ERider 8000W scooter - Australia (similar to xm5000li)

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LeftieBiker
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Nice bike, but the vid (er, opening aside) reminds me of guys doing 'burnouts' on wet cobblestones to impress. Full Knobbies on pavement, with the front brake on, aren't that hard to spin. How about a vid showing someone taking off on the bike in dry clay?

tigger19687
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Ok, that makes sense on the PDT (I was thinking it meant something about Pizza Delivery LOL )

I do not have a heavy throttle ... well, not anymore.

I only have 8 miles (about 13km) to get to work and most of the roads are 30-35 mph limits.

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

My scooter is currently on 9994.2km so expect a photo showing 10,000km very soon. :)

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 18 March 2013 @ 10,000km

Here is the photo from my dirty 10,000km old bike on my way home. It took me about 50m to pull over safely so I didn't quite get all the zero's.

10000km.JPG

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

CHL lithium battery
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

very good

CHL lithium battery
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Congratulation,this odometer is very old style,you need to ask Mountain chen to send you a new version digital odometer !

Voltage,trip,SOC ....everything on it !
IMAG0878.jpg

tigger19687
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Aww, you went out tooling around to go and hit that ! : )

Any other issues with the rear wheel nut since you put Locktight on it ?

MEroller
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Congrats Phil! I am also currently approaching that "magic" mark, but my electronic odometer will show a very odd 8958 at that point due to the 1042km on the original mechanical one :-) Maybe three or four more weeks, then my 10 000 goal will have been reached.

I am also very interested in the state of your motor axle nuts. Ever since my replacement motor was put in by the importer I have completely ignored those nuts. The guy who did the technical stuff knew what he was doing, but sadly the original importer went bust and e-sprit was now resurrected by their former tech guy who forgot to put my braking light cable back in after he retrofited a too flimsy C-BMS, and in the process did not even properly tighten the 4 pole screws per pole in my battery. Thanks to my dealer all this could be ironed out before more damage was done, but now this guy is in charge :-(

My rides:
2017 Zero S ZF6.5 11kW, erider Thunder 5kW

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Hi everyone. Yes I was just riding home after work as normal and saw 9999.9km so I quickly pulled over and took the photo.

As for my axle nuts, since putting the lok-tite stuff on the thread it hasn't caused me anymore issues. It's been seriously maintenance free for a long time now. The rear axle nut hasn't caused any problems since adding the lok-tite glue.

My bike has simply been plug and ride for ages now.

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

MEroller
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

My bike has simply been plug and ride for ages now.

Good to hear :-) My ride is also giving me the impression this time has come for me also, plug and ride, plug and ride. But it was a long and bumpy road until this comparative tranquility set in...

Oh, and I finally remembered to comment on your always negative Ah count after charging (in case I didn't do that already?): This is due to the slight but still measureable losses during discharging and charging. During charging the losses are slightly higher than during discharge. Coulomb-Efficiency (>99%) -and energy efficiency (92...96%) of LiFePO4 chemistry are responsible for these losses and will generally be turned into heat. The Cycle Analyst faithfully keeps track of these losses and adds them up.

My rides:
2017 Zero S ZF6.5 11kW, erider Thunder 5kW

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 28 March 2013 @ 10,108km

Rode into work this morning as usual and on my usual on-ramp where I have to use 100% throttle, my voltage only sat on 75.2v and no lower!! at exactly 110.5Amps! That's 8309.6 watts! I was very happy. I got into work using only 4.7Ah instead of the normal 5.2Ah to 5.8Ah.

On another note, I checked my rear tire last night and it is looking a bit worn. If I upload a photo could someone give some advice in whether it needs replacing please. It still has tread but the tread is much deeper on the sides than in the middle. I will measure how many mm tonight. Do you guys understand millimeters (mm)? If not how do you measure tiny amounts in inches?

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

Klas2k
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

"On another note, I checked my rear tire last night and it is looking a bit worn. If I upload a photo could someone give some advice in whether it needs replacing please. It still has tread but the tread is much deeper on the sides than in the middle. I will measure how many mm tonight. Do you guys understand millimeters (mm)? If not how do you measure tiny amounts in inches?"

