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Found 21 results

  1. Hey all, nabbed a Z10 back in October and have been happily shortcutting urban transportation since. I recently checked the app and realized I've put 1000 miles on the wheel! I thought I'd ask if there is anything I should think about tuning up or checking out after this much mileage. The wheel is working great, and I'd love to make sure it stays that way. Any tips or advice?
  2. KS18L Range Test of my brand new Kingsong KS18L taking it to work and back. Did I make the trip? This is a real-life range test, with a 200 lbs rider, windy conditions in 20C.
  3. I am planning a 100 mile Dawn-to-Dusk ride this summer with a KS18L (not XL sob..sob). I will spend 6 hours charging. That means I must execute the right ratio of speed to time, or I won't make it. It will be very hard, early in the ride, with adrenaline flowing, to ride at an even, conservative pace. We shall see. I am sure there are others interested in doing extreme long distance rides. To be called a Extreme Long Distance ride (ELDR) for purposes of this thread, the ride has to be a minimum of 80 km continuous. You can stop to charge, eat, relax, but you must complete the ride as part of one riding session. If one is doing a multiple day ride, one can slip below 80 km on a given day, but the average for the whole ride must equal 80 km/day. The challenges for my ride is my riding weight of 109 kg, and that there are NO places to get partial/quick charges except at designated locations at the end of each leg and those will be full charges from 10% or so to 100%., taking a minimum of 3 hours with 5 amp charger. I am considering using a 5 amp charger and the regular 1.5 amp charger for a total of 6.5 amp charging. I think that would still be safe .. ? Anyone can ride fast .. who can ride long?
  4. I did a bit of prodding in the official Discord channel before deciding to post my issue here and such... Yesterday, I decided to see how far I could push my new V10F on a single charge. Unfortunately, I was quite disappointed when my answer ended up being ~24 miles. I'm at a bit of a loss for the solution, as the only thing I could come up with was that the li-ion pack may have gotten swapped out accidentally, when they were fiddling with the waterproofing issue. The ride was smooth, level, and paved for at least 90% of the trip... with the only exceptions being road crossings and a couple of bridges. I only weigh 160lb, so weight shouldn't be an issue. I keep tire pressure at roughly 36PSi, as well. Most, if not all acceleration and deceleration cycles were smooth and gradual, too. To me, 24 miles seems abnormally short, considering InMotion claims at least 50 under ideal conditions. Even derating that value by 10-20% is acceptable. Something seems quite off, when one is only able to achieve 40-50% of the stated range. Thoughts?
  5. I just keep getting impressed with the range of the Kingsong vehicles. Today I went for a 73.5 km ride. Thats over 45.6 miles. Still had 12% power and was only admonished twice about being too low on power and in need of a recharge. Speed was limited for the last 4-5 miles. From 28mph (my limit so far) to 24mph and 20 mph and finally 17 mph at the end. I weigh 150 lbs and the terrain was climing a Mountain, descending, racing along the river, traversing Elysian Park and Dodgers Stadium. Found it to be a much nicer warning system than the original 18S, which took me 62 miles on a 1680wh battery. So what is your record so far on a Kingsong? Good or Bad results are all welcome. Lets try to stay away from equivocators like someone is too scrawney or someone is too large carriaged. Just the recorded distance and the set up of the ride and the riders. 73.5 kms / 45.6 miles on a KS18L 1036wh battery. whats yours?
  6. Does anyone know the range the Inmotion V3 Pro gets? thanks
  7. Following up on @Marty Backe and his disappointment in the KS-18s range I decided to do another 100-0% test on my KS-16s which I haven't done for a pretty long time, just in case I remembered wrong. I know I have been somewhat disappointed in the range of my 16s for quite some time. I start to get noticeable performance throttling as high as 40-50% battery. If you are using a charge doctor to start at 80% this doesn't give you very much "fun" range to play with. Below 35% the performance drops to just barely faster than a ninebot, around 15 mph. Below 15% you are limited to 12 mph. So from 100-0% today I got 23.5 miles, approximately 2.5 hrs of riding. To be fair this is on the hills of San Francisco both up and down some fairly steep inclines over the course of the test. I generally only feel good about riding my KS-16s for about 10-15 miles most days. Once it starts to throttle your top speed it also starts to struggle to climb hills and does not take well to hitting bumps at speed. Since I live in an urban area full of steep hills I always feel these effects if I ride more than 5 miles one way since my home is on top of a giant hill. So if I had double the battery (840 in my 16s to the 1680 of the 18s) I would have made 47 miles. This is almost exactly what Marty got I believe so I feel like those who have speculated one of the three battery packs may be disconnected are likely wrong. It really probably only goes ~45 miles if it is roughly double the endurance of my 16s. Since I use my 16s primarily to commute 7 miles per day roughly the range does not stop it from fulfilling that primary function. However, it really is not enough to go on longer group rides or extended hill climbing as the battery starts to limit your performance to the point where you could not keep up with the group within a fairly short amount of time. That being said the wheel has been great for traveling around the city and I still have fun riding it - but it just turns out the practical usable range for me is so far below what is commonly described on this forum that I feel like people should be informed. If I'd known the range was that limited I might have chosen a different wheel instead. What do you guys think? Are the riding conditions here (cold and hilly) making this more of an issue for me than for the average 16s owner? Or have others noticed this as well?
