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Christoph Zens

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About Christoph Zens

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  • Birthday 02/18/1973

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    Vienna, Austria
  1. KS16S head light problem

    So, after finding out that the tail light doesn't turn on when the manual switch is used, I now have an additional issue with the head light. There is no suitable reflector installed in the head light to distribute the light to where it's supposed to go. The thing just creates a symmetrical light cone (see image). The fact that this wastes a lot of the available light is one thing, but the real problem is, that it creates extreme glare for traffic (or pedestrians, which made me aware of this issue) coming the opposite way. I will have to tape the top half of the head light. The way it is right now, it's a hazard. Like driving with high beam all the time. The NB1 did not have any integrated lights, so I put on LED lights used for bicycles. This worked quite well, and due to the correct reflector inside the head light, there was plenty of light on the road and not in the face of oncoming people. Maybe I need to go back to this setup and forget about the broken lighting system of the KS16S? @Flora Yuan, can you forward this to engineering? The way the lights are right now is a security hazard. It needs to be fixed. Preferably the corrected headlight assembly could be bought as a replacement part to upgrade older wheels. I would buy one!
  2. The Photo Thread

    Great place! Be careful though. Your new Monster may try to kill you with an unexpected move when you ride it close enough to the ridge. Happened to someone in a car just now, at this very place: http://www.gailtal-journal.at/chronik/auto-bei-roter-wand-in-die-tiefe-gestuerzt/57555/
  3. New Kingsong APP (Android)

    Oh, I didn't know that! Thanks for the heads up, I will check it out. So, we can just use the KS app for firmware upgrade and wheel configuration and otherwise forget about it. Sounds good to me. Does WheelLog now connect to the KS16S on its own? I tried today while riding to work but couldn't get a connection.
  4. New Kingsong APP (Android)

    I had the same problem using gmail, but then I found out it is working. The mail just ends up in the spam folder, due to its strange sender: I consider this a bug. No app should generate mails like this. @Flora Yuan, can you forward this to the app developer? This is highly unprofessional. Also, why do I need to unlock a wheel for higher speed in the new app which is already set to 35kph via the old app? Maybe we should collect a bug list to get things fixed, because I don't see any improvements. Even though there are app updates (I think I installed 3 of them so far), the bugs I see are still there. Same for the riding mode vs. learning mode mixup. I reported this a while ago, still the same problem after installing the latest update. The voice command OFF setting also gets reset on a regular basis (to ON) and has to be turned OFF again... The ranking system for mileage is also not working at all. I assume mileage is only recorded if you have the app running and connected to the wheel while riding, which is not going to happen. Ninebot had this implemented correctly. The wheel tracks mileage on its own. Starting the app at a later time, it correctly accounts for the miles ridden since the last app connection. Also, average speed calculation is done wrong. It includes the entire ON time of the wheel, including times when the wheel is not moving at all. The result is an average for going from A to B, including all breaks (met someone and talked to him for 10 minutes) and stops at red lights, which is a useless number and not my average riding speed. Well, at least the wheel itself is great. The software isn't.
  5. KS16S tail light problem

    That's a good idea. Thanks!
  6. KS16S tail light problem

    I noticed a strange problem with the tail light on the KS16S the other day: Since the lights turn on much too late when set to automatic, I usually press the power button briefly to put them to manual ON when I need them. This causes the front light to turn on, but not the tail light. It stays OFF, until it is dark enough to turn on by itself. The brake light functions normally. Anyone else experiencing this? I am running the latest firmware. This seems to be a bug, which should be corrected ASAP, since there is a requirement where I live to have both front and tail lights ON, when it is getting dark. Another solution would be to make the automatic setting adjustable, such that the user could set the turn on point to a reasonable light level (when the lights are required to be seen by others, even though I do not yet need them to see where I'm going). This seems to be a general Asian thing. Whenever I drive a car in Japan, I have the same problem. Automatic lights turn on much too late. Everyone is driving without lights until they need them to see where they are going. Being seen by others is not a concern, apparently. Also, when stopping at a red light, they turn their lights OFF and sit in front of the intersection without lights! Talk about strange behavior. My wife says, that's done by courtesy to avoid bothering others with bright lights.
  7. New Kingsong APP (Android)

    Thanks, I installed from your APK. In-app upgrade didn't work for me this time, always opened up something in the browser for a brief moment, but nothing else happened. There seems to be a bug regarding translation: The three riding modes in the new app are listed as (top-down): Expert Beginner Medium This order doesn't seem to make much sense, and it looks like it's only the translation that's wrong. The middle one, which is called "beginner" in the new app, is selected when one sets Riding Mode in the old app. Likewise, setting Learning Mode in the old app will show as medium setting in the new app...
  8. Kingsong 16 S, what set up do you use?

