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DeCal Works Huge Plastic Inventory of UFO and Polisport kits.
Maybe he can use some of his 24MX money.
I think this is really going to take off!
Say they find an issue with a component, and need to engineer a new one. It might be another month before they can get the materials.
The unknown unknowns are what make production hard, and it's even hard when it takes a while to fix those issues.
I don't plan to buy one in the near future, but I respect what they are doing. It could be an awesome bike.
I work in software, we borrow as much code as possible, write some custom stuff, and package it. It's so hard to do what Stark is doing, they aren't using the chassis from another company, they aren't using much at all from another company, they are doing it all. It's a huge ask, and my only critique would be they should have padded their delivery time estimates to underpromise and overdeliver. If you've ordered something from Apple, you've seen this happen.
Maybe don't hype up a product for a year when you aren't anywhere near a production model.
This is "how to run a business like a dummy" type stuff. You need a physical product with 1000's of hours of testing before you go and start taking orders saying "it'll be ready in 1 year, no problem".
I personally think Triumph is going about it the smartest way. Tell the public you plan on making a bike, give NO DATE as to when. Do R&D for a year getting it good enough to race. Test in racing conditions via MXGP without production rules. Come out with a production bike for the public after race proven results and performance.
I think they’re just throwing jibberish out at the moment.
Pit Row
This is a bit ridiculous, it’s good to have an ambitious delivery date, but to advertise targets that are not obtainable is unprofessional on Starks part.
The initial order was supposed to be delivered by Mar 22 (a 5-month lead time) and I just received it 10 days ago. So pretty much a 6-month delay on a 5-month lead time with a massive manufacturer who has the production & manufacturing process sorted.
So, as much as Stark would have been promised by its suppliers for components that would have been the basis for original delivery dates (with a hint of a stretch target/optimism). I'm sure there are a lot of big companies climbing the walls for those components too.
I'm sure for the buyers that are not patient enough to wait 18 months for a first-of-a-kind, you will be able to sell your deposit/build slot to lots of other buyers out there.
Battery range is an issue, but before it goes flat, at high duty - a sand moto say - it has overheated.
Hence the tightly controlled 10 minute sessions at the ride impression gig earlier this year.
Similar very high performance EVs are using flooded cell battery cooling with a temp monitor for each cell. The cells all behave slightly differently so for a best practice battery individual cells are 'characterised' and the battery is assembled to take account of it.
Lots more but I can see how the chip programming and production to control this without very careful testing could be very tricky.
Don't hold your breath waiting for these bikes.
The battery pack is air cooled, but designed in a way that every cell has contact to the battery case housing for heat transfer. This is a much better design than the Alta, which only had overheating problems when pushed to the max.
So where exactly do you see/know the problem with the Stark? And how do you explain Dylan Woodcock putting a 20 min moto on the bike at said test?
I’m an engineer and I love talking about that stuff. So please share your thoughts, knowledge and explanations of the problems you see with the Varg.
Based on their quoted specs and basic electrical engineering it is extremely unlikely anyone did a full power 20 minute run.
There were zero tests at that fair; only brief ride impressions on a handful of cobbled togther prototypes by tamed journos.
If you have any actual info on who the component suppliers are, particularly for the battery cells, the inverter and it's chips and the motor it would be handy.
High performance EVs have far more complicated cooling requirements than IC with its big deltas and easy to get to hot areas. The EVs have small Delta's and in some cases may need heating not cooling to perform.
Anyway, and as usual the EV racing car guys are a lot further ahead. Getting some basic info from that area will show how much work Stark may need to do to run a 60kW motor via a 6kWh battery for more than a few seconds.
And you don’t even care to answer my question.. motor and electronics are water cooled via a big radiator with a backup fan. So no problems there, right?
For the battery we can draw comparisons: the Alta worked for most users. It had a bit less power, but a much less effective battery cooling.
Where do you see the problems/engineering deficiencies for the Varg?
And what would the component suppliers tell you about it? We know they use 21700 cells and had engineering support from Croatia.
Where do you see a problem with a 60 kW motor and a 6 kWh battery? There are road legal EVs with comparable numbers. The Porsche has 500 kW and a 80 kWh battery for example.
Here, at 32:20 Dylan Woodcock talks about his 20 min on the supercross track with the Varg:
https://youtu.be/pB7Nxbz2AB4
Edited: video time was wrong
Post a reply to: Discussion for those that have ordered a Stark Varg..everyone else go away!