Is Toyota saying that 120lbs is all that the roof can carry, OR are they saying that's all Toyotas crossrails will carry, OR i've heard the theory that that is dynamic load limit for when the vehicle is moving but that when its static (stationary) the roof can hold much more. First off don’t buy a heavy roof top tent that the dynamic weight of your roof or roof system can’t handle. Some of my first choices were the Gobi Stealth Rack, BajaRack Utility (Flat) Rack with sunroof cut out, Front Runner Slimline 2 Roof Rack, and the Rhino-Rack Pioneer Platform roof rack. Home Topics Motoring & Transport Motors Buying and Selling Roof rack loads - dynamic vs static Notices Welcome to Boards.ie; here are some tips and tricks to help you get started. Actually my current set up is yakima timberline crossbar kit that weigh about 15lbs and a treeline outdoor 2-3 person tent that weigh around 130lbs. Your car will handle better, have less chance of rolling over and have less strain put on the roof. (plus body weight obviously?) Dynamic Load The main difference between a static and dynamic load lies in the forces produced by the weight of an object. I’ll let you know what they say. The reason is simple; when you are off road, you put more stress on everything, so it is de-rated. Did you know the roof on your 4WD has a weight limit? I checked the car’s actual manual and it actually says 80 KG. I used my ob roof rack to carry two 14'+ kayaks for a season. It’s just a pain that I can’t find anywhere the owner’s manual for my Holden Frontera from 1999 and with 2 doors. Next time you are bouncing your way along a tough 4WD track, spare a thought for how your roof and the roof rack feels! In a dynamic load, it might change abruptly during acceleration or deceleration or weight may shift from one area to another. Suggestions? Centre of gravity is super important when it comes to a 4WDing. In most cases, the static weight capacity of a pallet will far exceed its dynamic capacity or edge-rackable capacity. The blame always goes to someone, and if you caused the death of someone through your negligence (by overloading your roof racks) you could be in a terrible situation. The manufacturer of the roof rack will give a load rating, when installed as per their instructions. To check if a roof-top tent will work on your vehicle, look up the following information: Total tent weight: That should be in the tent's product specs. If you have a vehicle that is heavily loaded on the rear, consider having the roof racks further forward. If you have more weight on the roof than what your vehicle manufacturer has set, your vehicle is not roadworthy and the insurance company has a valid reason to deny or reduce your claim. If you want to know more about getting the perfect Ute canopy for your requirements, check this out; Buying a 4WD Ute Canopy; the ultimate guide. The static weight limit -when parked-can be higher than the dynamic weight. That same Patrol had the steel rack removed not long ago, and replaced with a top quality Tracklander aluminium one that weighed under 1/3 of the steel one. With a dynamic load, some outside factor causes the forces of the weight of the load to change. There’s a roof rack weight limit for every single rack and set of bars sold, along with a set of conditions for their use. Can I re-use my older roof rack setups? Our stock mounting hardware will fit rack bars with a cross-section of 3.25" width x 1.5" height. Yep, lets say you have 150kg on a roof rack and roll your 4WD on the edge of a sand dune. I have a Prado 150 – 2012 and I’m planing to buy a roof top tent weigh about 65kg. When static, the load remains constant and doesn't change over time. Another doubt is about how much of weight can the roof rack sustain when stationary? Static load rating measures the racks weight capacity when it is installed, while dynamic load rating measures its weight capacity when it is being rolled on its casters. When static, the load remains constant and doesn't change over time. Consider how much extra force 80kg of weight bouncing up and down would apply to the roof. It represents the maximum permissible load that the rack / brackets can withstand when repeatedly in motion over a long period of time. If you’re using a roof rack or cargo carrier, you need to subtract its weight from your total rating. That can’t be right can it? So if your rack can handle a load, when driving, of 75kg, then it can handle 300kg when stationery. So basically while driving, at-most I can put 220lbs of weight ("dynamic weight") on the roof rack. I’d be very surprised if you had an issue with 200kg on the roof while stationary, but it would pay to check with Mitsubishi to see what they think. Unfortunately models that aren’t common run into all sorts of weird and wonderful issues like this, but I’m sure you’ll come to a resolution soon. 417 Likes, 8 Comments - Gladiator Gang (@gladiator.gang) on Instagram: “Would you drive like this? Be sure again, to check the on road and off road weight ratings, and stick within them! https://www.4wdingaustralia.com/4x4/roof-racks-are-you-overloaded Just looking at fitting my 4WD with a roof tent, thanks for the explanations, it is helpful. Each rack will generally come with a static and dynamic load rating. Roof Racks vs Weight. I’ll quickly mention this, as it comes up regularly when discussing roof top tents. 