    I switched to Riding Mode for the same reason, but retried Player Mode recently, for a few weeks. I had less problems with acceleration now, but going up steeper hills still requires significant effort to get the wheel going. On the plus side, the dead band of the pedals is reduced in Player Mode. Today, I was annoyed going uphill in Player Mode and switched back to Riding Mode mid-ride, to see how big the difference would be. I could immediately feel the pedals tilting forward and the wheel picking up more speed with less effort, while I did not change anything regarding my own riding position or force on the pedals. So, it's back to Riding Mode for me.
  9. German Discussion Group

    Also ich bin heute das erste Mal in Wien von einer Streife angehalten worden. Normalerweise sehe ich wartende Streifenwagen schon und fahre dann langsam vorbei, was die nicht weiter stört. Heute hatte ich es aber sehr eilig zu einem Termin, habe nicht gut aufgepaßt und bin mit etwa 30 km/h auf der Fahrbahn an einer Streife vorbei. Die sind mir dann eine Weile nachgefahren (mittlerweile bog ich in einen kleinen Weg ein der bergauf geht, da war ich dann auch langsam unterwegs). Später dann auch langsam am Gehsteig weiter, die Streife auf der Fahrbahn fuhr parallel und fragte ob ich mal da vorne anhalten könnte... Im Prinzip meinte er, die Geräte seien sehr im Graubereich und ab 25 km/h bräuchte ich eigentlich eine Zulassung und Versicherung. Auch sei es problematisch, wo man damit fahren sollte. Gehsteig bitte nur langsam ("so wie Sie da den Berg rauf gefahren sind, sollten Sie eigentlich immer fahren"), Fahrbahn "ist ja auch gefährlich". Er hatte angeblich mal einen Fall wo einer wegen einem Defekt bei 50 km/h "abgestiegen" sei. Ich musste gleich an Gotway denken, sagte aber nur dass meines keine 50 km/h geht und dass ich sonst vorsichtiger fahre, heute aber wegen einem Termin zu schnell unterwegs war. Das hat ihm wohl gereicht (wollte mich scheinbar nur etwas einbremsen). Meinte noch ich sollte mehr Schutzkleidung tragen, daran denken dass die Dinger zwar cool aussehen aber gefährlich sind, und hat sich wieder verabschiedet. Ich durfte normal weiter fahren, keine Auflagen oder Straf-Androhung. Also nichts in der Art wie "wenn ich Sie das nächste Mal über 25 km/h fahren sehe..." oder sowas. Daraus schließe ich einmal, dass man in Wien noch etwas entspannter ist und die bisher ungeregelte Situation nicht ausnutzt, um Leute in die Pfanne zu hauen wo es nicht notwendig ist. Wo man potentiell eine Gefahr sieht, weil jemand sehr flott unterwegs ist, wird versucht den Fahrer im Gespräch auf die Gefahren aufmerksam zu machen, damit er (auch wenn er wieder unbeobachtet ist), vorsichtiger fährt und Unfälle vermieden werden. Wer von sich aus erkennbar vorsichtig unterwegs ist, wird erst gar nicht angesprochen.
  10. WheelLog Android App

    Do you think someone may be able to add "normal" Android Wear support, such that the majority of smart watches could be used? Both Pebble and Tizen are proprietary systems. Not to say they shouldn't be supported, but Android Wear would probably be good to have as well, since there is a large choice of different hardware manufacturers building devices. According to Google, it should be easy to adapt existing apps to support such devices.
  11. New Kingsong APP (Android)

    I never unlocked the wheel. After riding 100km, I could set higher max speeds automatically. I still can set any speed limit up to 35kph (KS16S) using the old app. But the new app somehow insists that I must unlock the wheel first, even though I already have 35kph set right now (and still working, so the new app didn't mess with that setting). That's a bug. Why exactly would I need to unlock my wheel now, just because I upgraded the app?
  12. German Discussion Group

