Search found 858 matches

by E-HP
Nov 15 2019 3:33pm
Forum: E-Bike General Discussion
Topic: Assistance with Rear Hub Motor, Speed Control and Battery Selection for a High Speed World Record Attempt Ebike
Replies: 11
Views: 131

Re: Assistance with Rear Hub Motor, Speed Control and Battery Selection for a High Speed World Record Attempt Ebike

Hi, we want to set a speed record for a FOLDING Electric bike....at present there is no world record for this particular category if there's no record, then you can set a record with your stock bicycle, unless there's some special rule against it. That would be better advertising for your company's...
by E-HP
Nov 15 2019 10:20am
Forum: E-Bike General Discussion
Topic: Preventing BBSHD Removal
Replies: 12
Views: 209

Re: Preventing BBSHD Removal

Maybe it would be possible to drill and tap a set screw through the bottom of the bottom bracket shell that prevents the unit from sliding out, even if the lock ring is removed? That can be red loctited in, and be able to withstand the heat if you need to remove it.
by E-HP
Nov 15 2019 10:14am
Forum: E-Bike Non-hub Motor Drives
Topic: Diamondback OverDrive 27.5 "RidgeRunner"
Replies: 69
Views: 11588

Re: Diamondback OverDrive, the RidgeRunner

I've only done the one trip to China Camp, clearly there's a lot more over there to explore. Lots of good stuff over in Marin as well. I saw on the news this morning that they opened up a bike lane to cross the Richmond-San Rafael bridge, so riding to Marin is a possibility! :bigthumb: 19 miles fro...
by E-HP
Nov 15 2019 9:38am
Forum: E-Bike General Discussion
Topic: Assistance with Rear Hub Motor, Speed Control and Battery Selection for a High Speed World Record Attempt Ebike
Replies: 11
Views: 131

Re: Assistance with Rear Hub Motor, Speed Control and Battery Selection for a High Speed World Record Attempt Ebike

My company are looking into building a one-off version of our folding electric bike in order to set a top speed world record, verified by the Guinness Book of World Records. Is 120KPH possible? and what wil I need hardware wise? The Guinness record for an ebike is 165mph, so you need to more than d...
by E-HP
Nov 15 2019 9:02am
Forum: E-Bike General Discussion
Topic: How to remove a stuck pivot bolt
Replies: 11
Views: 202

Re: How to remove a stuck pivot bolt

Like promised, here some clearer pics. I think this was asked before, but what bike/frame is this mounted on? Just judging by the pic, the "shock" is on the lower end, with no adjustments except pre-load. May or may not have oil damping. It could be that it wasn't meant to be serviceable or replace...
by E-HP
Nov 14 2019 9:53pm
Forum: E-Bike General Discussion
Topic: Lime Bike battery fire
Replies: 31
Views: 1382

Re: Lime Bike battery fire

As it stands, it's really the users that cause the problems. Beside not knowing how to operate them properly (they target the tourist cities, so chances are the user has never ridden anything motorized in the first place), they're the ones leaving them in the middle of the sidewalk (literally, rath...
by E-HP
Nov 14 2019 4:43pm
Forum: E-Bike Build Threads / Photos & Video
Topic: PWD's Rocky Mountain Blizzard - mid drive
Replies: 27
Views: 1103

Re: PWD's Rocky Mountain Blizzard - mid drive

pwd wrote:
Nov 14 2019 4:21pm
The limiting factor for ride time is the time it takes for my hands to freeze.
Ever consider heated grips? I started looking at them after reading DrkAngel's Snow Beast thread. They don't look like they draw too much current. Folks I know with them on motorcycles say they're pretty effective.
by E-HP
Nov 14 2019 4:38pm
Forum: E-Bike Technical
Topic: Brand new Cycle Analyst DP v3.1 Speedo stopped working. Please help.
Replies: 5
Views: 81

Re: Brand new Cycle Analyst DP v3.1 Speedo stopped working. Please help.

ax_foley wrote:
Nov 14 2019 3:31pm

I'll report back my findings.
Good luck. I'd like to hear how it turns out for future reference. I'm sure at some point I'll get a Cycle Analyst.

