eZee conversion with Ping batteries... Advice wanted.
- Thread starter Rob Melektau
- Start date
dogman dan
1 PW
You need to build a box around them, or find one that fits good. One time the bike falls over, bye bye cells on the corner. I used an aluminum cookie sheet to form a tight fitting box around mine, then put it in a toolbox. Coroplast, the plastic version of corrugated cardboard is also popular. And self stick linoleum floor tiles work good too. Since I live in a hot place, I used aluminum for the heat sinking properties.
Rob Melektau
10 mW
- Joined
- May 2, 2009
- Messages
- 20
Good news. No damage>!
Charged overnight, and BMS is showing all red lights, and the charger light is green. Full charge metered at 60.3v. I'm doing a preliminary install tonight. I'll post pics when I've got it running.
Charged overnight, and BMS is showing all red lights, and the charger light is green. Full charge metered at 60.3v. I'm doing a preliminary install tonight. I'll post pics when I've got it running.
dogman dan
1 PW
Yay! I was thinking others had done the same thing with no damage, but how do I know if you did too. At least put some cardboard around those things till you come up with a good protection for em. Too many sad posts saying, " I was going to buy a better kickstand tomorrow..."
DSX
100 mW
I recently got a 48v 20ahr Ping . The first night I charged it I woke to find this pulsing alien object in the room - gave me quite a shock as I wasn't expecting the LEDs. A while latter all 16 little red LEDs were burning brightly.
First ride, about 3 km - want to break it in real easy - performance not too different from 48V of lead except (to repeat what Ive read) the feeling that I'm riding a bike again. Top speed was up 2 km/hr from 39km/hr to 41 km/hr. Bloody cold though probably 1°C due to being in southern hemishere winter.
Second ride was earlier tonight about 8km - not so cold tonight - power seemed to have impoved by 10% and it just seemed to go better - top speed up to 42 km/hr on exactly the same stretch of road. Looking forward to tomorrows ride but gotta do the Saturday morning sports thing with the kids before I can let loose on the bike.
First ride, about 3 km - want to break it in real easy - performance not too different from 48V of lead except (to repeat what Ive read) the feeling that I'm riding a bike again. Top speed was up 2 km/hr from 39km/hr to 41 km/hr. Bloody cold though probably 1°C due to being in southern hemishere winter.
Second ride was earlier tonight about 8km - not so cold tonight - power seemed to have impoved by 10% and it just seemed to go better - top speed up to 42 km/hr on exactly the same stretch of road. Looking forward to tomorrows ride but gotta do the Saturday morning sports thing with the kids before I can let loose on the bike.
Rob Melektau
10 mW
- Joined
- May 2, 2009
- Messages
- 20
Ya, the disco effect got me as well.
I was surprised when I woke up in the morning. I put the battery on charge, waited about 1/2 an hour just to make sure that nothing was overheating, then went to bed. When I woke up and went to my 'work room' I came around the corner in the dark and saw this odd red glow engulfing the room. Now, I knew that the charger had one red light, but the unearthy glow coming from the general direction of the table didn't correspond in any way with what I expected. After a moment of panic, and a flick of the light switch, I came to terms what was going on, cool...
Anyway, I find that I get the flashing disco effect right after I remove the charger. Good show, lasts for at least an hour. Trippy...
I was surprised when I woke up in the morning. I put the battery on charge, waited about 1/2 an hour just to make sure that nothing was overheating, then went to bed. When I woke up and went to my 'work room' I came around the corner in the dark and saw this odd red glow engulfing the room. Now, I knew that the charger had one red light, but the unearthy glow coming from the general direction of the table didn't correspond in any way with what I expected. After a moment of panic, and a flick of the light switch, I came to terms what was going on, cool...
Anyway, I find that I get the flashing disco effect right after I remove the charger. Good show, lasts for at least an hour. Trippy...
Rob Melektau
10 mW
- Joined
- May 2, 2009
- Messages
- 20
Well, about ready for a test ride, but not nearly ready for weather.
View attachment 2
Now, I need some suggestions. If you look at the following pictures you'll see me delema. The wiring harnesses for for the bms, and the speed controller, as well as a wire from each pack to the charger socket, and speed controller. You can see where I mounted the speed controller beneath the rack. And just to complicate things, I would like to be able to take take the bags off. That means disconnecting the bms harness as well as the blue wire connecting the 2 batteries. These are at the extent of their reach (give or take an inch). Ideally I would have wired the packs together above the rack bracket, but there just isn't enough wire, so it has to be below, and therefore, I don't have the option of hard wiring.
To recap, what I figure I'm going to have to make some kind of waterproof junction box. Sound reasonable? Any suggestions?
Also, scared the crap out of myself making the final connection to the battery. Expected a bit of a spark, but damn... So, I would like to put in a proper battery disconnect switch in. What amperage switch would you suggest?
View attachment 1The 4 pin connector under the rack is for the optional peddle sensor. I won't be using it.
