1MC
author_rank: Super Contributor
timestamp: January 02, 2023, 08:04:23 pm
content: Quote from: ebastler on January 02, 2023, 01:21:12 pmI stand corrected, so there was actually someone cheeky enough to ask 6.5K USD for this turd. Most likely some Chinese company and the site is indeed fishy, the pictures shows some wear traces on the handle and some really shady workmanship.Anyways I still believe is a publicity/influencer stunt and if someone wants to roast their balls they are way cheaper on alibaba:https://german.alibaba.com/Popular/CN_5000w-enduro-e-bike-Trade.htmlThe only issue is that this shite will be used to justify even more draconian measures and regulations for the e-bikes, like this this stupid anemic 250W engine and similar crap.

author: Bud
author_rank: Super Contributor
timestamp: January 02, 2023, 08:09:30 pm
content: Quote from: jonovid on January 02, 2023, 06:42:25 pm...and asking the local fire department to send a couple vehicles to the scene to participate in the stunt ?

author: Vincent
author_rank: Regular Contributor
timestamp: January 02, 2023, 08:14:20 pm
content: Man, the sound of those batteries venting!

author: eti
author_rank: Super Contributor
timestamp: January 02, 2023, 09:05:24 pm
content: The entire point of a PROPER bicycle is to provide exercise. "E-bikes" are as pointless as they seem, and a nice little earner for HMRC to fool the gullible and trend-followers.

author: mendip_discovery
author_rank: Super Contributor
timestamp: January 02, 2023, 09:53:33 pm
content: Quote from: eti on January 02, 2023, 09:05:24 pmLol, you must live out on the fens. Here on the Mendips it's a nice way to cope with some of the hills. Not that I have an electric thing. I prefer a 1961 Matchless G3L for pottering around on.I agree that eBikes should have regulations. Could you imagine it being ok for someone to have a Mugen Honda and ride the cycle paths through towns for it's a 173mph bike.

author: Psi
author_rank: Super Contributor
timestamp: January 02, 2023, 10:37:36 pm
content: Quote from: eti on January 02, 2023, 09:05:24 pmNa, exercise is only 1 of the reasons to use a bicycle.From a practical viewpoint- To get from point A to point B faster than walking, to make the trip easier, to avoid traffic jams and to save the high parking costs if you took the car.From an entertainment view point- To have fun riding through areas of interest or nature.From a health view point- To burn energy and get exercise. Or just get some fresh air.

author: PlainName
author_rank: Super Contributor
timestamp: January 03, 2023, 01:00:44 am
content: You forgot- To arrive wherever wet and bedraggled.From a financial view point- To be always worried the bike (or parts thereof) won't be where you left it.

author: Buriedcode
author_rank: Super Contributor
timestamp: January 03, 2023, 01:36:03 am
content: Quote from: eti on January 02, 2023, 09:05:24 pmIt's a mode of transport for those who cannot afford a car, or do not have access to public transport (or can't afford it) and if you've ever had a job that requires riding 10+ miles a day I'm sure you'd be grateful for some "power" to ease some of the gradients. Also, the congestion charge in London stings if you have regular work there.For the weathly and/or middle classes, in the 'burbs, sure it's also a form of exercise, but most people in the world don't live in such situations. Claiming the only point of a bicycle is for exercise is pretty narrow minded.

author: VK3DRB
author_rank: Super Contributor
timestamp: January 03, 2023, 06:10:46 am
content: A fool and his money are soon parted. Did his $6K Made-In-China e-bike conform to the FCC regulations? What about EN-15194? Obviously not. What about EN-62133?The bloke behind me almost burned his house down with an illegal battery charger he imported from China. Two houses were burned down in the past few months in Melbourne - one caused by an e-Scooters being recharged, the other by a power tool battery pack being recharged. One woman was electrocuted and died in Sydney from an Li-Ion illegal battery charger.I just bought a genuine 4Ah battery and charger from a reputable dealer for my Ryobi One tools ($A 119), made by Ryobi with the RCM mark of compliance on their product (made in China, but by a highly reputable Japanese company). I could have paid $24 of the price for an illegal Chinese knockoff on eBay, but I figure my house to worth more than the savings. Despite the eBay merchant saying they are compatible with Ryobi, they NOT actually compatible. For a start, they do not have the safety approvals; not even the RCM mark and are sold illegally, and the majority of them have their Ah capacity below what they state.I am sure the same problem exists in other countries.

author: Psi
author_rank: Super Contributor
timestamp: January 03, 2023, 08:13:59 am
content: Quote from: PlainName on January 03, 2023, 01:00:44 amThose are reasons not to use a bike, so they dont belong in my list of reasons to use one.

