Production rate theory

agordon117

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So I posted this in another thread, and did a bit more work on it since. Someone had posted that their delivery center told them 875 trucks had been delivered when we only had record of between 100 and 150 trucks. So I settled on a ratio of 1:8 for all future assumptions in this post. It seems to be close to reality. It will obviously vary day by day, and my data is not complete. Feel free to disagree with any of my assumptions, tell me I'm wrong, etc. I just figured this was more productive than checking for my vin 20 more times today, and thought maybe people would find this interesting. Before I start the theory, here are important things to note:

1: @cgladue has been doing a fantastic job compiling the data that we have on this forum. However, through no fault of his, vins assigned per day are less accurate the closer you get to the present day. I have been keeping a running list of vins assigned per day, and had to update the last 7-10 days of it because the numbers had been updated. This is caused by owners not reporting here immediately when they get their vin. For example, only 3 owners have reported a VIN assigned on 3/7, I am guesing that will be closer to 6 or 7 by this time next week. So the more recent the data is, the less accurate it is.

2: Another reason that the more recent vin assignments do not match the 1:8 assumption as closely with the outbound lot numbers, is because they have been shipping the line skipper trucks, meaning that the vin assignments are skewed away from people on this forum artificially. This is most clear the first couple of days of this month, where the shipments far exceeded the estimate. This is combined with point #1 to cause the disparity on shipments vs known vin assignments.

3: We have a VIN assignment of 22xx on 2/22, and one of 24xx on 2/28. As of 3/8, the first known 34xx vin has been assigned. Vins are assigned out of order, but these numbers all line up as plausible. If we see a later 34xx assignment, or earlier 22xx assignment, that will make my numbers work out as well as 22xx on 2/22 and 24xx on 2/28 do.

4: I have gone through and manually counted the outbound lot in the flyover videos. There are no flyovers on sunday, so my data is incomplete. I did my best, but they have not made perfect passes over the lot for me to be able to count the trucks on both sides with the same level of certainty each day. I may be off a couple of trucks in either direction.

5: I'm mostly focused on the data starting the week of 2/19. Prior to that, the outbound lot was new/in a different location, and the logistics have clearly changed.

The theory:
The number of trucks seen in the outbound lot during the flyover each morning very closely represents the number of trucks that leave the factory each day. If you want to know the output of trucks on a given day, watch a flyover, count the trucks there, and you'll be very close to the actual number of outbound trucks on that day.

We had previously thought that the outbound lot was just showing a snapshot in time, and that trucks were constantly being sent to outbound throughout the day. But my chart below shows strong correlation between the extrapolated number of vins assigned per day, and the number of trucks shipped one or two days later.

This also seems to take the 1:8 ratio of orders vs people on this forum, and make it very plausible. Everyone has had their own assumptions about how many people are reporting here vs the total population of orders, and this is the closest thing we have to real data about that






Date:Vins assigned:Extrapolated Vins per dayNumber in outbound during flyover
2/16/2418
2/17/2418
2/18/24324
2/19/2421612
2/20/2464819
2/21/2464822
2/22/2454016
2/23/2454046
2/24/2421642
2/25/24324
2/26/2443223
2/27/2464831
2/28/2454041
2/29/2432446
3/1/2432445
3/2/2432455
3/3/2418
3/4/2464848
3/5/2443259
3/6/2486449
3/7/2454027
3/8/2475627
3/9/241836
3/10/24432
Total712644





As you can see, the total values for the snapshot here of extrapolated vins vs number in outbound during flyover match almost perfectly. I don't want to massage the data too much to make my point, but you also have to note that the vins assigned are likely 1-3 days before the trucks go to the outbound lot. So if I excluded the numbers on either end where the trucks haven't been shipped yet, the number of shipped trucks would properly exceed the 1:8 assumption, based on points 1 and 2 above.


Sorry for the long read, hopefully someone besides me found this interesting.
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canyoncarver

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Elon Musk mocked Rivian for only delivering 57K vehicles in 2023 while Tesla is struggling to produce 1K CTs a month even though production technically started 60 days ago.

At this point it will be remarkable if Tesla can deliver 15K trucks for all of 2024.

Despite 10 years of experience Tesla continues to struggle with production ramp more than other automakers.
 

Gundo

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This is very helpfu l analysis
How do you know CTs are leaving the outbound lot and not there for several days?
And if you were to extrapolate, how many actual trucks are being produced/day? Seems like it varies, from 30 to 40
 
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agordon117

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This is very helpfu l analysis
How do you know CTs are leaving the outbound lot and not there for several days?
And if you were to extrapolate, how many actual trucks are being produced/day? Seems like about 40
I don't know that the trucks are not there for several days, but they don't seem to be in the same configuration day by day based on the flyovers. I'd have to do a ton of analyzing to determine if they were. But I believe that when they hit outbound, they are gone that day unless a transport gets delayed. The ones that sit for multiple days are the ones in the testing and calibration lot.


As for trucks produced per day? I'd say a good day is 80 trucks, and they are producing 5 days per week. But they don't leave the factory the day they are produced, they go to the testing and calibration lot first. If 80 per day is correct, that would be 80*5/7 days per week, 57 per day average. It's likely less than that because not every day is "optimal". And if you look at the last 10 days of outbound lot numbers, it's pretty close to that aside from yesterday.
 


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agordon117

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Elon Musk mocked Rivian for only delivering 57K vehicles in 2023 while Tesla is struggling to produce 1K CTs a month even though production technically started 60 days ago.

At this point it will be remarkable if Tesla can deliver 15K trucks for all of 2024.