If your tire, when looked at in profile, has a flat surface against the road, then it is time to change.
This happens on motorcycles, often touring bikes or "go to work" bikes, where you either load them heavy, and/or do not ride them hard enough to actually wear on the treads on the sides often enough, but just in the middle.
After some time the steering may also feel wobbly, like you are going over an "edge" when leaning into a turn.

If you still have plenty of tread on the middle of the tyre you could also try to lean back and forth when riding sometimes, doing a slow slalom (like 20-30 km/h) (when traffic allows for it of course) - this will "grind" the edge down a bit and make the tyre profile rounder.

/K

antiscab
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

On another note, I checked my rear tire last night and it is looking a bit worn. If I upload a photo could someone give some advice in whether it needs replacing please. It still has tread but the tread is much deeper on the sides than in the middle. I will measure how many mm tonight. Do you guys understand millimeters (mm)? If not how do you measure tiny amounts in inches?

In Australia,

to be road worthy, your tires have to have at least 1mm tread depth at the lowest point

a worn tire will wear un-evenly at the end, as there are "wear markers" built into the tire, made of softer rubber which wears away faster than the rest

Matt

Daily Ride:
2007 Vectrix, modified with 42 x Thundersky 60Ah in July 2010. Done 194'000km

Aircon
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 28 March 2013 @ 10,108km

Rode into work this morning as usual and on my usual on-ramp where I have to use 100% throttle, my voltage only sat on 75.2v and no lower!! at exactly 110.5Amps! That's 8309.6 watts! I was very happy. I got into work using only 4.7Ah instead of the normal 5.2Ah to 5.8Ah.

On another note, I checked my rear tire last night and it is looking a bit worn. If I upload a photo could someone give some advice in whether it needs replacing please. It still has tread but the tread is much deeper on the sides than in the middle. I will measure how many mm tonight. Do you guys understand millimeters (mm)? If not how do you measure tiny amounts in inches?

Antiscab mentioned the tread wear indicators...they are all you need to know if the tyre is worn or not. No need to measure. There is usually an indicator in every groove. Just follow a groove around until you get to a little raised bit. If you've worn down to that, replace. Usually, I don't wait quite that long.

Aircon
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 28 March 2013 @ 10,108km

Rode into work this morning as usual and on my usual on-ramp where I have to use 100% throttle, my voltage only sat on 75.2v and no lower!! at exactly 110.5Amps! That's 8309.6 watts! I was very happy. I got into work using only 4.7Ah instead of the normal 5.2Ah to 5.8Ah.

On another note, I checked my rear tire last night and it is looking a bit worn. If I upload a photo could someone give some advice in whether it needs replacing please. It still has tread but the tread is much deeper on the sides than in the middle. I will measure how many mm tonight. Do you guys understand millimeters (mm)? If not how do you measure tiny amounts in inches?

Antiscab mentioned the tread wear indicators...they are all you need to know if the tyre is worn or not. No need to measure. There is usually an indicator in every groove. Just follow a groove around until you get to a little raised bit. If you've worn down to that, replace. Usually, I don't wait quite that long.

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Hi everyone.

My rear tire has 5mm depth on the edges and around 2-3mm in the center. I saw the "wear indicators" you mentioned. I thought they were small bits of rubber that had not been trimmed. I am about 1 mm from the wear indicator. Thank you so much for this information.

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 16 April 2013 @ 10,353km

Well it looks like the colder months are coming again now. My hands are getting colder so it's time for the winter gloves to come out. The scooter is still going fine. I just had a minor fix-up issue. The 2 side bolts that hold on the rear boot tray were starting to come loose. I just had to get a 10mm socket and tighten it up.

Other than that the bike has been going great! Still no problems or concerns. I will keep an eye on my rear tire and replace it when it gets down a bit. I had it checked out and was told it still has plenty of tread and they pointed out the tire indicators. The battery still charges and dis-charges as normal. I had a long trip the other day and drained the battery to 45Ah and it was still performing fine. You could feel it was a little slower off the line but I was just happy to get home. The bike is just a dream to ride, nice and quiet and smooth. It will never compete with petrol versions in terms of speed or acceleration, but I bought it to simply go from A to B.

