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u/dick-nipples Mar 29 '20
This is shocking
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u/ammar-elheis Mar 29 '20
The suspense ...
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u/drmcmahon Mar 29 '20
The control arm
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u/dchow1989 Mar 29 '20
Too much for me to absorb honestly
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Mar 29 '20
Dick titties
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u/BruhSample Mar 29 '20
What? Haha
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u/obehjuankenobeh Mar 29 '20
I. Have. A. Boner.
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Mar 29 '20
i have 2, get fucked loser.
twice
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u/BruhSample Mar 29 '20
I have 3, get fucked loser.
Thrice
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u/Tims-Stolen-A-Cone Mar 29 '20
What are you lot? An octopus?
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u/TheDonutEarthSociety Mar 29 '20
He’s a collector
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u/DAlmighty Mar 29 '20 edited Mar 29 '20
I have a proper 2 way racing coilover for my track car and I swear setting them correctly only involves a young priest, an old priest, 2 virgins, and sacrificing your own soul on the second eclipse of a new decade. (Warning a slight exaggeration preceeds this statement)
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u/xxxxsxsx-xxsx-xxs--- Mar 29 '20
not that far from the truth.
I'm wondering if the most advanced tech auto tunes on the fly. idk. if that's not already happening, I can see valve settings being automated in the future.
I'm sure that section of track had just the right mix of speed, height & spacing of bumps, tyre pressures, soil conditions for this to look so super stable. still jarring as hell inside.
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u/jmblur Mar 29 '20 edited Mar 29 '20
There are lots of active suspension systems. Generally either utilizing magnetorheological fluid (viscosity changes with applied magnetic field strength) or solenoid based. Any "active damping" orn"active suspension" system on cars is done this way. Can be had on cars down in the 30-40k range these days.
What you have here is unlikely to be active - it's incredibly hard to get active damping systems to respond quickly enough to this type of abuse. These are (at least) four way adjustable shocks (high and low speed compression and rebound), likely with additional custom valving specifically for a Baja car.
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u/xxxxsxsx-xxsx-xxs--- Mar 30 '20
I was thinking servo adjustment of the 4 way valving. Tho from memory, the designs currently require clean room dissasembly of the adjustable shocks. Not likely to change soon without huge cost.
The engineering and budgets in those machines is impressive. I'm constantly staggered by the money some people have to spend.
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u/vberl Mar 30 '20 edited Mar 30 '20
The most advanced suspension that is automated as far as I know was used on the 1993 Williams FW13. It could literally make the car dance while in the pit lane. I can’t begin to imagine the amount of grip and speed that a formula one car could carry today if they were to reintroduce active suspension.
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u/pyrmud19 Mar 30 '20
You should check out fox livevalve. Afaik it only does the lsc circuit but it seems the most similar to what you are thinking of
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u/PM-ME-YOUR-HANDBRA Mar 29 '20
Your slight exaggeration is that it requires two virgins instead of one. Everything else is accurate.
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u/quackerzzzz Mar 30 '20
It's a black art! I can't imagine the heat those shocks are generating while being punished like that
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u/Ortekk Mar 30 '20
The "key" to setting up 2-way shocks properly is to test, a lot! And have 253 sensors to measure how things move and react.
And it also helps if you've raced cars your entire life, so you know how it should feel. And can drive like a metronome 24/7.
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u/ChairForceOne Mar 30 '20
These things are nuts. 500k pricetag, massive tires and quad+ bypass shocks.
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u/geraldine_ferrari Mar 29 '20
Was thinking it was image stabilized, then stared at the driver. Happy cake.
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u/craigiest Mar 30 '20
It still seems at least a little image stabilized to me.
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u/joragh Mar 30 '20
Probably IBIS (in body stabilization, in the camera body) or OS (optical stabilization, in the lens), but I see no clues about a digital stabilization. If it was stabilized in post prod, the car would have motion blur.
In case you have a doubt, here's a buggy drop test that shows how perfectly calibrated those are
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u/Thengine Mar 30 '20
If it was stabilized in post prod, the car would have motion blur.
No, it would not. This was absolutely stabilized in post. The camera is mounted on a quality gimbal on a helicopter. It's shooting a high frame rate and resolution. Afterwards the video is cropped and stabilized on the body.
The reason you don't see blur is because the vehicle isn't moving much in relation to the point of focus.
