See - Speed vs Range
Type: Posts; User: DrkAngel; Keyword(s):
See - Speed vs Range
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...
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...
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...
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...
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...
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...
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...
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...
A "good" plug-and-play item, but ...
I prefer to actually build from basic components.
Actual "Crank Drive Motor ..." build for a ~$150 outlay.
See - Crankin' It -...
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...
Bargain I couldn't pass up!
A Schwinn Front Freewheel (FF) crankset
Circa ... late...
24T does not offer the recommended "offset"
Single Chainring Advantages - Disadvantages
Eliminates the twisting (off-center) stress-wear on the crank freewheel = greatly increased reliability-usable life
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...
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...
ElectricBike.com - 10 mid-drives info & reviews!
SunRace 13-34T MegaRange - $16.99 shipped
DNP Epoch 7spd 30-32 to...
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 &...
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 >...
Crank Drive Build #1 - Stage 2
Huffy dual-suspension mountain bike
Dual chainring freewheel crank (40T/40T will change after testing)
33.3V 25.92Ah 9s12p homemade recycled Lipo...
Previous graph is for the MY1018z 24V motor with the OEM 9T sprocket.
In order to operate pedals without using the motor the use of a freewheel sprocket on the motor is required.
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...
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...
Interesting, I have noticed ...
In many years and with many many builds, 18650 laptop cells seem extremely ... reliable-consistent.
In series they never seem to fail ... they just fade away.