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  1. Lyen

    Race Role Call - 102 Miles Enduro in California (02-11-2012)

    2012 Mega-Monster Enduro This is a once a year event against non-motorized bicycle racers. You can sign up for either the full 102 miles (164km) race or the shorter 64 miles (103km) When: Saturday, 11 Feb 2012, between 8 am (slower riders) to 9:30 am (fastest riders). Faster riders will want...
  2. Lyen

    My Trip to Interbike 2011 in Las Vegas

    Here are the pictures & videos I told from my trip to Interbike at Las Vegas. I'm still tired after a long drive from Vegas back to San Francisco (10 hours). John is the designer & founder of Stealth Ebike from Australia - (left > John, right > me) New Stealth model (absolutely beautiful)...
    • Lyen
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    • Replies: 30
    • Forum: EVents
  3. Lyen

    Critical Mass in San Francisco July 30th, 2011

    I was with the pack yesterday. This time is have noticed a few electric bikes including an E+ Tidalforce type cruiser and two other direct drive hub motor ebikes. The weather was good and people were excited as usual. :) At the beginning of the ride, the girl on green fell down in front front...
  4. Lyen

    A2B Modded For Music Dance

    I just happened to perform a test ride for an ES member "Chroot" and noticed there was a bicycle fair in the sunset and Golden Gate Park in San Francisco. I then saw the Rock The Bike with the cool modded A2B ebike again. Here're the pictures and video: PGuS2yqjHoM tO8wjxowKvs Enjoy, Lyen
  5. Lyen

    My 102 Miles Ebike Racing Experience

    This is my very first electric bicycle racing challenge at the Mega-Monster Enduro. It was a very unforgettable moment. :) When: February 12th, 2011 Why: To determine the unforeseen challenges Who: MrBill and me and other road bike racers - around 60 people I believe Distance: 102 miles or 164...
  6. Lyen

    A2B Freakin Rare Modded For Critical Mass In San Francisco

    I was joined up at the San Francisco Critical Mass yesterday and finally saw a couple of A2B electric bikes. There was a guy who modded his A2B ebike with added lighted fiber glass enclosure, double decked cranks, and speaker system. See below: Also met this guy who appreciate the use...
  7. Lyen

    Critical Mass in San Francisco 11/26/2010

    I was the only one with an electric bike this time. There were only about a little more than a couple hundred people this time due to the Thanksgiving holiday. I've got a chance to take video this time with the camera secured on the handlebar. Here is what this is about...
  8. Lyen

    Bicycle Superhighway in London, UK

    http://www.bikeforums.net/showthread.php?691336-Corporate-Sponsorship-of-bike-lanes I really wish the US government can do the same here in the US especially in San Francisco. :)
  9. Lyen

    Sensorless LYEN Controller+Turnigy RC Motor Maximum RPM Test

    Hello ALL, Since there are many people are asking me and wanted to find out the actual RC motor rotation speed with the sensorless controllers, I have purchased a couple Turnigy 80-100-B 130Kv Brushless Outrunner motors from HobbyKing for testing and future implementation. I have mounted the...
  10. Lyen

    I've got an ebike/scooter accident today

    It was quite slippery this morning during the rain in San Francisco. I was traveling at 32 mph and the tires slipped on the steel panel on the ground while crossing the bridge. My body with the e-scooter skid over 15-20 feet on the ground. Fortunately, only my right hand wrist is hurt. There is...
  11. Lyen

    Latched Hall Sensor Demonstration & How It Works

    There is one thing that not everyone is aware of when purchasing hall sensors. Some do latch and some do not. Here is the demonstration to clarify on how a "latched" hall sensor works using the ebike motor/controller hall/phase/throttle tester. The hall sensor being used is the Honeywell SS41...
  12. Lyen

    Video > Crystalyte 5305 + 116V = High Speed

    Here's the latest video from an Italian running his electric bike at 116.8V with the Crystalyte 5305 motor using 32 of Headway 38140 cells in series along with the EC124115 controller. He was running at 70-92 KPH or 43.5-57 MPH. You may noticed the sound from his low speed high torque motor...
  13. Lyen