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 22 April 2013 @ 10,498km

OK It was freezing cold yesterday. I had a first aid course and had to ride my bike there at 7am and back home at 6pm. Going there on the freeway at 100km/h was fine. I had used 20.1Ah to get there in the blistering cold. Coming home I got to the freeway and it was jammed from a car crash so I turned around and went through the city. 5-8Ah wasted. On the last stretch I was heading towards my home, I had consumed 42.5Ah and at full throttle I was pulling around 82km/h and the voltage was dipping to 68.9v! When I got home, the battery voltage was resting at 75.7v after 44.1Ah and 58.1km pretty much ALL at full speed. I plugged it in as normal and the voltage bounced back up to 77.0v and started to suck some amps. I woke up this morning to see -0.31Ah so it had fully re-charged.

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Hmmm? This website crashes every time I try and add a post now?

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

tigger19687
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Thanks for the Updates

yes, everytime I seem to reply to something it takes almost 8 min to load and then says something was wrong, but it does load the reply . weird

MEroller
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Yes, this forum software is gravely bugged :-(
However, thanks for your update, Phil! In our quarters here in Germany the weather is finally getting warmer now, and my Thunder feels as if newly born! With battery temperatures well over 20°C the acceleration is once again phenomenal!
Your range even in such cold weather does astound me, though. It appears as if the Sevcon was heaps more efficient than my Kelly, and your 50Ah CHL are a completely different beast from my 40Ah GBS, that is for sure!

On a lighter note, I am just recovering from muscle aches from the belly button upwards: last Saturday I took part in a motorcylce safety training with my Thunder! In all I used about 46Ah for getting there, clowning about, riding to lunch and back, clowning some more, and for the ride back home. Distance covered was about 63km. Naturally all this was not possible on a single charge, with only about 30 usuable Ah in the battery before the BMS kicks in... I came 1h early to the meeting point to plug in and replenish my 11km ride to there and heat the battery some more (around 11°C ambient and a constant drizzle...), but by lunch I only had some 3Ah left before the "point of no return" when I would have had to stop "clowning" around and save what was left to ride home. Thankfully my Thunder was also allowed 1.3h quality "lunch time", which brought back some 15Ah. So at the end of about 8h of riding in circles, slaloms, dozens of violent
evasive maneuvers, dozens of full blast emergency braking runs from between 50 and 70km/h to standstill, and hundreds of meters of creeping at the slowest possible speed without using the feet I was far more exhausted than Thunder was :-)
And I must say that despite year-round riding I have a FAR better feel for the bike now and KNOW what to do when - despite the new shocks, perfectly adjusted head bearing, and absolutely awsome tires - the front end starts to bounce and the front wheel locks up during emergency braking: simply release the front brake a little for a split second before reapplying full tension, and all is well, without falling :-)
I now catch myself naturally slowing to sub-walking pace when approaching the end of a line of cars, anticipating the moment when things start to move again, without putting my foot on the ground LOL!

My rides:
2017 Zero S ZF6.5 11kW, erider Thunder 5kW

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Update: 24 April 2013 @10,537km

After leaving home and driving about 2.2km after my 80km/h run up a steep hill I had to stop at a red light to turn right. When the light turned green I started to accelerate and I got the usual "judders" from hall sensors not lining up right under 10km/h but this time there was a big clunk sound and I lost all power. I pulled over and saw the PDT light flashing, I didn't count the flashes but pretty much knew it would be a hall sensor failure. I turned the bike off and on again and continued riding into work as normal.

I rode home that afternoon no problems, no problems over the weekend or this morning (Monday 29 April 2013). This is about the 2nd time the bike has done this so I guess the sevcon has trouble reading the hall sensors sometimes. It seems worse when on a fully charged battery and only when accelerating hard under 10km/h.

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

branng
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Great update pcarlson! I wonder if Mountain Chen has any new updates on Thunderbolt/Lightning Bolt models to make them more 'consumer' friendly for average Joes like myself without knowledge of or experience working with electrical componentry.