60kg per pair seems right, but that might not be for off road use. I’m keen to know what racks you guys run, and what you use them for. Go over it though, and expect to see damage in time to the roof of your vehicle and the roof racks. Hit a good speed bump or such and your load momentarily increases substantially over the 100# limit. If you are a passenger in a 4WD, try and hold your arms out and keep them there while you are bouncing around. Do we know the static and dynamic weight capacity? Not very good when its mounted to a 4WD! 2. I get the dynamic vs static weight argument but that still doesn’t tell me how to calculate the static weight. A bump just beyond what your vehicle will handle can lay it on its side, and when you have over 100kg on the roof that happens so much easier. What does the manufacturer say you can carry? Rack systems below have weight capacities of up to 800-pounds static weight. seen numerous online of the same model and with a tent but cant get to the bottom of an answer. For most roof top tents, there’s a straight forward roof rack combination that will work for your vehicle. The 80kg will be a dynamic roof loading – when the vehicle isn’t moving you will be able to add more weight than that. Asides from a lot of paint removed from the gutters and a bit of damaged pride, life continued. I would strongly advise not putting that much weight up there as it will hugely affect the handling and safety. I’ve just bought a new (Sep’18) LC200 GXL with roof rails & trying to get info re roof rail carrying capacity. endstream endobj startxref A distinction must be made between dynamic and static load capacity. For custom and unlisted vehicles it is up to the installer to determine the maximum weight for the given application. There’s nothing worse than having to struggle with hooks that don’t fit over the support bars just to safely store your gear. Also say you have 90# on your roof static load. Thanks a lot for sharing! 0 1. Your insurance company has every right to say ‘sorry mate, you were overloaded’. I wasn’t expecting to have so much issue due to the unusual model. Car and rack dynamic weight capacity: This measures the ability to support that tent weight while you're driving. Several years ago we hit a nasty hole on a track out the back of Dwellingup in a 4WD with a cheap set of roof racks bolted on, and the force slid the whole arrangement forward about 200mm along the gutters. Whispbar removable roof racks are the quietest roof bars available and can be moved between cars using the latest smart foot technology. Outback Joe has written an interesting post on that very topic – check it out here – https://outbackjoe.com/macho-divertissement/macho-articles/roof-loading-and-roof-top-tents/. Suggestions? However, it goes beyond this; you will have an on road rating, and an off road roof rack rating, which is usually 50 – 75% of the rated on road capacity. Where do you draw the line with 4WD accessories. Think carefully about how you spread the weight. So tent weight allowed = 220 - rail crossbars weight. Does this rack fit a 2016 4x4 high roof sprinter with the 140" wheelbase with an A/C on top? 100kg on the roof equates to a massive amount of force every time you bounce up, down and side to side. If you are just climbing up and down and sleeping in the tent you won’t have an issue, unless you are well over double the dynamic rating. This is why I’ll never buy a full size steel roof rack again. Look at the welds too; they should be smooth, have decent penetration (not look like the weld is sitting on top of the metal) and no holes or abnormalities. My Prado already has a roof railing but not the bars, do you think I should just get a normal roof bars or that wouldn’t support 65 kg dynamic and around 210 kg static? Our maximum static weight rating is 600 lbs. A dynamic load refers to the weight that is placed on an object and then put in motion. Perhaps you, your partner and the roof top tent weigh 210kg, but your vehicle is only rated to 100kg. Total weight = 40.2 lbs. So in this instance, the LocknLoad platform effectively serves as the "crossbars." I guess it boils down to the weight limit of the 4runner being only 165 lbs (dynamic). they are dynamic load ratings. Remember that the load capacity includes everything on the roof; gear plus any racks etc you mount up there. i’v currently