  8. Hello guys, I've spent quite a bit of time perusing the forum (and others), but I haven't found much information about the new miniPRO 260 model, which I own two of. I bought my first miniPRO 260 from Amazon during the last sale. I was hesitant because of the smaller battery, but I figured that 1.5mi deficit was not a huge dealbreaker. When the unit arrived, however, I was surprised to see the app estimating an 11mi range with 100% battery. I know that range is dependent on riding style, temperature, weight, etc, but I at least expected the app to estimate the full 12.5mi range when fully charged. Furthermore, I have only ever achieved about 7 miles of actual range on the miniPRO, with normal riding over flat terrain, and tires at 45psi (I weight 175lbs). Based on my research, I figured that this was way too low, so I exchanged the unit. The new miniPRO 260 now advertises 14mi on a full charge, but that instantly drops to 11mi the second any weight is placed on the foot sensors! Does this happen to anybody else? The drop is universal at 3mi, meaning it will, for instance, go from 9 to 6 mi when at that level. I guess I'm curious what other miniPRO 260 owners report their app saying, and if the range is actually that much different than mine. I just got the replacement unit this evening, and I haven't had a chance to ride it to empty yet, but so far it seems about in-line with my previous miniPRO.
  9. I’ve been given the opportunity to get a good deal on a practically new 18s . It’s the 840wh version though. I’ve heard that the 1680wh version doesn’t really have all that great of a range so wondering what people have gotten out of the 840. My main consideration here is price . Is 25-35mi feasible ?
  10. I have a KS14D so 420wh battery . The range on it is decent for the type of riding I have been doing lately but I do seem to be charging it almost every night. My main question here is whether or not that is bad for it ? Today for instance I checked my battery level and it’s at 84%. Given that I run into the power restrictions and warning beeps somewhere around 40% I decided to top it off before I head out . Will doing this decrease the life of my battery ? I’ve heard 20-80% is the “sweet spot “ but due to the low wh rating I really need to be at 95-100% if I’m planning on going out for long rides .
  11. How far can you travel at top speed or close to it on your device in freezing weather and warm weather? provide: battery size, Wh average speed Range at top speed in below freezing/Range at top speed above 10 degrees Celsius Given comfortable tyre pressure.
  12. Please post your Gotway average range on a charge, and your battery size. For me I have a 680wh (MCM4), but haven't been able to get it low yet (my lowest was 60% after a few hours of riding). That thing just keeps going! I'll update when I manage to actually get it low.
  13. I wondered: is there a simple calculation that can predict my range from the next properties: My weight (wheel included), battery size, and the hilliness of the route I am about to go. Roughly said, your hilly range is your normal flat range minus 75 meter for every meter up and down. Since most of you know your flat range, this will do. But I also came up with a formula for your flat range (from real world experience myself and other people on this forum): 10 km per 150 Wh (weight 75 kg) 10 km per 175 Wh (weight 125 kg) In a formula, with B = battery size in Wh and W = weight in kg, flat range is: 10.000 * (B / (150 + (W-75)/2) ) Example: you weight 87.5 kg and your Ninebot One E+ has 340Wh battery. So W=100 B=340. You go on a 15 km ride with 400 m up and down worth of hills. Will you make it all the way? flat range= 10000 * (340 / (150 + 12.5) ) = 10000 * 2.092 = 20920 m hilly range in this case is 3 km shorter (75 * 400), so you will make it.
