Motors and Axles are not ZF. They are using AAM: https://www.americanmachinist.com/n...-supply-scouts-e-drives-e-axles-american-axle
Rivian Tire Swap Function
- Thread starter THil08
- Start date
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I agree with your suggestion of not using foam tires, but I quibble with your inferring that the EV companies are trying to cover up bad engineering that makes them noisy. The exact opposite is true. The droning and vibration of an ICE masks a ton of road and wind noise. When the ICE is removed, people start hearing (and complaining about) the road and wind noise. There's only so much that can be done with tread design so OEMs have worked with the tire manufacturers to insert this foam into tires. I had a friend with a Model Y and one of the foam chunks came loose and the off balance tire nearly shook his teeth out until he could pull over. He replaced them with regular tires and just ignores the slightly higher road noise.
Tesla claims a 6dB noise reduction with a foam. Considering that every 3dB is a doubling of volume, that is a huge reduction. https://www.tesla.com/support/tires
All FUD. I got my truck in 2022 and took it to my local tire shop (they can use the Tesla pucks, but I bought my own set of pucks to be prepared). I printed out the instructions on tire swap and they have done a 5 tire rotation for me each six months since I got the truck. Sounds like Bob has beef, but he should have shopped around, bc all the smart shops WANT all the new EV business, and it ain't that complicated. The Rivian SW would be a great way for Scout to handle tire swaps!
And for reference, in winter I run Nokian Hakkas (LT3's)... They are NOT EV-specific and are super quiet.
I like BFG KO series especially the 2s and 3s, both have a quite ride, even with the Chucky treads.
I guess you've never have heard a EV motor thats not driving on the road, but thats instead off the ground a few inches with no tires on. When you do then you may speak. On EV motor engineering. The gearing set ups that these ev motors use are in no way superior to a gas engine transmission, Transmission is the big word, because thats where most of the sound in a modern day car comes from, sound denting, and mufflers quite the engine, but transmissions you hear.
And since EVs rarely use a conventional transmission, separate from the motor, they make alot more noise. EVs are similar to a RC cars, they use a gearbox, but those gears are no where near as smooth as a gas transmission.
If ICE cars could have a single single speed transmission (like Rivian, Tesla, Ford & BMW have used) I bet the would use it. But, they can't produce the torque.
I think you have this backwards. ALL the EV's I have driven are way smoother than previous vehicles I have driven in ICE trucks with clunky the transmissions, but just my opinion (and way quieter!!!)
Imma let you whatever opinion you want. Im talking for a mechanics mind, along with the period of time i have spent in the d&d center giving feedback.
I'd be surprised if that's accurate, or maybe against the loudest tire they could find. I know when my tires needed replacing I just went to Costco and got Michelin Pilot Sport AS tires which don't have foam and although it is slightly louder it's barely noticeable.
Back to the original topic: it would absolutely be amazing if Scout incorporated the ability to update your tire size in the vehicle, on your own, as soon as you install a different set of tires. Someone with the smaller optioned tires may find in the future they want to add 35s…someone with 35s may want to step up to 37s…someone may want to run winter/summer/road trip/studded/off road tire sets at different times and swap back and forth. Those sets could be slightly or more than slightly different sizes. The ability to swap on our own would be FANTASTIC.
They are, but all you need is one tire shop to miss the frame and lift from the battery and then theres an issue.
Tesla does the same. I would imagine Scout willAre we gonna see the tire Swap function on Scout? It allows you to input your tire and it will update range and driving efficiency, really helpful information.
Rivian’s 2025.06 Update Will Let Owners Swap Wheels Without a Service Visit
Rivian’s upcoming 2025.06 software update is bringing a long-requested feature to R1T and R1S owners: software-based Wheel Swap. Currently, if you want to change your wheels or tires to a different size, you have to make a service appointment so Rivian can update the vehicle’s software...riviantrackr.com
Ahh yes, very true. I often underestimate the creative ways we find to mess things up.