got an Outlander with roof rails and am looking to install a rooftop tent. �Y��3�00'(B�� �/@ There are 32 ways to make your 4WD illegal, and overloading the roof racks is one of them! Hi wondering about adding extra bars. A 04/06/2020, 1:46:00 PM Toyota rates the 4Runner roof with a factory rack at "Max load 165 lbs evenly distributed." If you aren’t moving, the weight on your roof is static. Hey There, just installed a new canopy and have been told the static weight is 100kg, so am I right to assume that the dynamic would be 50kg or even less?? I reckon that’s the first time I’ve ever heard of any company quoting static or dynamic weights – normally its just assumed to be the latter. Does this increase the load carrying capacity of the roof rack? What canopy and racks is it? When you start thinking about roof top tents, one of the first questions that arises is whether or not the roof of your car can support it. Eventually something has to break! I won’t bore you with the maths, but the static load, or the load when you are standing still, is roughly 10x this. I spoke to someone recently who did the Canning Stock Route with a lot of weight up the top, and they could physically see the A pillars flexing under the stress. Using that set-up, it is still under the 165lbs dynamic weight limit. I contacted Holden, hopefully they will get back to me! Our rack itself can handle significantly more weight than that, and we've had 250 lbs dynamic weight on it without issue, static capacity is certainly well above that. 150 0 obj <>stream There are two things you need to consider when looking at the amount of weight on your roof racks. Give Mitsubishi a call to confirm, but if its like most 4WD’s you can easily mount a roof top tent and have two adults in it, as long as you aren’t driving around! KSJ08, nimby and Prime2357 like this. 128 0 obj <> endobj Most 4WD’s are limited to 100kg on the roof. ... Click to expand... Start adding weight to your roof rack. Not only is it putting your vehicle and passengers at risk, it can void your insurance and cause serious problems in the event of an accident, or even be the cause of an accident in the first place. Hey Aaron, ARB Ascent canopy with Rhinorack VA bars? Either way, lots of weight up top isn’t a good thing. Sure, you can buy a full size steel roof rack for under $300, but do you trust it? You’ll have less wind drag (so better fuel economy), less noise, a lower centre of gravity, more chance of fitting under car parks and trees and an easier time getting things down! Is it even worth considering? This is because, in a static load, the force of the load on the platform remains constant. It’s a big car. The load ratings applied to products by roof rack manufacturers and the car manufacturing are for when you are driving the vehicle on sealed roads, i.e. What do you think? Also it’s is currently fitted with a set of Rola rack rated at 60kg (which I assume it’s per pair), it should be the heaviest I can get knowing that not much brand are making the specific roof rack for this model (it has fixed mounting points and I believe I can fit a set of 3 cause it has a removable plastic canopy at the back so they supplied 3 different mounting points position). Dynamic Load The main difference between a static and dynamic load lies in the forces produced by the weight of an object. In the manual it says roof load capacity 80kg – is it possible to install descent roof racks and have a tent loaded up? There is a lengthy but complete discussion of the dynamic weight rating vs static weight rating of your car or truck’s roof rack here: Roof Loading and Roof Top Tents. of an evenly distributed product on the pallet. Making these racks perfect for your iKamper, Tepui, or Yakima Roof Top Tent (RTT). Already, people are really starting to see the importance of overall 4WD weight. I would say your thinking is correct, but the only way to find out for sure is to contact the OEM. Hi, very helpful to read your article. Steel that has been poorly painted will rust, and that ends up on the panels of your vehicle. You can pretty clearly see evidence of this based on the way a roof rack is mounted to the vehicle, how the weight is distributed and how well its clamped down. Flat bar running the length of the gutter. Holden should be able to give you an answer, and if they don’t, I would assume 100kg. I reckon they might have their static/dynamic wording mixed up. Whether its just strong mesh, or little hooks in convenient locations, its worth paying attention to. The intention is to tour Australia and do a bit of light off-roading where possible. Right? For this reason, I always recommend a quality built aluminium roof rack; they are substantially lighter and just as strong. Perhaps it’s harkening back to childhood and a love of treehouses—or deeper in our psyches, when … I doubt that you could