  14. I’m going give a head to head comparison between the IPS Lhotz 340 and the T680+(a.k.a. “Tank” or 151/152, or T500 which is mentioned on the box; the fine art of marketing cleary has not trickled down to IPS yet ). I’ll split the review up in several parts, as this will make it easier to comment and/or ask questions. After combing through most threads on brands, BMS, motor, battery, FP or not to FP, etc., I count myself lucky to have bought a Lhotz340Wh (older version with torque biased motor, limited to 20KmH) august last year. So why did I buy the IPS 680+? Lhotz Design: The broader (2,5inch) and larger tyre which actually makes the wheel around >1inch bigger than the one of th IPS680+ results in good traction and stability. It has relatively long pedals (22cm, you can scrape the corner of the pedals on the ground in tight turns) so you can place your feet exactly where you want them depending on what you want to do, which improves control over the wheel. The pedals are made of solid painted aluminum, they are not that thick and I tend to feel some flex (real flex or the hinges, fixtures?). Because of the paint the pedals are quite slippery when wet, this is nothing a patch of skate board tape cannot cure. The body (15cm wide) tapers off towards the edges and there’s no protruding battery housing at the top, so there’s room for the inner side of your calfs (no pressure) and you can put your feet close to the center which is great for stability and control. As a consequence the biggest pressure is on the inside of the ankles instead of the calfs. There’s here and there in strategic places soft rubber-like bright red padding (the brownread stuff on the pictures is my doing), with a high friction surface which is great for improving control over the wheel. The case has broad cut-outs front and back, so negotiation small obstacles like branches on the road poses no problem at all. The Lhotz is very sturdy by design, no rattles or creaks if you pressure it, and the handle is stainless steel so it doesn’t break even if you wheel bounces downhill without you. This all comes at a weight penalty of course: 14 kg. The round stainless tube of which the handle is made doesn’t improve the weight perception when carrying it, it’s slippery and cold in winter (I’m now using a samsonite belt to carry it). I don’t understand why IPS put a plastic slide-on charging port cover on it, which doesn’t stick for more than a minute. To save weight perhaps, really??? (I replaced it by an aftermarket metal screw cap)The battery charger is a very light box with an active cooling system (which doesn’t inspire a lot of trust, what happens if the ventilator dies?), and a US style wall plug (an EU adapter was sold separately) Verdict: Excellent Lhotz Safety: The Lhotz has enough torque to cope with my 100Kg adequately but it’s not perfect, I’ve had 2 FP, 1 overtorqueing when acceleration too fast from standstill, and 1 on a slight downward slope riding in a pit when at it’s cruising speed. When I push the weel, I can feel it (the motor?) struggling and (I believe) the BMS sometimes cuts in fractions of a second when the battery is drained too fast. I’ve experienced no BMS cut-outs though; when the batt level decreases the pedals start tilting at lower speeds and the weel starts beeping if you try to push it, even at very low speeds the tiltback is quite strong so there seems to be plenty of reserve programmed into the BMS. Therefor I would consider the Lhotz by design a relatively safe wheel, the flipside is that below 50% batt level the wheel is no fun to ride at all, and it’s game over below 30%. Verdict: Very good Lhotz Range/speed: Even with the torque biased motor, limited to 20KmH, it doesn’t feel that stable at the 17KmH cruising speed (see safety topic above). At 17KmH cruising speed, it drains 50% of the battery in about 12km. I live in a small village, and for shopping, the library, public administration, etc. I have to commute to the main village of the region which is at 5km one way. 12Km max range is not enough, driving around a bit for the shopping, windy conditions, low temp, and I barely can get home. There’s no fun in carrying a 14kg wheel, believe me, this causes me quite a bit of range anxiety. My wife already had to come and ‘save’ me by car, because I forgot the evening before that I rode just a very short distance and didn’t charge it to a full 100% (I try to avoid this because it’s not good for the battery). So if a guy of my size needs a cruising range of >15Km at a cruising speed of 20-25KmH, 340Wh is nearly not enough. Adequate. Which brings me to my choice of the T680+: Looking around, I saw no 16” alternatives from a reputed brand with such a big battery and a proven design (the KS16 is brand new). With the T680+ I hope to find (almost) the same build quality, high torque motor, and decent safety features, all this for a price of 1,129.- USD (delivery and taxes included) delivered to my door in Belgium straight from the IamIPS factory in just 12 days.