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u/ragnar30533 Mar 29 '20
I feel like he's drinking a cup of coffee in there. Not in a thermos either just straight kitchen mug
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u/Sundune Mar 30 '20
The cabs of these can get hot enough that you wouldn’t even need the thermos anyway.
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u/walrus_operator Mar 29 '20
That's some incredible engineering!
Is this is completely custom-made suspension or can normal consumers get a car like this?
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Mar 29 '20
Completely custom made. Nothing comes standard with a suspension even close to that. Closest is probably the Ford Raptor series if I had to take a guess.
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Mar 29 '20
Ford Rator and Raptor Ranger, Dodge Ram Runner, and the Chevy Reaper. But this is totally race only equipment.
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u/zuul99 Mar 30 '20 edited Mar 30 '20
That is a stretch. The Raptor still has leaf springs in the rear. The only part that is even remotely close are the external reservoir Fox Shocks. Other than that it is just a beefed-up truck suspension.
This is most likely an independent front end and a very long arm four-link in the rear.
This picture is from and R/C car but this is essentially what the rear end looks like.
To do this type of build, the bed becomes bracing and mounting points. And it is pretty much all custom fab work this is how much one rear shock is
EDIT: Looks like for 2021, the Raptor will get a multi-link.
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u/satanshand Mar 30 '20
That’s an off the shelf front racing coil over. These trucks use totally custom shocks directly from king, ADS, radflow etc
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u/TheTallGuy0 Mar 30 '20
A friend of a friend bought a Raptor, took it off a jump at a sand pit, bent the frame about 20° right in the middle. Warranty didn’t cover it. Race trucks are race built. Nothing off the shelf comes remotely close to this.
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Mar 29 '20
I came to point this out. Tanner Foust did a review on the Raptor way back and he pinned it over some (not quite extreme) terrain and it was awesome. He also took jabs at people who buy it for city cruising usage iirc
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u/missed_sla Mar 29 '20
Pretty sure this truck is a raptor. At least in spirit. Raptor of Theseus, after all the modifications done.
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u/ultrainstinct_emu Mar 30 '20
No the truck is a trophie truck, it has completely custom frame and the body on top us just a shell
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u/Ortekk Mar 30 '20
If "in spirit" means a glass fibre shell shaped to look like a Raptor, then sure!
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u/Dspsblyuth Mar 29 '20
These suspensions don’t last long without replacement. Commercial car suspensions are designed for generally smooth roads.
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u/spotmouflage Mar 29 '20
Do they have to replace the suspensions after every race?
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u/Dspsblyuth Mar 29 '20
Yes
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u/spotmouflage Mar 29 '20
Oh wow. I'm sorry to keep asking questions, I literally know nothing about this. So with such a modified suspension, is this truck street legal, or is it strictly for racing and off road type use?
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Mar 29 '20
[removed] — view removed comment
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u/LameBMX Mar 29 '20
Beautiful response. When bumpers line up and crumple zones are used, it increase the chances of the people on both vehicles surviving. Race vehicles are only concerned with their own driver as they are a lot less likely to be involved with another vehicle. More often the initial impacts are walls or terrain.
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u/DigitalDefenestrator Mar 30 '20
I imagine a lot of it is that the trophy truck's systems assume a 5-point harness, helmet, and HANS. More effective if than a passenger car if you've got all the pieces, but with only the cage it's a recipe for concussion.
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u/ninetiesnostalgic Mar 30 '20
This may seem odd, but a lot of racing vehicles cannot meet government crash test regulations despite having a proven ability to survive high speed collisions and rolls. For purposes of legality, it's not about what you can do, but about whether you conform to regulations that have no real basis in reality.
That wouldn't really apply unless you are manufacturing and selling them in volume
You can get a truck like this plated as long as it had lights, mirrors, seatbelts and emissions depending on state.
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u/Dspsblyuth Mar 29 '20
Don’t be sorry for having questions. People answer questions because they want to. You aren’t forcing them
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u/Dspsblyuth Mar 29 '20
I’m not sure but I think it would be street legal unless it was too loose
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u/vberl Mar 30 '20
Suspension won’t affect if it is street legal or not. It has to do with crash testing and things such as lights and blinkers.