author: jonovid
author_rank: Super Contributor
timestamp: January 03, 2023, 10:28:42 am
content: Quote from: Psi on January 02, 2023, 10:37:36 pme-bike are affordable mode of transport as dedicated motorcycles have long become expensive with increasing government regulation.as bicycle is too slow for the non-athletic seeking a mode of transport. so the basic e-bike fills the gap.

author: PlainName
author_rank: Super Contributor
timestamp: January 03, 2023, 11:00:48 am
content: Quote from: Psi on January 03, 2023, 08:13:59 amPicky

author: tszaboo
author_rank: Super Contributor
timestamp: January 03, 2023, 12:44:22 pm
content: Quote from: eti on January 02, 2023, 09:05:24 pmDid you ever encounter this term called "motorbike"?

author: VK3DRB
author_rank: Super Contributor
timestamp: January 04, 2023, 12:36:53 am
content: Quote from: jonovid on January 03, 2023, 10:28:42 amAnother reason for an eBike... to get fit.I had an eBike about 12 years ago (early adopter) and used it three or four times a week to travel 13km each way to work because I was unfit but wanted to get fit. However over a period of several months, I pedalled more and more; and I got fit - very fit. In the end I hardly used the motor on the eBike at all even for a very steep hill. My calves legs were like tenpins. The added weight of the eBike actually increased my strength. I then restored my old Repco racing bike (no motor) because I had no need for the eBike.The biggest health risk with any bike are the few idiotic car drivers who think they own the road and don't have any respect for bicycle riders. I was doored once by a Karen in a 4WD who said it was my fault because I was riding on the road which its illegal because bicycles are only allowed to ride on a pedestrian footpath

author: AndyBeez
author_rank: Frequent Contributor
timestamp: January 04, 2023, 12:56:09 pm
content: My first e-bike had LEAD ACID cells for the battery pack, weighing near to 30 kilos. Was a work out just getting the bike moving. As for stopping, the brakes were completely inadequate (useless). Praise the Lord for lithium cells.Quote from: tszaboo on January 03, 2023, 12:44:22 pmThere is an arms race amongst the electric bicycle manufacturers: More Amp Hours in the battery, more kilowatts in the over sized motor drum, central drive, prop shaft drive, bomb proof welded spider frame, and so on. Reality, most e-bikes are NOT electric bicycles but electric motorcycles with added pedals.These $3000+ e-bikes are being sold with "pedal conversion" kits. Simply, manufacturers are adding cheap and nasty plastic pedals and chains forregulatory compliance. If it has a 2500W motor, a 100Ah battery, a top speed of 80mph and, it haspedals, then it must be a bicycle. Right? Which means no road taxation, no vehicle insurance and no vehicle testing to stamp thepink slipevery year. Plus, your five year old son can legally ride it on the highway and all pedestrian footpaths. Pedal kits can be removed and replaced with foot rests - which the supplier conveniently sells on their Chinese website. Unfortunately, fitting footrests also requires the fitment of road legal mirrors, indicators, a speedometer and let us not forget, efficient brakes. Because your five year old son might just need to go from 50mph to zero when he encounters a red traffic signal. Newsflash:Electric motorbikes must stop at red traffic signals, whereas electric bicycles (and manual bicycles) never have/ever will.Compare and contrast that barbecue on spokes with this 'budget' electric motorcycle:"I BOUGHT the CHEAPEST ELECTRIC dirt bike on Amazon" from Sean Kerr on the Bikes & Beards channel:

author: VK3DRB
author_rank: Super Contributor
timestamp: January 05, 2023, 11:06:42 am
content: QuoteAnyone caught riding that here will be fined heavily. 200W motor is the maximum not primarily because of safety, but because of tax avoidance. Scooters and electric bikes are not per km taxed - YET, but petrol motor bikes are taxed every time a rider buys petrol.To my knowledge, we are the only jurisdiction in the world to have a per km tax for electric cars. It is nicknamed the "Daniel Andrews Electric Vehicle Disincentive Tax" (Premier Daniel Andrews is the birdbrain who introduced this tax). No surprise, the uptake of EV's here is about the lowest in the western world. His political party has received political donations from oil companies. The EV tax is calculated by sending a photograph of the odometer to the state government every year. It is around 2.5 cents per km, but will likely rise considerably if EV's gain in popularity - possibly to 15 or 20 cents per km within ten years. Plug-in hybrid vehicles are currently taxed at 2.0 cents per km. There is an loophole though. There is a company in Queensland that converts certain models of internal combustion engine cars into EVs. The state government hew has no way of knowing if a petrol car has been converted or not. If this loophole becomes popular, the Victorian police will likely randomly open up the bonnet of some models of cars to check. Getting caught on tax fraud here can result in severe financial penalties including prison time.

