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  1. Replies
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    22.2V 30.24Ah Battery Build

    22.2V 30.24Ah NOS Laptop Lipo ... ""100701" = 2010 July 01 dated cells.
    I know, I know ... I said 22.2V was too wimpy!

    But, I tried my latest 25.9V 25.92Ah battery build on my latest ...
    2013...
  2. See - Speed vs Range...

    See - Speed vs Range
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    36V 800w kit will require 1600w to output a peak...

    36V 800w kit will require 1600w to output a peak 800w.
    1600w / 36v = 44.4A
    So a 10Ah battery would have to be ~ 5C capable
    Continuous 800w output would drain battery completely in about 10-12...
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    Pretty much, the only way to tell, is to try it,...

    Pretty much, the only way to tell, is to try it, run 36V jumper wires to the pack contacts.
    If the throttle leds light up, it supports ...

    42V, full charged 36V, has not damaged any eZips I've...
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    548

    Old school is paraffin wax. I've tried paste wax...

    Old school is paraffin wax.
    I've tried paste wax - pretty good.
    Made the mistake of trying manufacturer recommended lithium grease - horrible stiff-sticky!

    After replacing cables I intend on...
  6. Replies
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    Sticky: After 3 Winters, my homemade studded tire finally...

    After 3 Winters, my homemade studded tire finally suffered a tube failure.

    As mentioned previously, I used no type of tire liner-tube protection.
    My intention was to determine unprotected damage...
  7. Replies
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    Just found a 46T Schwinn-Shimano FF 46T Single...

    Just found a 46T Schwinn-Shimano FF 46T Single freewheel crank.
    Perfect for my pedal assist at my preferred 33.3V.

    Newest addition seems advantageous over the dual chainring. Chainring is...
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    675

    460w rated output motor. Motor attains peak watt...

    460w rated output motor.
    Motor attains peak watt output at ~40% of no load speed.
    This "peak" motor output point coincides with a 50% efficiency.
    At peak output point, 36V input, motor will accept...
  9. Replies
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    675

    460w motor is 460w peak output. 460w peak output...

    460w motor is 460w peak output.
    460w peak output requires 920w input, so, ... 920w/36V = 25.5A ... 25A minimum controller required to meet oem rated, 30 amp probably acceptable.
    1000w sound about...
  10. Replies
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    Never claimed I sustain 30mph! I merely stated...

    Never claimed I sustain 30mph!
    I merely stated that cycling 30mph in 30mph traffic would be ideal.

    Ideally, I could fine tune a bike for motor only 20mph (legal) but that supplies substantial...
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    A "good" plug-and-play item, but ... I prefer to...

    A "good" plug-and-play item, but ...
    I prefer to actually build from basic components.

    Actual "Crank Drive Motor ..." build for a ~$150 outlay.
    Battery additional!

    See - Crankin' It -...
  12. Replies
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    Hot Damn! Schwinn freewheel crank arrived. A 37...

    Hot Damn!
    Schwinn freewheel crank arrived.
    A 37 year old item in excellent condition! (1977)
    No noticeable wear on the chromed teeth and no traces of rust near the bearings.
    Freewheel is nice and...
  13. Replies
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    9,330

    Bargain I couldn't pass up! A Schwinn Front...

    Bargain I couldn't pass up!
    A Schwinn Front Freewheel (FF) crankset

    http://endless-sphere.com/forums/download/file.php?mode=view&id=129738&sid=fe5c68d771207461e560f2d93df35e9c

    Circa ... late...
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    Chainring selection 24T does not offer the...

    Chainring selection

    24T does not offer the recommended "offset"
    http://www.sickbikeparts.com/catalog/images/24t.jpg
    30T
    http://www.sickbikeparts.com/catalog/images/30t.jpg
    36T...
  15. Replies
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    Single Chainring Advantages - Disadvantages ...

    Single Chainring Advantages - Disadvantages

    Advantages
    Eliminates the twisting (off-center) stress-wear on the crank freewheel = greatly increased reliability-usable life
    Reduced cost!...
  16. Replies
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    Freewheel cranks Got 1, then got a spare....

    Freewheel cranks

    Got 1, then got a spare.
    These are some unknown items with original source unknown, so don't ask me.

    Got a double chainring, then a discount on a single.
    All 3 chainrings are...
  17. Replies
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    Gitten-er-done! After draining my 33.3V 26Ah...

    Gitten-er-done!

    After draining my 33.3V 26Ah (9s10p) to 33.2V, ~3.7V per bank, I marked resultant voltages and added complementary 2s to each bank as deemed advisable.
    Lowest bank got the best...
  18. Replies
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    Mid-Drive Resources ElectricBike.com - 10...

    Mid-Drive Resources

    ElectricBike.com - 10 mid-drives info & reviews!

    Mid-Drive Kits
    GNGeBike.com
    Lectriccycles.com
    Middriveebike.com
    eBay
  19. Replies
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    Crank Drive - Parts-n-Such

    Some Components:

    SunRace 13-34T MegaRange - $16.99 shipped
    http://endless-sphere.com/forums/download/file.php?mode=view&id=127668&sid=863f78972c7f63cf20513881d090c530

    DNP Epoch 7spd 30-32 to...
  20. Replies
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    33.3V 31.2Ah eZip RMB Pack Build

    Well, I keep claiming that I have squeezed the maximum number of 18650s into the oem eZip pack.
    7s12p .. 8s12p ...
    Finally ... this might be true.

    Next build was going to be a "hybrid" 18650 &...
  21. Replies
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    Stage 4. Important, IMO, is the survivability...

    Stage 4.
    Important, IMO, is the survivability of the drive train!
    Shifting under throttle will produce a (un)healthy "clunk" ...
    an impact on all drive train components: motor > chain >...
  22. Replies
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    Crank Drive Build #1 - Stage 2 Components:...

    Crank Drive Build #1 - Stage 2

    Components:
    Huffy dual-suspension mountain bike
    Dual chainring freewheel crank (40T/40T will change after testing)
    33.3V 25.92Ah 9s12p homemade recycled Lipo...
  23. Replies
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    Motor Freewheel

    Previous graph is for the MY1018z 24V motor with the OEM 9T sprocket.

    Stage 3.
    In order to operate pedals without using the motor the use of a freewheel sprocket on the motor is required.
    The...
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    Salt Snow Below about 20 F, salt will not melt...

    Salt Snow
    Below about 20 F, salt will not melt snow.
    What it will do is mix in with the snow to a brownish semi-packed type ... ~slurry.

    Worst of all, this slurry semi melts against the slightly...
  25. Replies
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    Crankin' It - Mid-Mounted Crank Drive

    For years now, I have been considering a mid-mounted freewheel crank drive.
    Running a geared reduction motor through the 7 speed freewheel sprocket, or freehub cassette.
    Most any bike could be...
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