And by the way, welcome to the forum!
by E-HP
Nov 14 2019 2:46pm
Forum: E-Bike Technical
Topic: Brand new Cycle Analyst DP v3.1 Speedo stopped working. Please help.
Replies: 5
Views: 81

Re: Brand new Cycle Analyst DP v3.1 Speedo stopped working. Please help.

Well at least it reads accurately at a stop sign or when the bike it parked :o

I don't have one, but my understanding it that the CA is using the motor's hall signals to determine the speed. Could it be a problem with the controller not passing through the signals, rather than a fault with the CA?
by E-HP
Nov 14 2019 9:37am
Forum: E-Bike Build Threads / Photos & Video
Topic: Robs bike build
Replies: 45
Views: 6665

Re: Robs bike build

There is a volt meter on the top frame tube and cruze controll, the throttle has regen activated as received and I'm getting used to it, if you shut the throttle off it freewheel but if you close it slowly it progressively brakes down to quite slow maybe 7 kph My boy pulls wicked wheelies on it But...
by E-HP
Nov 14 2019 1:51am
Forum: E-Bike Technical
Topic: 3-speed switch
Replies: 7
Views: 196

Re: 3-speed switch

Is there any scheme where that sort of adjustment affects the power distribution at a given power level, to favour rpm vs torque? So level 1 for extra strength at lower speeds, 2 for default / normal, 3 for getting a higher top speed? That's basically what flux/field weakening does, so the trade of...
by E-HP
Nov 13 2019 8:03pm
Forum: E-Bike Technical
Topic: PAS Issue on Q100C motor
Replies: 4
Views: 94

Re: PAS Issue on Q100C motor

Ltc433 wrote:
Nov 13 2019 4:36am
It's ok I wanted to use the smaller PAS in the first place.
There's the 12 magnet/dual hall version of that smaller PAS, the V12, if you want more resolution.
by E-HP
Nov 13 2019 7:19pm
Forum: E-Bike General Discussion
Topic: How to remove a stuck pivot bolt
Replies: 11
Views: 202

Re: How to remove a stuck pivot bolt

I was able to remove the bolt itself but the pin side that anchors the coil to the frame just refuses to back out. It spins freely, do I know it isn't rusted or fused in any way. When you say it spins freely, do you mean spins relative to the frame, relative to the shock, or both? (I assume since y...
by E-HP
Nov 12 2019 5:04pm
Forum: E-Bike General Discussion
Topic: Ebike Comparison: ENVO D-35 vs. Terk Verve+ 2
Replies: 2
Views: 72

Re: Ebike Comparison: ENVO D-35 vs. Terk Verve+ 2

mark5 wrote:
Nov 12 2019 4:52pm
"Doing research before investing in new technology..." Yeah, sure you are.
This guy keeps spamming E-S :roll:
"Sam Bukhari, EBikeBC Content Creator"

from the other post "Hi Guys, I recently converted my bike with the conversion kit from EBikeBC, its been a couple months and I'm enjoying..."
by E-HP
Nov 12 2019 4:21pm
Forum: E-Bike Technical
Topic: 3-speed switch
Replies: 7
Views: 196

3-speed switch

I'm back looking at controllers since the one I bought turned out to be defective. A few that I'm considering have a 3-way switch. I've always thought those switches simply limit power in some way (current, voltage, etc.) for the middle and lower settings, with full power on the high setting. Lookin...
by E-HP
Nov 11 2019 11:17am
Forum: E-Bike Technical
Topic: Direct Drive Vs Geared Hub at 48V possible replacement
Replies: 31
Views: 699

Re: Direct Drive Vs Geared Hub at 48V possible replacement

So no idea why you keep getting this wrong: > 2x2850mAh = 5700mAh per cell or 5.7Ah. There are 52 cells in a so 5.7Ah x 4 = 22.8 Amps max output. If the layout is 4p, then 11A is your spec'd maximum discharge at the pack level. Speculating on two possible reasons; OP didn't do a unit check that wou...
by E-HP
Nov 10 2019 10:48am
Forum: E-Bike Technical
Topic: Q100CST and Top Speed
Replies: 35
Views: 854