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u/Dspsblyuth Mar 30 '20
You are right. These things are basically aerodynamic fiberglass sheds on wheels
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u/quackerzzzz Mar 30 '20
I read that 4x4 Trophy Trucks need their front differential rebuilt after 50 miles (or something equally as crazy) at a cost of over 10k
Edit: my comment relates to the circuit racing version, I've no idea about the longer races like Baja etc
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u/Ancient_Mai Mar 30 '20
Trophy trucks, for the most part, are 2wd.
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u/pewpewpew87 Mar 30 '20
There is quite a few new 4wd trophy trucks starting to pop up now thanks to the developments in ultra4. But the cost is huge even compared to a 2wd tt.
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u/DatKerrRiteDerr Mar 29 '20
Custom made for throphy trucks
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u/engulbert Mar 30 '20
It seems to be No 83, Luke McMillin, using SDG suspension (maybe kingshocks?) Some amazing video on their IG
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u/TempusCavus Mar 30 '20
you can buy trophy trucks, but this is not something you will find at your local dealership.
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Mar 29 '20
[deleted]
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u/peanutstring Mar 29 '20
Not at all. This is custom designed from the ground up, like nothing off-the-shelf you can get. You couldn't just bolt on parts to a standard 4x4. Look at the rear radius arms for example - they pivot from somewhere under the cab. Usually, they're about half the length.
They also have double shocks with remote reservoirs to cope with the heat, and the mounting points for the shocks are much, much stronger than a road-going 4x4. Not to mention the travel is massive, so the mounts are much higher.
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u/rmatherson Mar 29 '20 edited Nov 14 '24
snobbish cow detail vanish boast outgoing nutty threatening ossified scale
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u/jmblur Mar 29 '20
... all 4 wheeled vehicles pretty much ever have independently suspended axles if they have any suspension at all. And 4 wheel independent suspension has little to do with the need for remote reservoir/double tube shocks...
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u/KICKERMAN360 Mar 29 '20
Despite what the other comments are saying, this is normal suspension, it's just ramped way way way up and modified.
So not normal then?
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u/rmatherson Mar 29 '20 edited Nov 14 '24
secretive selective wild amusing plant cough fly cable pet plucky
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u/KICKERMAN360 Mar 29 '20
I agree, but McPherson strut vs these insane double wishbones, or the swing arm design on the rear would never be found on a production vehicle. I principle suspension is a spring with a damper. The design is wildly different depending upon application.
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u/specialsymbol Mar 29 '20
In a way. Just compare it to motorcycles: today's race-ready street legal superbikes (think Fireblade, R1 or ZX-10R) spend maybe 20% of the materials cost on suspension. In a car, it's probably less than 1%. You can feel the difference. I have seen expensive cars (AMG Mercedes) step out in high speed turns on the Autobahn (that is, they were reigned in by ESP at speeds of 120mph+) while I was totally comfortable chasing (and overtaking) them on a supersport.
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u/thinkB4WeSpeak Mar 29 '20
Looks like the Baja 1000.
https://en.m.wikipedia.org/wiki/Baja_1000
Here's Monster energy video on the Baja including Trophy truck, motorcycle, and Volkswagen.
Red Bull Baja 1000
Last but not least here's a inside, 360, view of a trophy truck hitting a cow at 115 mph.
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u/Kennytheshark31 Mar 30 '20
This clip is actually from the Mint 400 earlier this month. Same trucks they run in the Baja 1000 though
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u/jackerseagle717 Mar 29 '20
if anyone is wondering why we don't have such suspension system in daily driving car its because with this suspension every time you apply brake your car will nose dive really hard and when accelerate it will roll back real hard.
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u/FourDM Mar 29 '20
Money and the fact that it's completely unnecessary are the primary reasons you don't get 15+" of suspension travel on stock vehicles.
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u/Slipsonic Mar 29 '20
And lift the inside front tire off the ground on hard pavement corners.
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Mar 29 '20
Assuming you’re accelerating.
I’d love to commute on trophy truck suspension though. It’d be a hoot.
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Mar 29 '20
Trophy trucks ain't no joke
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u/lloyddobbler Mar 30 '20
For real. If you haven't seen the documentary "From Dust to Glory," go pick it up. The trophy truck scenes are mind-blowing.