argue that fitting more cross beams would increase the rating. As well those are small screws holding the factory rack to the roof and roof sheetmetal tends to get banged up real easy these days. That is absolutely ridiculous in so many ways. There were a few aftermarket roof racks for the JK that had hinges located in the rear of the vehicle and quick disconnects in the front to allow the roof rack to swing backwards. Our maximum static weight rating is 600 lbs. As a guideline, three times the stated roof rack capacity can be used in static mode (roof rack and tent included). If they are the genuine roof racks, find out what they are rated to. Know that when your vehicle is parked and you’re ready to climb into your roof top bed you are static and as such Rhino-Rack’s capability to handle weight becomes a lot more. Roof rack load limits are generally reflected in the way they mount to the roof and distribute the load. But still doesn’t mention static load capacity. Also, if you’ve got any tips or questions, leave a comment below! One of the better designs I’ve seen is to have a length of flat bar running down the inside of your gutters. A good roof rack will have a similar maximum rating to the roof rating, so you probably won’t gain much, 3 months with a camper trailer, 4WD and toddler; the summary, Lake Argyle and the Bungles; amazing places in WA, Our Isuzu Dmax build for touring Australia, Our new Hybrid Camper; a Lifestyle Reconn R2, Why we moved from a soft floor to a hybrid camper trailer, 7 Amazing Camp Sites within 3 – 5 hours of Perth, Towing capacity; a simple guide to keep you legal, 20 things you should never do in a 4WD recovery. Though roof-top tents have become a phenomenon in the U.S. in recent years, they’ve been around for decades in Australia, where camping above the realm of creepy crawlies was instantly recognized as a genius idea. For custom and unlisted vehicles it is up to the installer to determine the maximum weight for the given application. A rack’s load rating is a measurement of its weight capacity; thus, racks with higher load ratings will be able to handle heavier loads. Weight on a roof rack makes a vehicle handle poorly, more likely to roll over, and reduces its fuel economy. Thanks for the wonderfully useful article. The 03-09 Lexus GX470 Roof Rack is a ruggedly light weight rack which allows the utmost in flexibility for your cargo with 3″x 1″ slotted aluminum extrusions as the cross bars. h�bbd``b`z$��u �r $�H0 ��A'��)�$T �D� a������d100 �3&�0 Z 141 0 obj <>/Filter/FlateDecode/ID[<136EDDA8A7B2CD42B6438EDDB7A9C4B6>]/Index[128 23]/Info 127 0 R/Length 75/Prev 221511/Root 129 0 R/Size 151/Type/XRef/W[1 2 1]>>stream Can a Front Runner rack support a roof top tent with 2 people, as well as cans of fuel and water? Query it with ARB – even ring their head office if you need to. thoughts? . A Everest is not a LC 200, not by a long shot. thoughts? It’s almost impossible, and your roof cops it way worse than that. Static Load vs. When a 4WD is designed and built, the manufacturer gives it a maximum roof loading rating. If you’ve driven the same 4WD with a decent amount of weight up top and then removed it all, you will see it very clearly in the corners and general driving, even in the city. The rating given by the vehicle manufacturer is a dynamic rating, which means its meant for when you are bouncing around on a 4WD track. Told me 100kg static load. Garry. This allowed the user to take the soft top up/down. Also, do we know if a longer rack can be mounted with cutter mounts in the front panels? The static weight limit can be higher than the dynamic weight. However, you’ll see that the better quality racks clamp down extremely well; they are intended to carry the weight safely both on and off road. What is the load capacity of my Thule roof rack? On a dual cab Ute this often means on the cab instead of the canopy. Static and dynamic load sounds as though you're suggesting there's some other variable beyond strapping or mounting gear on the rack. @MaximusThree ROOF RACK 900+ Pound Static Weight Limit & 300+ Pound…” The dynamic load for the bars should not exceed 165lbs. This is the same for chassis damage through overloading. mynameistory, Feb 13, 2020 #22. The roof will take this all day, every day, providing you are within the rated capacities. Not exceeding the maximum roof loading rating. I’m not really sure, asides from Outback Joe’s post as to how you calculate the difference, but it would be a lot, Interested in your comment “… and very few at 200kg (the new 200 Series Land Cruiser for example)”. Gobi Rack has this design and, from what I can tell, was very popular. A lot of 4WD’s have a huge amount of weight on the rear axle, and much less on the front. You need to verify this spec for both the vehicle and your roof rack. 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