Re: Q100CST and Top Speed

Ah no. The Q100CST is done and dusted. Now I am just concerned with replacing everything on the 1000W OK, got confused when you reintroduced the controller subject back into this thread. No problem, understandable, that's why I split the thread. Got it. Ya I agree, swap it all out. :thumb:
by E-HP
Nov 10 2019 2:35am
Forum: E-Bike Non-hub Motor Drives
Topic: handlebar controls and shifters and brakes
Replies: 3
Views: 144

Re: handlebar controls and shifters and brakes

reaching that right side trigger shifter sucks, and the brake levers aren't easy to cover either. what all do you guys do about this? I use a gripshifter on the left side backwards, since my throttle is on the right. It more or less has the same profile as the throttle you have on the left side. gr...
by E-HP
Nov 09 2019 10:34am
Forum: E-Bike Technical
Topic: Q100CST and Top Speed
Replies: 35
Views: 854

Re: Q100CST and Top Speed

Ltc433 wrote:
Nov 09 2019 10:06am
Ah no. The Q100CST is done and dusted. Now I am just concerned with replacing everything on the 1000W
OK, got confused when you reintroduced the controller subject back into this thread.
by E-HP
Nov 09 2019 8:51am
Forum: E-Bike General Discussion
Topic: low voltage cut off when riding a long ride
Replies: 10
Views: 268

Re: low voltage cut off when riding a long ride

Hi i had a voltage cut of today on my e bike for the first time i was full throttle for about 65 km in distance doing a speed of 50km would i have damaged the battery or does the cut off stop it from being damaged ? :warn: It's relative. What voltage level are you normally comfortable with the batt...
by E-HP
Nov 09 2019 8:31am
Forum: E-Bike Technical
Topic: Q100CST and Top Speed
Replies: 35
Views: 854

Re: Q100CST and Top Speed

This thread is for the Q100CST bike. So I have a 30 amp controller, not a 14 amp one. Do you think I should just swap the motor out for a Q128C / Mac. A new controller and Dispaly etc would add about 100USD so not that bad. I read somewhere that they are all matched to the controller and may not wo...
by E-HP
Nov 08 2019 7:57pm
Forum: E-Bike Non-hub Motor Drives
Topic: My Bafang Ultra Mountain Bike! NEW FREY EX and FREY CC
Replies: 41
Views: 3076

Re: My Bafang Ultra Mountain Bike! NEW FREY EX and FREY CC

I'm not sure connecting a 52v and 48v battery at the same time is good... It’s best to do this on the 4th of July. So your plan is to charge both to 54.6, then let count on the bms for shutting down the 52v battery in time? Or monitor the voltage and unplug it at the right time? Sent from my iPhone...
by E-HP
Nov 08 2019 7:45pm
Forum: E-Bike Technical
Topic: System Troubleshooting Help
Replies: 7
Views: 144

Re: System Troubleshooting Help

Thanks E-HP, and ugh! It was the infineon jumper that was limiting power. It makes total sense and I am sorry for troubling everyone over a simple mistake of mine. I am still sorting #1 and #2. For #1 I wonder if your brake switch is momentarily activating, maybe over bumps. Not sure if the behavio...
by E-HP
Nov 08 2019 7:13pm
Forum: E-Bike Technical
Topic: System Troubleshooting Help
Replies: 7
Views: 144

Re: System Troubleshooting Help

I have a 3 way switch, but on the CA3, not the controller. The controller has the 3 way control plug, and it is jumpered to one of the settings full time. I thought maybe the jumper got loose some way (I don't have one, but my understanding is no jumper would be the middle power setting on the 3-way.
by E-HP
Nov 08 2019 3:33pm
Forum: E-Bike General Discussion
Topic: Getting amazing range with BBSHD or faulty display?
Replies: 16
Views: 282

Re: Getting amazing range with BBSHD or faulty display?

I have also learned that once the bar graph shows less than 100% my pack is about 50% discharged and I should be heading home. After using a watt-hour meter to get to know the bike, I think these simple rules make the most sense, since even with a super accurate state of charge, you still have to m...