Sound suppression

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Blov

New member
Dec 26, 2024
3
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USA
Not sure if it’s talked about but with standard tires at 35”, this is going to be a loud car. I hope that the engineers are looking at sound suppression around the wheel wells to block out road noise cuz I’m a highway driver and a quiet cabin is very good for fighting fatigue while driving
 
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Not sure if it’s talked about but with standard tires at 35”, this is going to be a loud car. I hope that the engineers are looking at sound suppression around the wheel wells to block out road noise cuz I’m a highway driver and a quiet cabin is very good for fighting fatigue while driving
Standard tires will be 33’s just as an FYI on 18” rims. The 35’s will be an upgrade. Even so-there will be some sound for sure
 
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Have they mentioned if all the windows will be acoustic glass sound dampening? Can’t remember if they mentioned it.
Haven’t heard anything on that. I hate having extra costs but with a quiet EV it would be interesting to see the cost or offer as an upgrade like Jeep did/does. Guess that was more the gorilla glass on windshield
 
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My truck runs same tires and is pretty quite so it can be done. You need:

  • Proper insulation
  • dual pane glass
Hopefully since an EV it will be really quiet.
 
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For any BEV, NVH is important because the lack of an engine to drown out other noises. At this price point I’d say acoustic glass is a must. With the Harvester and air compressor on board it’s going to be even more important to isolate those sounds and vibrations. And yes knobby wheels will make a lot of noise. Rivian has done an ok job but it could be better. Rivian also had issues with wind noise, it’s pretty annoying. Hopefully Scout spends a bit more time in this than Rivian did.
 
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If you driven Jeeps or Broncos with fiberglass/plastic tops I'd expect this to be MUCH quieter. My wife's #1 complaint on bronco is too much noise to listen to music while driving.
 
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And yes knobby wheels will make a lot of noise. Rivian has done an ok job but it could be better.
I gotta say, tire noise varies a ton by tire manufacturer - not really the OEM. Compound, tread pattern, tire-type, sidewall and tread depth are all factors in noise. I think the Pirelli Scorpion AT that Rivian spec'd for the 20's is surprisingly quiet on pavement (comparatively speaking when looking at other A/T's). The 22 and 21 tires are road tires, so really not noisy compared to an A/T or M/T.

Wind noise? Yes, definitely a consideration particularly around window seals and mirrors (as well as roof racks for the Traveler). This should be something Scout can capitalize on for sure.
 
I gotta say, tire noise varies a ton by tire manufacturer - not really the OEM. Compound, tread pattern, tire-type, sidewall and tread depth are all factors in noise. I think the Pirelli Scorpion AT that Rivian spec'd for the 20's is surprisingly quiet on pavement (comparatively speaking when looking at other A/T's). The 22 and 21 tires are road tires, so really not noisy compared to an A/T or M/T.

Wind noise? Yes, definitely a consideration particularly around window seals and mirrors (as well as roof racks for the Traveler). This should be something Scout can capitalize on for sure.
Agreed.

There are huge differences in tire noise.

(Anecdotally, I just put some Cooper Discoverer AT3 XLT's on my Jeep. They are "on road all terrain tires", and are impressively quiet compare to the Wrangler Duratracs I had on there before, and still maintain the 3peak M/S rating.

I'm curious to see what the "not offroad package" tires end up being).

And wind noise is a big one. I hope they deliver there.
 
I gotta say, tire noise varies a ton by tire manufacturer - not really the OEM. Compound, tread pattern, tire-type, sidewall and tread depth are all factors in noise. I think the Pirelli Scorpion AT that Rivian spec'd for the 20's is surprisingly quiet on pavement (comparatively speaking when looking at other A/T's). The 22 and 21 tires are road tires, so really not noisy compared to an A/T or M/T.

Wind noise? Yes, definitely a consideration particularly around window seals and mirrors (as well as roof racks for the Traveler). This should be something Scout can capitalize on for sure.
I completely agree. My personal experiences have proven that the tire itself plays an enormous role here, not just the vehicle build/characteristics or tire size.

I will also note that the tire on the concept vehicles is going to be just about the best combination of the most all-around capable tires while still being very reasonable when it comes to NVH. They’re typically some of the lightest tires as well (at least they are in the larger sizes). If SM ends up sticking with those, my experience has been they’re a great combination of all worlds for a wide variety of uses for those who end up adding the larger tire size option.
 