    The 9C Motor Feels Ashamed With The 24 FET Controller

    While I was trying to attach my 9C motor to the 24 FET controller, I have noticed the 9C motor phase wires are way too thin to mate with the 24 FET controller. :oops: What are your suggestions? :roll:
  14. Lyen

    Beta Testers Wanted On Updated Lyen Controller Program @370A

    First of all, I have to apologize for not making this program available to everyone since I have an agreement with the programmer not to distribute to freely to the public. The only intend of it is to expand the capabilities to those who purchased the Lyen Edition controllers. The program is not...
  15. Lyen

    The Consequence Of Not Using High Temperature Wires

    It is very important to use high temperature wires for your battery. I have another incident a couple days ago with my 48V 10Ah LifePO4 pack. This is a completely different issue and is not related to the incident I had previously > http://endless-sphere.com/forums/viewtopic.php?f=14&t=18577...
  16. Lyen

    Liar Liar Pants On Fire > Thermal Runaway LifePO4 Ducktape

    The safety claim of the LifePO4 is a liar when duck-taped and caused my pants on fire. :cry: I had an incident while I was riding my ebike home from work earlier in the morning. While I was traveling at 31MPH for the last 6 miles, there was a car driver shouting at me telling me my ass was on...
  17. Lyen

    How Would You Build An Ebike for Lance Armstrong?

    Hello to all the respectful electric bike enthusiasts & engineers in the world! I have a silly question that I have been curious to ask. How would you build an ebike for Lance Armstrong? I assumed it has to be a road bike type on a carbon fiber frame. But how about motor(s) type? Front or rear...
  18. Lyen

    Australian develops new continuously variable transmission

    This is quite interesting and hopefully we could implement it one day. :) http://www.autoblog.com/2010/04/10/australian-develops-new-continuously-variable-transmission/
  19. Lyen

    The Beauty And The Beast MOSFETs

    I am in the process of brewing more interesting stuff. I cannot resist not to share the pictures of the MOSFETs used for the upcoming very high end controllers. See for yourself below. :) The Beauty and the Beast MOSFETs:
  20. Lyen

    More Energy Efficient Controllers Being Developed

    A new generation of high power controllers are being brewed. The resistor network to supply power to the voltage regulator will be replaced with a switching power supply. The advantage of it is at 110v the resistors will consume more than 150ma of current where as a switching power supply...
  21. Lyen

    Adding CA Connector for SilverSurfer's 18 FET Controller

    Hello Silver! Sorry to leave you in the dark for over 120 hours. I've been busy shipping things to many ES members here. But there is no excuse for me. I have made a thread here on how to wire it properly for you below so other members can benefit from it as well. Please let me know if you have...
  22. Lyen

    Running 9C Motor Without Hall Sensors

    Something work in progress. It works on both 60 and 120 degree angle hall sensors. PM me if you want one. :) xZpy1Xb_DsA
  23. Lyen

    Dumb Question > Anyone Owns an Ultramotor A2B Here?

    Hello All! I have got a dumb question. Does anyone here owns an Ultramotor A2B? I just happened to see more and more A2B ebikes in San Francisco while commuting to work and back home on my homemade ebike(s). The A2B is indeed awesome design & nice looking frame. Their headquarter also happened...
  24. Lyen

    18 FET Low RDS MOSFET Overclocker Ready LYEN Controller $199

    Update as of March 21st, 2015 Due to popular demand to use the IRFB4110. I have made a few extra model EC-184110 controllers. In fact, I have sold most of them before I even have got the chance to advertise. Part of the reason is that the 18 FET was originally a special request item from a...
  25. Lyen

    3 Tesla workers die when plane hits N. Calif. home today

    EAST PALO ALTO, Calif. – A twin-engine plane carrying three employees of electric car maker Tesla Motors struck a set of power lines after takeoff Wednesday and crashed into a fog-shrouded residential neighborhood, raining fiery debris over homes, sending residents running for safety and...
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