    Es ist ziemlich pervers. Ein 15kg schweres Rad mit 1-2kW Motor wird wie ein 1500kg schweres 4-rädriges Fahrzeug mit 100-200kW Motor behandelt. Da ist überall ein Faktor 100 dazwischen. Natürlich soll die unbefugte Inbetriebnahme oder das Lenken ohne Versicherungsschutz bei einem echten KFZ strafbar sein. Mit so einem Monstrum kann man eine ganze Menge Schaden anrichten, wie man ja in letzter Zeit leider öfter aus den Nachrichten erfährt, aber das steht doch alles in keiner Relation zu einem elektrischen Einrad. Die Exekutive scheint in DE wirklich unterbeschäftigt zu sein, sonst würde sie die EUC Fahrer in Ruhe lassen und sich den Dingen zuwenden für die sie eigentlich da ist. Lustig fand ich ja die Antwort auf die Anfrage im Bundestag, wo erklärt wurde dass man ja gerne eine Zulassung anstreben würde, aber dabei die Sicherheit aller Verkehrsteilnehmer weiter garantieren müsste. Da maßen sich Politiker an, die Sicherheit aller Verkehrsteilnehmer zu garantieren. Wie denn? Indem sie dafür sorgen, dass diese hochgefährlichen (Zitat bayrisches Polizei-Memo zu EUC) Einräder lückenlos aus dem Verkehr gezogen werden. Dafür darf das Einsatzfahrzeug auch mal quer über den Grünstreifen um dem Einrad am Radweg den Weg abzuschneiden (vielleicht noch mit Blaulicht? Wir jagen ja Schwerverbrecher hier...). Lächerlich. Echt lächerlich! Liebe Polizei, bitte lest hier mal mit. Nachdem EUCs ja anscheinend so eine große Gefahr für Zucht und Ordnung in Deutschland darstellen, sollte dieses Forum auf jeden Fall zur täglichen Lektüre aller Beamten zählen! Die Szene muss überwacht werden. So kann man Gruppen-Events auskundschaften und gleich eine ganze Menge dieser Leute mit einem einzigen Einsatz dingfest machen.
  13. King Song KS-16S tire pressure?

    Me too. Back when I was riding a Ninebot One E+, I had a flat about two weeks into ownership, from a really small but sharp piece lying on the sidewalk. At that time, I tried to find a better tire, with a guard system to prevent this in the future. There were some tires available with guard systems (like Kevlar) at the required dimensions (also 16x2.125), but max load was a problem. I searched high and low, visited a lot of bicycle shops, everyone was really helpful, but no one could find a tire close to 100kg max load. One guy recommended to look at scooter tires, but the ones I found, rated for higher load, were too wide. Eventually, I gave up. Repaired the flat and rode another 2000km happily without any incident. When I got the KS16S, I didn't even start looking. But I do watch tire pressure closely and try to ride at 4 bar as much as possible. After longer and faster rides, I check the tire temperature (by touching the tire). The tire does get pretty warm, but some if not most of this heat is coming from the motor, I guess.
  14. King Song KS-16S tire pressure?

    My KS16S tire looks different. There is no max load indication at all. It has the dimensions printed on it, as well as min/max pressure, but no sign of max load. I checked both sides multiple times. Instead, I found this funny green dragon. On the left, it just says "Kenda Tires", and the characters on the right (耐磨胎) mean "wearable tire", could be interpreted as "high durability" or something like that. I came across a Kenda tire for e-bikes, advertising "extra sidewall stability". Also, speed seems to be a factor even for bicycle tires. Kendas EMC type is advertised as "ECE-R75 certified and approved for usage on e-bikes up to 50 km/h". I think the main point is that at any given pressure, the load should not reach values where excessive deformation of the sidewall occurs. This would cause high wear, heat, and premature tire failure. I guess at lower than average speeds, a little more deformation / higher load is acceptable. On the other hand, running a tire designed for use on a kids' bike at 35kph under maximum load for extended periods of time may not be such a good idea. In any case, the Kenda "high durability" tire doesn't look like it's designed for a kids' bike.

    Exactly. Even while riding normally, their battery capacity readout is all over the place, jumping from 60 to 40 percent and back. They just take a momentary voltage reading and display it as remaining battery capacity, which is of course nonsense. Ninebot does this much better on the NB1 E+. However, I can see why they would take this unfiltered voltage reading to do warning beeps and tilt back. If the voltage drops, even momentarily, it means there is less power available at this very moment to balance the wheel. Maybe it is the right thing to do, to react immediately.