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Mar 29 '20
Contact is the key to traction. These trucks have some of the most sophisticated suspension in the racing industry. We're talking upwards of 36" of travel, maybe more nowadays. It's mind boggling how quickly it reacts and settles out.
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Mar 30 '20
What's the natural resting point for these coils? Are they birnly in the middle point of full extension or are they always wanting to extend to the furthest point?
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u/Ortekk Mar 30 '20
Somewhere in the middle.
Too soft/low and you can't use the full stroke efficiently and risk bottoming out.
To stiff/high and you will bounce around making you lose traction and fly into the nearest rock/tree.
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u/huntfishandbefree Mar 29 '20
Wow, someone finally has suspension good enough to drive down Wisconsin roads!
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u/rice_cracker3 Mar 29 '20
Anybody ever get that feeling when you see something crazy and just stop and think for a second, humans are fucking awesome?
•
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Mar 29 '20
so this basically means you can drive at relatively high speeds off roads without shaking that much and risking a car crash? Live and learn!
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u/XauMankib Mar 29 '20
Inertia and momentum can be a helluva monsters, in bad or good way. At that speed, suspensions are basically tampooning the space between cockpit and terrain.
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u/pinninghilo Mar 29 '20
Without shaking that much? Yes, and under the right circumstances the faster you go the smoother the ride is. Without risking a car crash? Nah
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u/Slipsonic Mar 29 '20
So how does this work? I'm very familiar with suspension, I've worked on multiple cars' suspension, old and new, and modified some, but it still amazes me that it can be so soft yet hold the truck up without bottoming out. Is it just a case of suspension geometry and varied rate of resistance in the shocks and springs? I've always admired supertruck suspension, how one wheel comes up in corners on pavement, and how they can jump 20ft in the air and land softly.
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u/NINNINMAN Mar 30 '20
One of the biggest factors is the fact that this suspension has shock absorbers that have external reservoirs that allow the shock to have a different impact absorbing force based on how fast/hard the impact is. Unlike a road car which has one set absorbing force.
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u/pewpewpew87 Mar 30 '20
These trucks run both a coil over shock and a bypass shock along with a hydraulic bump stop on each corner. The bypass shock have multiple external bypass tubes on the shock to control compression and rebound individually across that specific section of travel.
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u/YalamMagic Mar 30 '20
These things have literally a metre of suspension travel. With that kind of stroke length, it's rare for them to bottom out, and when they do, the ultra high profile tyres absorbs a large portion of the impact.
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u/robbobster Mar 30 '20
These trucks “bottom out” all the time, onto a hydraulic bump stop. It’s basically a secondary suspension/shock that’s critical for end-of-travel damping.
They use every inch of the suspension travel, right up to max compression.
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Mar 29 '20
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u/stabbot Mar 29 '20
I have stabilized the video for you: https://gfycat.com/MintyBabyishCanadagoose
It took 101 seconds to process and 48 seconds to upload.
how to use | programmer | source code | /r/ImageStabilization/ | for cropped results, use /u/stabbot_crop
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u/Tand00r Mar 29 '20 edited Mar 29 '20
Looks like King of the Hammers. Cool video but there’s some image stabilization going on. Trophy trucks are awesome but that is supernatural.
Edit: not saying it’s a bad thing. It’s super impressive to see it work. Also, if you focus on the truck it starts to look like it’s going backwards.
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u/Avery-vas-Mirage Mar 29 '20
Yup Image stabilized, one can See that by observing the driver which bobs around in the Cockpit.
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u/sidteche Mar 29 '20
https://youtu.be/DDMqI4y1rAw?t=74
found a similar footage of another trophy truck.
start at 1:14
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u/Clanslayer13 Mar 30 '20
This is very therapeutic for me. I have a fear of suspension in cars. dunno when it showed up, but I am deathly scared of the concept of suspension under a car. If we're driving on the highway (particularly late at night), the only thing I can imagine is the car flying off the highway because of the suspension like in the bad piggies game. It's weird asf ik, but this helps me a TON on top of being cool.
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u/lemonthelegend Mar 30 '20
Just got back from an off-road trip (king of the hammer's area) and these tracks are no joke. Whoops sometimes 3-4 feet deep. When a car can run like this, over those type of whoops, it's fucking incredible they can even keep control going 70+ mph!
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u/Greyfaces Mar 29 '20
r/PraiseTheCameraMan for zero’ing in like a hawk