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Always had a Jeep so I'm used to noise, I'm sure it will be quieter than a Jeep...my question is will there be those fake EV spaceship sounds?
 
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Always had a Jeep so I'm used to noise, I'm sure it will be quieter than a Jeep...my question is will there be those fake EV spaceship sounds?
Jeep owner here (straight 6 ftw).

There WILL be outside noises at low speeds, because that is a gov regulation for anything thats capable of moving without a combustion engine running (I think its a pedestrian noise, that shuts off at ~18mph?).

So, that will be there. As will a backup noise.

Inside, I have no idea. EV motors do make a bit of noise that you can hear, but it is pretty quiet, and usually road noise covers it up mostly (I have a PHEV, and can hear the electric motor under acceleration, maybe between ~20-50mph, before the wind noise kicks up in volume).

And yes, they could put in some other noise. Some noises would be... fine I guess. But would be nice to be able to turn them off as well.
 
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Thanks Logan

Jeep owner (77-304 V8 side glass packs) lol. Hence the quiet remark lol..

It would be nice if there were a couple sounds to pick from???...
 
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I'm in the minority, but I don't want quiet. I want to hear motors, gears and mud tires. I want feedback from the vehicle. I want to feel what it is doing underneath me. I don't want to be isolated from the vehicle, I want to be one with the vehicle, haha.
 
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Not sure if it’s talked about but with standard tires at 35”, this is going to be a loud car. I hope that the engineers are looking at sound suppression around the wheel wells to block out road noise cuz I’m a highway driver and a quiet cabin is very good for fighting fatigue while driving
Quiet is better...no need to be loud to get the job done
 
Got another question...are there different motor options for different trim levels or for different options like the off road package?
 
Got another question...are there different motor options for different trim levels or for different options like the off road package?
Nothing stated officially. It’s been implied indirectly there will be a base and upgrade range for battery packs but has always been implied Scouts will be off road worthy so maybe for a hardcore off road set up maybe-but guessing primarily same motors
 
Not sure if it’s talked about but with standard tires at 35”, this is going to be a loud car. I hope that the engineers are looking at sound suppression around the wheel wells to block out road noise cuz I’m a highway driver and a quiet cabin is very good for fighting fatigue while driving
Like others have said, a lot depends on the tire choice. After 36,000 miles I was happy to replace the factory Goodyear Territory All Terrain for a set of General Grabber A/Tx’s in the factory size. The Goodyear was a hybrid Mud and A/T combo (sort of), and while it performed well, my god was it loud. The General Grabber was a pleasant change in quieter road noise. I almost went with the BFG KO2’s like Scout has, but was swayed by my local service rep. My brother swears by the KO2’s, and honestly they are pretty quiet. I think you’ll find the KO2’s in a 35 pretty livable.
 
My family has a newish Rubicon and an LJ, both hardtops. While the Rubicon is not quiet, it is entirely tolerable (with it's built in noise damping, acoustic glass, and active deadening from the sound system. I have done EVERYTHING other than go to road tires on the LJ. It was completely intolerable (I wore noise cancelling headphones while driving), to just extreamly annoying. The reinforced hard top helped a good bit (it had sound deadening built in). I have 2 layers of sound deadening over the entire floorboard now (high and low frequency). I don't generally drive it over 60mph because of the noise. MAYBE it was considered acceptable in 2004, but today it is NOT... It is considerably louder than my Tacoma with mud grips. Considerably louder than my F250 with AT tires. That said, I have to admit, the Rubicon is still probably our second loudest vehicle. (ok, technically I have not put acoustic mats in the doors yet - might help some I guess.

FWIW it also annoys me when restaurants intentionally design their interior to make them louder. Needing to use a megaphone to talk across the table is just stupidity at it's finest.
 
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My father owned a TJ with a soft top, half doors, and mud terrains. That was pretty dang loud.

My buddy at the time owned a '74 CJ5, with a V8, glasspacks, and no doors, or top. I remember one time we did a 2hr road trip to go wheeling. That was... much louder :D.

My ZJ is pretty loud by modern standards, but pretty dang quiet compared to either of the above. But I'd be lying if I said I desired the scout to be that loud.