View attachment 2Now, I need some suggestions. If you look at the following pictures you'll see me delema. The wiring harnesses for for the bms, and the speed controller, as well as a wire from each pack to the charger socket, and speed controller. You can see where I mounted the speed controller beneath the rack. And just to complicate things, I would like to be able to take take the bags off. That means disconnecting the bms harness as well as the blue wire connecting the 2 batteries. These are at the extent of their reach (give or take an inch). Ideally I would have wired the packs together above the rack bracket, but there just isn't enough wire, so it has to be below, and therefore, I don't have the option of hard wiring.
To recap, what I figure I'm going to have to make some kind of waterproof junction box. Sound reasonable? Any suggestions?
Also, scared the crap out of myself making the final connection to the battery. Expected a bit of a spark, but damn... So, I would like to put in a proper battery disconnect switch in. What amperage switch would you suggest?
View attachment 1The 4 pin connector under the rack is for the optional peddle sensor. I won't be using it.
Rob Melektau
10 mW
- Joined
- May 2, 2009
- Messages
- 20
!!! Shake down cruise !!!
Last night I ran the motor for 90 minutes without load at 20 km/hr. @ 30-50 watts. Going in every 10 or 15 minutes to push the throttle up and down. Max wheel speed at 100w was 56.4 km/hr.
This morning I went over the bike one more time. Tightened the wheels, seat, and handlebars. Adjusted the brakes, and went for a short ride with the battery disconnected just to make sure there was no rubbing or catastrophic failures. All good.
Motor connected and peddle up to about 10km/hr and a little twist of the throttle and... ENGAGE!
Test ride #1: 16 degrees c. wind 7km/hr.
For the first 10 seconds I just gave it enough to overcome inertia, low electrical hum, and 50w draw. Nice and smooth. Out onto the road and peddle a bit more throttle to get up to about 25. Throttle up to a bit less than half. 450w & 34km/hr. Cruise for 10 minutes keeping it under 500w. Used less than 1amp/hr. Went back to the driveway to give her a bit of an inspection. Everything ok. Back out an push it a bit more. Cruised 11km total. Peddled to overcome inertia during starts, and occasionally just to help a bit on grades. Used a total of 2.5 amp/hrs. Max load 1028w. Top speed on the flat 42.3 km/hr. Average 28.6 km/hr.
1st impression; Wow, so far, everything I was hoping for. Plenty of torque even with a heavy bike and me at 240+ lbs.
Back on the charger, and 1 1/2 hours later back to full charge.
I'll take her back out again this afternoon for another run. Plan on doing about 5 amp/hrs to help break the battery in a bit more. I'll report back.
Last night I ran the motor for 90 minutes without load at 20 km/hr. @ 30-50 watts. Going in every 10 or 15 minutes to push the throttle up and down. Max wheel speed at 100w was 56.4 km/hr.
This morning I went over the bike one more time. Tightened the wheels, seat, and handlebars. Adjusted the brakes, and went for a short ride with the battery disconnected just to make sure there was no rubbing or catastrophic failures. All good.
Motor connected and peddle up to about 10km/hr and a little twist of the throttle and... ENGAGE!
Test ride #1: 16 degrees c. wind 7km/hr.
For the first 10 seconds I just gave it enough to overcome inertia, low electrical hum, and 50w draw. Nice and smooth. Out onto the road and peddle a bit more throttle to get up to about 25. Throttle up to a bit less than half. 450w & 34km/hr. Cruise for 10 minutes keeping it under 500w. Used less than 1amp/hr. Went back to the driveway to give her a bit of an inspection. Everything ok. Back out an push it a bit more. Cruised 11km total. Peddled to overcome inertia during starts, and occasionally just to help a bit on grades. Used a total of 2.5 amp/hrs. Max load 1028w. Top speed on the flat 42.3 km/hr. Average 28.6 km/hr.
1st impression; Wow, so far, everything I was hoping for. Plenty of torque even with a heavy bike and me at 240+ lbs.
Back on the charger, and 1 1/2 hours later back to full charge.
I'll take her back out again this afternoon for another run. Plan on doing about 5 amp/hrs to help break the battery in a bit more. I'll report back.
Rob Melektau
10 mW
- Joined
- May 2, 2009
- Messages
- 20
Back from break in cruise #2
Minimal peddling; Starts, hills and some grades. Otherwise motor only.
I'll let the pictures speak for themselves.
If anyone sees anything wrong with these readings, I would appreciate some feedback.
View attachment 4
Just back from the ride.
Did a couple of minor trail areas with lots of other cyclists. I don't think anyone realized I was cheating
Did get an odd look from someone when I peddled my 240 lbs ass up a hill at 25 km/h. He caught me at the light, but looked a little flustered, and a lot winded. I loved it.
Minimal peddling; Starts, hills and some grades. Otherwise motor only.
I'll let the pictures speak for themselves.
If anyone sees anything wrong with these readings, I would appreciate some feedback.
View attachment 4Just back from the ride.
Did a couple of minor trail areas with lots of other cyclists. I don't think anyone realized I was cheating
Did get an odd look from someone when I peddled my 240 lbs ass up a hill at 25 km/h. He caught me at the light, but looked a little flustered, and a lot winded. I loved it.