  15. I realize there is only a hundred versions and user weights but what are your real life experiences on the distances with the battery/model you are getting??? I believe the companies are overstating what units can do for real! I (72 kg) bought a AirWheel Q3 (800 w motor) w/340 wh battery... They claim it should get 25-40 km (that's 15-25 miles for you sad Americans) but..... I only get 10 mi (sorry, not 8 km, stupid two measurement system country!), on flat land.... Big Disappointment. State your mass, model, battery, claim distance, Real Distance. Needless to say, it should be based on mainly flat terrain for better comparison. Holy Crap update--- I talked to sellers, they say the only way, beside tear apart, is by weight, to know what battery I have. Q3 comes in 4 different batteries, mine should weigh (340wh) 31.5 lb, (170wh) 30 lb, mine actually weighed in at 26.5 Pounds!!!! BS update--- now seller claims my unit was 'early' unit made up of 'lighter' material, but will refund the extra $200 if kept... The bs just gets higher and higher.... And they said the upper limit of 40 miles is only theoretical. Really??? Why state something that will never happen? And I should go 5 mph.... How? There is no gauge to see how fast I am doing....and why buy an e-unicycle if I can walk that fast... Wonder if the 'lighter material' was a freakn battery!!! Update I took the money and rode off! And still have a sad little eu... Lesson learned... Not airwheelunicycle.com sellers fault, totally, I blame scrupulous Chinese business practices, sadly seller is repeating blasphemous rhetoric...
  16. Real world stats as tested by 140 lbs rider at 100 ft elevation, 55F degree weather with 12+ mph winds, and 45psi tire: Battery Range: 13 miles (21 km) in uneven road/sidewalk surfaces with constant incline changes. Non-stop riding.Max Speed: 12 mph (on leveled 180 degrees surface)Max climbing incline: ~60 degrees (tested in off-road hill)Unexpected power cutoffs: NONEMax charge time: 2 hrs(now post yours)
  17. I recently did a range test of my genetic euc that i purchased from Amazon a month ago. I am very satisfied in all areas (durability, speed, maneuverability, price) but the range is terrible (3.7 miles on last run on flat road °55 temperature). I would like to increase the range. I will consider purchasing a much better unit once this failes. I bought a cheap one to learn on and determine if i would be interested in them. Although instead of shelling out $500-$1000 that I don't have I'm interested in investing $75-$150 in a new battery to get the most out of this one. Thoughts or help on an external battery? I opened the shell but there is no extra room inside.
  18. Is there a reason why it seems just Gotway and King Song sell electric unicycles with big battery packs in them? (granting the euc a long travel distance range) Why are the other manufacturers (Solowheel, Ninebot, IPS, Airwheel, etc.) not installing batteries bigger than the 300's Wh? For me range is top priority, top speed is secondary. I'm sure I'm not the only one. The other manufacturers need to step it up!
  19. To those of you with, specifically, the 680Wh battery King Song unicycles... what distance/range does it last you until the low battery warning starts? I wanna read real world stats by genuine owners. Thanks!
  20. A couple months ago I did some controlled range testing with the Ninebot E & the IPS132. Although both units have similar nominal battery capacity—the IPS 132 has 260Wh, while the Ninebot has 240Wh, the results where surprising in that the IP132 had 20% better range in actual range than the Ninebot with identical cruising speed, track conditions & rider weight. This is accountable, because many cells nominal capacity is rated with a load that is less than the cruising speed of an Electric Wheel. With high-power cells, like the Sony US18650V3 that are found in the IPS132, offers a similar energy output across a wide-range of loads, from 1A to 10A. Other cells, however, may loose a substantial % of their rated capacity as the load increases. How this translates in Wh/Mile, is that the best performer (out the the three units tested) is the IPS132 at 20.68Wh/mile, with Ninebot One E managing only 22.84Wh/M. At first sight, 10% may not seem like much, but practical experience demonstrates that this increments make a big difference for range planning in the real-world. Another related consideration is how the control board manages 'limp-home-mode', the condition where the battery is low, usually about 25-33% capacity. Some control-boards are setup very conservatively (with pedal-tilt-up action), where it is difficult to exceed 5MPH—those last couple miles home are never as enjoyable. With others, you can still maintain a fairly respectable 7-10MPH until the battery is finally exhausted. Ninebot One E: 22.84Wh/MIPS 132: 20.68Wh/MIPS 121 (T350): 21.88Wh/M
  21. Here are some of the features I thought of for improving existing models. Please vote for the best features you would like to see in the future. Hopefully manufacturers take note.
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