author: Ed.Kloonk
author_rank: Super Contributor
timestamp: January 05, 2023, 11:14:31 am
content: Madness.

author: PlainName
author_rank: Super Contributor
timestamp: January 05, 2023, 12:54:08 pm
content: Why is per km taxing so bad for EVs? They are big, heavy things that put more wear on the roads than most IC vehicles, and yet there is no way to tax them via fuel (how would you tell the electricity is being used to charge an EV instead of, for instance, powering your dialysis machine?). Seems only fair that they pay tax like everyone else, and per km seems to be the only sensible way to do it. And... EVs are expensive enough that if you can afford one you can afford the tax too.Maybe you can suggest a reasonable and workable alternative?

author: VK3DRB
author_rank: Super Contributor
timestamp: January 06, 2023, 07:52:21 am
content: Quote from: PlainName on January 05, 2023, 12:54:08 pmThe government says the tax is for wear and tear on the roads, but the reality is the petrol tax and the electric vehicle per km tax goes into consolidated revenue. Road tax should be accounted for in vehicle registration fees, where the cost is shared, meaning poorer people who have to travel long distances pay less tax and wealthier people who live close to the city centre pay more tax. I see a time when electric scooters and eBikes will be taxed per km like electric vehicles in this state and maybe throughout the free world.

author: ebastler
author_rank: Super Contributor
timestamp: January 06, 2023, 09:12:00 am
content: Quote from: PlainName on January 05, 2023, 12:54:08 pmThis seems off-topic, since the thread is about e-bikes (i.e. electrified bicycles), not full-scale EVs.Other posts above made some scary claims that an "e-bike" in the US can supposedly have any kind of motor power and no speed limit, as long as it has pedals which you need to push to keep the electric power going. Is that really the case? Specific rules seem to vary by state, but I also found thisfederal memorandum. It suggests a more reasonable definition, including 20 mph or 28 mph speed limits for various classes of e-bikes. Maybe someone from the US could shed some light onto this?

author: bson
author_rank: Unknown
timestamp: January 08, 2023, 11:54:42 pm
content: Quote from: mendip_discovery on January 01, 2023, 12:19:40 pmHere in California if it has a throttle control and can provide a pedal assist past 20 mph it's a moped. Anything that can exceed 20 mph assisted (but lacks a throttle control) is a class 3 and can't provide an assist past 28 mph; if it does it's also a moped. I believe the law was just changed to allow class 3 e-bikes to use bike lanes and multiuse paths. Needless to say, the laws are very spottily enforced.

author: bson
author_rank: Unknown
timestamp: January 09, 2023, 12:14:01 am
content: Quote from: ebastler on January 06, 2023, 09:12:00 amThe U.S. has no traffic regulations; it's entirely reserved to the states. 22 states currently share the class 1, 2, 3 definition which limits the motor power to 750W and assist speed to 28 mph for a class 3. E-bikes like regular bicycles nominally have to obey speed limits just like everyone else. Anything else is a moped and you need to get a license and register it. As far as I can tell the states with large cities and metro areas are the ones to regulate them - California, New York, Texas, Florida, etc. The ones without don't seem to care as much - Wyoming, Montana, and so on. The largest city in Wyoming is Cheyenne with pop 65k, so it probably doesn't really matter much there. States in the middle are probably just taking their time as it's not such an urgent problem, and eventually even the less urban states will adopt compatible laws for consistency.

author: jonovid
author_rank: Super Contributor
timestamp: April 13, 2023, 10:59:41 am
content: Perfect for big city commuting is aCompact Folding e-bike designwith Carry On Luggage type mini wheels & handle.an e-bike design that has its own Luggage folding basket included. you can take it on a city bus or train.50V is highest safe voltage for all wet weather e-bike also 25kmph safest e-bike speed limit for City traffic .suspension is unnecessary below 20kmph.

author: ebastler
author_rank: Super Contributor
timestamp: April 13, 2023, 07:39:48 pm
content: Quote from: jonovid on April 13, 2023, 10:59:41 amI dunno. How long a commute do you have in mind?"Long." > Are you sure you want to sit on such a thing, and bounce over bumps and into potholes with those mini wheels?"Not long." > Forget about the e-bike and do some pedalling, you lazy bugger!