Despite 10 years of experience Tesla continues to struggle with production ramp more than other automakers.
These numbers could change overnight though. Look at 2/22 vs 2/23, outbound lot. The rate jumped and they stayed higher. For all we know, next week we could see a jump from 40-50 trucks shipped per day to 100.
 
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mark555055c

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Elon Musk mocked Rivian for only delivering 57K vehicles in 2023 while Tesla is struggling to produce 1K CTs a month even though production technically started 60 days ago.

At this point it will be remarkable if Tesla can deliver 15K trucks for all of 2024.

Despite 10 years of experience Tesla continues to struggle with production ramp more than other automakers.
Please show another automaker who has created a new premium vehicle platform and has done a better jumping of ramping production.
 

tbuck

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Elon Musk mocked Rivian for only delivering 57K vehicles in 2023 while Tesla is struggling to produce 1K CTs a month even though production technically started 60 days ago.

At this point it will be remarkable if Tesla can deliver 15K trucks for all of 2024.

Despite 10 years of experience Tesla continues to struggle with production ramp more than other automakers.
Actually, not quite accurate. Tesla engineers even stated that the initial ramp will be slow, but when the ramp issues are addresses, it will start to increase exponentially over the following months. The goal noted by Must was that they should get to production rate of 125K CTs/year (that would be the rate if the December 2024 rate was true in January) and a full production rate of 250K/year in 2025.

We are already seeing signs of the first ramp-up; production issues. Every time production speed increases, new problems arise that must be addressed. This means slowing things down again, fixing the issues, and increasing production rates and revaluating. The process is continuously repeated until production targets are met.

You see production increase evidence (not only through an increase in vehicles seen/delivered), but with an increase in vehicle issues that must be addressed. If some of these items are more severe, you may see production decrease (sometimes dramatically) for a short period while that those issues are addressed. We have seen this already in the past four to five weeks.

The good news is that we are seeing rates increasing and we are seeing this evidence. However, we are not seeing the production rate decreases we saw at the beginning of February - which is a good sign that current issues have been identified and can be addressed in-line.

The difference between Tesla and other auto manufacturers is that Tesla takes a more iterative approach than traditional auto manufacturers and is not as transparent.
 


canyoncarver

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To be more specific, please show any legacy automaker who has ramped a new vehicle platform quicker, Chinese and Indian companies do not count.
Every time VAG or BMW or Mercedes launch an entirely new platform for a Sedan or SUV they are producing 100s of thousands of units globally in the first year of production.

I mean, this isn't even something we should be arguing about.

Even if we are talking completely new never before seen vehicle types (which the CT really is not) they have ramped faster. BMW produced something like 8K i3 in the very first limited production year and that was out of Leipzig as a side project.

I own a decent amount of stock in Tesla but they have face planted on production ramp over and over and over again.
 

cgladue

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Elon Musk mocked Rivian for only delivering 57K vehicles in 2023 while Tesla is struggling to produce 1K CTs a month even though production technically started 60 days ago.

At this point it will be remarkable if Tesla can deliver 15K trucks for all of 2024.

Despite 10 years of experience Tesla continues to struggle with production ramp more than other automakers.
this is true, however they are also doing things much differently and using different materials then other automakers, so its not completely a fair comparison. if they wanted to do the same thing they have been it would look much more like the model Y ramp, which went pretty normally. thats more similar to any other automaker out there who has experience with ramping
 
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canyoncarver

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this is true, however they are also doing things much differently and using different materials then other automakers, so its not completely a fair comparison.
It's not a completely fair comparison but Tesla knew what the demand was going to be based on pre orders and still made the decisions they did on what to manufacture and how they were going to do things.
 

mark555055c

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Every time VAG or BMW or Mercedes launch an entirely new platform for a Sedan or SUV they are producing 100s of thousands of units globally in the first year of production.

I mean, this isn't even something we should be arguing about.

Even if we are talking completely new never before seen vehicle types (which the CT really is not) they have ramped faster. BMW produced something like 8K i3 in the very first limited production year and that was out of Leipzig as a side project.

I own a decent amount of stock in Tesla but they have face planted on production ramp over and over and over again.
BMW producing a "new platform" , say e39 to e60 5 series is not the same as an entirely new vehicle in a new factory.

This i3 production sounds pretty similar to CT... So, to me, it sounds like prototypes are easy and manufacturing is hard(for anyone). "Side project? eh, it's a new vehicle to be produced an sold.. if there was demand for a million units a year, they still would have only produced 8k.
 
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canyoncarver

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According to the AIs of the world....

"

Unfortunately, there's no single definitive answer to how many BMW i3s were produced in the very first year of production. Here's why:

1. Production Ramp-up:

  • BMW i3 production officially began in September 2013.
  • Car manufacturers don't instantly hit maximum production capacity. There's a ramp-up period as manufacturing processes are fine-tuned.
2. Conflicting Data Sources:

  • Some sources mention around 17,000 BMW i3s being produced globally in 2013 and 2014 combined.
  • Other sources cite higher numbers closer to 25,000 for that same early period.
"
Yes, now, without using an AI crutch let's break that down a bit further.

i3 was BMWs very first production electric car.

CT is Tesla's fifth production vehicle.

CT has some technologies like four wheel steering, a rolling tonneau cover, heavy bent steel panels and massive unicast pieces that they CHOSE to use.

Tesla is also a relatively small manufacturer domestically compared to the big three as well as all of the imports manufactured here.

When orders go into parts suppliers Tesla is pretty small potatoes compared to say Ford.
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