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Friday, 09/28/2018 10:54:38 AM

Friday, September 28, 2018 10:54:38 AM

Post# of 207120
ZJMY Engineer Talking about their SUV

From earlier conversation I realized that Mr. HU of ZJMY was the person who built the very first SUV which was presented at the Hannan Rendez-vous at the end of 2016. So I decided to ask him more questions.



0:01, Q: You are ZJMY engineer now, right?
0:05, A: Yes. I'm an engineer.
0:10. Q: This vehicle is made out of your hand, right?
0:12, A: Yes. From buying the car to modification of it.
0:18, Q: What you mean buying the car?
0:22, A: Buying new car. This is Kaiyi V3 model.
0:30, Q: So the vehicle referred in the original article was about this model.
0:33, A: Yes. That is right. SUV model.
0:35, Q: So this is the very first batch first unit one ever built. The one for Rendez-vous show?
0:43, A: Yes. I was the one who drove all the way from Anhui Wuhu to Hannan.
0:48, Q: How many kilometers from Wuhu to Hannan?
0:50, A: It was, probably over 900 kilometers.
1:00, Q: In the middle, how many times charged?
1:02, A: Charged once, and refilled (?) once.
1:15, Q: The modification you are talking about, include what?
1:20, A: Battery box, mainly battery box (pack?), the front parts, electric motor, electric control, and change the position of gas tank, and quick change (of battery),
1:41, Q: Your current swapping model is developed based on this model?
1: 45, Q: Yes. That time we were considering using this model as ride-hailing vehicle and fast-swapping of battery.
2:00, Q: Now how much km is on this vehicle?
2:04, A: It has about 45 thousand km.
2:05, Q: who is driving this car most of time? You?
2:07, A: Yes. I drive most.
2:09, Q: Drive to work?
2:10, A: Yes, include testing. I have been using it since.
2:14, Q: Now how long it can drive after one charge, roughly? Driving in city?
2:20, A: In city it can run for over 400 km without any problem.
2:26, Q: On high way?
2:27, A: On high way it is about 400 km. If economy drive it can reach 500 km.
2:47, Q: This car yesterday when I had a look when the hood is up, seems no much stuff in there.
2:30, A: Yes. Electric vehicle is very simple, comparing to fuel-burning car. The later one typically has a very large engine. This one has a electric motor. electric control, a high-voltage box, that is, very simple.
3:00, Q: So the routine maintenance?
3:05, A: It requires minimal maintenance, mainly battery maintenance, then transmission box in the front, change transmission box oil, no others.
3:18, Q: So you mean not the whole transmission, only transmission oil?
3:20, A: Yes. Only oil change.
3:28, Q: Tires?
3:30, Only brake disc, for every 60-70 km. Nothing else needs maintenance.
3:35, Q: So it is not the time to change the tires now?
3:36, A: Yes, it is not the time to change tires yet.
3:39, Q: What do think when this one is pushed to the market in the future any problem? will be welcomed by the market?
3:54, A: This is a very nice one. It is a seven sits SUV. Either as ride-hailing or family car, this is a very good one.
4:05, Q: Conservatively say, 400 km a day is enough for ride-hailing car?
4:13, A: No problem. It usually runs about 300 km a day.
4:19, Q: Now the cars on the market most common EV, what is their range?
$:30, A: Let's say Telsa, and BYD. they claim over 400 km range, in reality, they can run less than 300 km. They have too much water in their numbers.
4:43, Q: Tesla as well?
4:45, A: Yes. Tesla is a little bit better, but Tesla attenuates very seriously. Tesla's battery, after one year, will not run for three hundred km, very serious attenuation. Our car, this one, already about two year, almost no attenuation.
5:06, Q: So your technological advantage, comparing to other ones having very serious attenuation?
5:18, A: Our car, one for manual transmission, and small electric motor, not like others having 80 to 100 kw motor. Our motor only has 20 kw.
5:48, Q: This one must have a slow acceleration speed?
5:50, A: Ours has small motor. It is designed for practical use.

So the most important message I got from this conversation is that ZJMY electric SUV is built for taxi, ride-hailing and family use. It has 400-500 drive range and the range does not attenuate much comparing to the popular brands on the market.