P.S. New to the forums, although I have been a lurker for the longest time. Am a foreigner based here in Beijing with an electric scooter myself, so have an on-the-ground feel for the e-bike industry here in China. One issue with e-bikes/e-scooters here in China is the vast majority populace view them more as fun toys rather than as serious modes of transport and as such, the rate of development of e-bikes/e-scooter has been lacklustre. On the same token, the Chinese government has taken a clear anti-bicycle/anti-scooter/anti-motorcycle/pro-car stance (and understandably so), so it stands to reason that this discourages manufacturers from plunging in serious dosh into R&D compared to guys like Brammo and Zero, who are making genuine leaps and bounds on i) battery capacity ii) packaging and design iii) comfort and usability and iv) quality and workmanship i.e. pretty much all fronts. So it's great to see guys like Mountain Chen attempting to buck this trend to some extent. So I'd like to find out what's new with the 2013 eRider lineup.

Johnny J
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

I've had this problem 3-4 times, I can actually fix it while riding, just turn the ignition off and back on again.

tigger19687
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Does turning it off then on again Always fix it ?

Or is this just a quick fix.

Do you all know what it is that is triggering it?

I think I would be scared Poop-less if it happened to me

Of course that is why i LOVE this site and get to learn so much before I get into it.

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

So it's great to see guys like Mountain Chen attempting to buck this trend

I couldn't agree more!! Some people have ridiculed Mountain Chen, and while his bikes/scooters are not top quality like Brammo, at least they are functional and affordable. All I want a scooter for it to get from point A to B. And for the last few years and 10,000km+ it has been doing this perfectly!

I have pulled apart quite a few Mountain Chen bikes and they are actually ot that bad. Good steel and welds and built strong. Without people like Mountain, we would be at the mercy of big companies like BMW, Kawasaki etc to build us electric bikes.....I'd be waiting another 10 years!! Then I'd have to save for 5 years to buy one!

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

pcarlson1979
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Does turning it off then on again Always fix it ?

Pretty much. Except when my bike was new when nothing worked except for swapping hall sensor cables.

Do you all know what it is that is triggering it?

Mis-aligned hall sensors

------------------------------
eRider 8000w Scooter - PDT Version
72v 50AH CHL battery
350A Sevcon controller

24km: Delivered - 24 September 2011
2490km: Installed dual 35w HID lights Bi-Xenon Projectors - 27 November 2011
8313km: Installed BMS -

tigger19687
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Well I am still Jealous.
It will be about $5000 to get the Puma sent to me.
I don't have the $$ so I may not be able to get one till next year .
I was so hoping to get one this year.
better to save and get bigger as I don't have a place to store 2 ;)

branng
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Just checked out Vectrix's new website, and they seem to have been able to squeeze in a 5.4kWh (128v, 42Ah) Lithium Iron Phosphate battery into their 'baby' scooter, the VX-2.

That's some serious capacity in a very compact package. CHL/Mountain Chen - anything new from your end? Be good to find out if there are any significant technology upgrades to the scooters and the battery systems.

Johnny J
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Re: ERider 8000W scooter - Australia (similar to xm5000li)

Just checked out Vectrix's new website, and they seem to have been able to squeeze in a 5.4kWh (128v, 42Ah) Lithium Iron Phosphate battery into their 'baby' scooter, the VX-2.

That's some serious capacity in a very compact package. CHL/Mountain Chen - anything new from your end? Be good to find out if there are any significant technology upgrades to the scooters and the battery systems.

On vectrix.com I could only see those batteries in the VX-1. In the VX-2 there were lead-acid 48V 60Ah, maybe you found it somewhere else?

Some news on my Thunder:
Did a longer run the other day and got quite amazing results from my CA.
Distance: 44.71km
Avg. speed: 57km/h
Used Ah: 22.36
Wh/km: 38.0
This would mean a driving distance of a 100km on a charge with this driving pattern and it was quite normal in my city where the traffic mostly goes around 70-80km/h.

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