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  1. ChinaPhil

    Beijing ebike photos

    A few photos taken quickly whilst I was dashing around Chaoyang District. Pizza delivery: Scooters: dual rear hub motor tricycle:
  2. ChinaPhil

    How to wire one throttle to two controllers

    I am running two Cellman 350W geared hub motors, a controller for each, one common battery pack and one common throttle. One of the controllers is connected with just a single throttle wire - the signal line. This set up works well. Phil
  3. ChinaPhil

    How fast does your ampedbikes / ebikekit / cell_man 350w go?

    I do not run at 36V, but the following may help. Hardtail mountain bike Maaxis 26" x 2.35" 12s LiPo, say 48V Max 35kmph WattsUp readings: max 17.7A max 850W Guess 36V would yield about 16mph
  4. ChinaPhil

    2 motors, am I nuts???

    Some links, hope they help - NB some images are corrupt/missing: http://endless-sphere.com/forums/viewtopic.php?f=3&t=14109 http://endless-sphere.com/forums/viewtopic.php?f=3&t=24866 http://endless-sphere.com/forums/viewtopic.php?f=3&t=28153&p=406329&hilit=2807+dual#p406329 Phil
  5. ChinaPhil

    cellman NOT out of business

    Just received a hub motor and controller from Cell_man.
  6. ChinaPhil

    Black Trail Bt-01 Anybody have any dope yet

    Van Summeren had a solo win: 258km in 6:07:28, with an average speed of 45km/h in the first two hours. I feel very humble - cannot match this with my ebike!
  7. ChinaPhil

    Dogmans local trails vid, warning boring to most.

    Not boring at all, it's great to see where people ride and the conditions they face. Where and when we ride ultimately governs the ebike build criteria. Phil
  8. ChinaPhil

    Fun, photographs, facts and figures - 2WD

    Like many on this forum I enjoy the process of researching then building e-bikes but ultimately my goal is to ride to locations where I can indulge in other hobbies such as sightseeing, photography and video. These journeys normally involve hill / mountain climbing and my bikes have to have...
  9. ChinaPhil

    Share a picture of your workbench!

    No garage, no spare room so I work outside - unless there is a typhoon! Getting some 6s 8,000mAh 30C Zippies ready for charging.
  10. ChinaPhil

    Quest for "super stealth"

    SamTexas, the cows are free to roam where they want, villagers fence their crops to prevent bovine destruction. Phil
  11. ChinaPhil

    Quest for "super stealth"

    A couple of videos (I hope): cows, dogs and people do not notice the approach: http://www.youtube.com/watch?v=y1grWWx0H0s mountain path: http://www.youtube.com/watch?v=WDm7lIHih8U
  12. ChinaPhil

    ZIPPY Flightmax 8000mAh 6S1P 30C - HK.. YAY

    Hillhater, I have only one 6S 20,000mAh battery and I am using it on my Cyclone 500W bike. I like the simple wiring and the simple balance charging but guess that it is only 2C, maybe 2.5C. Thinking about getting another one so that I can use a pair (12s 20,000mAh) on my 2WD bike. The...
  13. ChinaPhil

    ZIPPY Flightmax 8000mAh 6S1P 30C - HK.. YAY

    I think the battery is the same as the one discussed here: http://endless-sphere.com/forums/viewtopic.php?f=14&t=23029
  14. ChinaPhil

    Cyclone Double Freewheel Motor for Yuba Mundo

    Another two cents. I use a 500W Cyclone motor and gearbox driving a rear derailler with a DualDrive hub. The drive train has proven to be reliable, my biggest concern is the gearbox noise (RC motors / gearing also generate noticeable, but different noise). However this bike climbs steep hills...
  15. ChinaPhil

    Why cycling is one of the biggest causes of heart attack

    As any city cyclist will know, riding your bike in heavy traffic can be, metaphorically speaking, a heartstopping experience. But now research has found that it is literally one of the biggest triggers of heart attacks. In a new sliding scale of everyday risks that prove the ‘final...
  16. ChinaPhil

    How do you calculate lipo capacity for commute miles?

    New Xlytes (Crystalyte) hub motors are discussed here http://endless-sphere.com/forums/viewtopic.php?f=2&t=24593&start=30 1Ah per mile is always a safe battery consumption calculation.
  17. ChinaPhil

    Ryno motors - self-balancing, one wheel, electric scooter

    Speed: 20 MPH Range: 30 miles level ground  Battery: Lithium Ion (36 volts at 32 amp hours) slide out with carrying handle and key lock. Suspension: 2 1/2″ travel gas charged fully adjustable Tire size: 17″ rim 25″ outside diameter x 200mm wide Seat Height: 32″ at...
  18. ChinaPhil

    Bicycle tires – puncturing the myths

    Wider tires roll faster than narrower ones. Larger diameter wheels roll faster than smaller ones. Much more at: http://www.bikeradar.com/news/article/bicycle-tires-puncturing-the-myths-29245
  19. ChinaPhil

    Cyclone electric bike kit review - 500W - battery failure

    Suggest you try Paco again, normally he is quite good at responding to email - could be Chinese Lunar Year delay.
  20. ChinaPhil

    2 wheel drive DH bike build (Delta/Wye Upgrade)

    As you have Turnigy Watt Meters do you have any data comparing one hub motor with two?
  21. ChinaPhil

    Quest for "super stealth"

    This is how I am now riding, normally both hubs but only the rear when I want to ride as quietly as possible. Must get some instrumentation to see which is the most efficient one hub motor or two. The controllers are small and I prefer some redundancy so I have not considered one controller -...
  22. ChinaPhil

    Quest for "super stealth"

    Dogman and MadRhino, you really made me think, thank you. I liked the idea of 2 switches, one to select rear WD and the second for front WD so, I used 2 cheap bicycle lights (just removed the batteries and accessed the button switches: Visually it just looks like 2 lights, "switch on" the...
  23. ChinaPhil

    Quest for "super stealth"

    Found that the supplied throttles are too visible, especially at night with 3 lights per throttle (the red button is for cruise control): so I have removed them and fitted one no bells/whistles 3 wire throttle. As the controllers are connected to the battery via a "Y" lead I do not connect...
  24. ChinaPhil

    Quest for "super stealth"

    Just been out on a ride with one throttle driving both controllers. Now I can't decide which I prefer, one or two throttles. Suspect that for audio stealth two throttles are better as only one motor can be used but, for steep hill climbing, when I am just trying to hang on, one throttle is best...
  25. ChinaPhil

    One (big) page guide

    A friend asked me to create a one page guide for adding power to a bike. There must be errors, distortion, complete screw ups etc. so comments are welcomed:
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