Don’t Do This To Your RC Cars – Arrma Grom
Subheading 1: Introduction
The Arrma Grom is a brand new RC car that has been making waves in the market. Despite being a bit late to the party, I finally got my hands on it and I must say, it looks pretty impressive. With its tough metal gears and servo, this tiny car is packed with power. Available in three different colors, I opted for the vibrant green option. But before we dive into the details, let’s take a closer look at the specs.
Subheading 2: Specifications and Features
The Arrma Grom is advertised as a 1/18 scale car, which means it is designed to be smaller in size. This compact build allows for better maneuverability and agility on any type of terrain. The body of the car is brightly colored, making it highly visible even from a distance.
Subheading 3: Comparison to the Armor 3S Range
As a fan of the Armor 3S range, I couldn’t help but draw comparisons between the Grom and other models. One particular favorite of mine is the Wide Granite, which I have customized with 4S crate and arms. The Grom may not be as wide, but it certainly makes up for it with its speed and durability.
Subheading 4: Unboxing and Accessories
When you purchase the Arrma Grom, it comes with everything you need to get started. The package includes a fully assembled car, ready to run right out of the box. Additionally, you’ll find a battery PR loader for your shocks, oil shocks for better suspension, and a compact charger for the smart battery. The charging mechanism is equipped with USBC to USBC technology, ensuring a quick and efficient charging process.
Subheading 5: Tackle the Terrain
The Arrma Grom is designed to handle various terrains, from asphalt to dirt tracks. Its sturdy construction allows it to withstand rough conditions without any damage. Whether you’re racing with friends or simply enjoying a solo drive, this car will surely impress you with its speed and control.
Subheading 6: But Beware…
While the Arrma Grom is built to withstand a lot, there are certain things you should avoid doing to ensure its longevity. Firstly, refrain from driving it into deep water or mud. Though it may seem tempting, water can seep into the electronics and cause irreparable damage. Additionally, be cautious when driving on rough surfaces with sharp rocks or debris, as they can puncture the tires or damage the chassis.
Subheading 7: Conclusion
In conclusion, the Arrma Grom is an exceptional RC car that combines power, durability, and speed. Its compact size allows for easy maneuverability, while its metal gears and servo ensure toughness. Whether you’re a seasoned RC car enthusiast or a beginner, the Grom is a fantastic choice that will undoubtedly bring hours of fun and excitement. So, go ahead and take this little beast for a spin, but remember, always handle it with care and avoid the common pitfalls that could potentially damage your beloved Arrma Grom.
Specs and Power Output
The Arrma Grom RC car boasts an impressive power output of 1.5 amps. However, the actual size of the Lipo battery remains a mystery as it feels just as heavy as the truck’s wheels. The hex outside and then on add to the overall weight, making it a force to be reckoned with. But are these features enough to guarantee a smooth ride?
Charging the Battery
Getting the battery on charge is the first step to unleashing the full potential of the Arrma Grom. The process doesn’t take long, thanks to its small size and a battery capacity of 1400mAh. The bright green color adds a touch of elegance to the overall design, making it visually appealing. With the anticipation of a short charging time, the excitement builds to test this RC car against its rivals.
Competition in the Market
The Arrma Grom enters a market flooded with mini Bashers. It faces stiff competition from the likes of the full-fat MJX, a popular choice among RC car enthusiasts. While some people compare the two models, it’s important to note that the Arrma Grom runs on a 2s battery, while its counterpart runs on 3s. Additionally, the Arrma Grom features a two-in-one ESC and oil shocks that feel superior to those of the Armor. Its tough chassis promises durability and resilience, making it nearly indestructible.
The Price Factor
With a price tag of $66 on Bangard, the Arrma Grom appears to be a steal. However, this discount doesn’t tell the whole story, as the actual price in the UK is 129 pounds – almost double the discounted price. While the Arrma brand holds its position as one of the bigger brands in the industry, the higher price may make potential buyers question whether it’s worth the investment. After all, there are plenty of other options available in the market that offer similar features at a more affordable cost.
As the Arrma Grom makes its debut in a competitive market, it faces the challenge of proving its worth. With its power output, unique design, and promise of durability, it certainly has the potential to stand out among the mini Bashers. However, buyers must carefully consider the price point and weigh it against the features offered by its rivals. Only time will tell if the Arrma Grom can establish itself as a force to be reckoned with in the world of RC cars.
Arrma Grom Overview
The Arrma Grom is a scaled-down version of the 3s Granite, and at first glance, it seems like a decent piece of machinery. The absence of foams in the tires is not a major concern, as they don’t feel too soft but could be worse. The molded grill and real bumper add a nice touch to the overall design. However, it is worth noting that this brushed car does not come equipped with a wheelie bar, which might be expected considering the type of motor it has.
The SL2 Transmitter
The Arrma Grom comes with a standard SL2 transmitter, which is nothing exceptional but fits nicely in the hand. It is functional, but there is nothing particularly remarkable about it. It gets the job done, but don’t expect any fancy features or extras.
Spectrum ESC and Servo
The Arrma Grom boasts a two-in-one Spectrum ESC that is labeled as compatible with 2s lipo batteries. This means that running it on 3s would not be recommended. Additionally, the 3y server mentioned on the box is a good sign, as it indicates a metal gear servo. This adds strength and durability to the car, ensuring a smoother performance and a longer lifespan.
Brushed Motor and Battery Tray
Under the hood, the Arrma Grom houses a compact brushed motor with a heat sink. While these motors have been known to get quite hot during operation, it is crucial to be cautious, especially if young children will be handling the car. Burns from a hot motor would certainly ruin the joy of receiving a RC car as a Christmas gift. Lastly, the Grom includes a convenient battery tray for easy battery installation and replacement.
In conclusion, although the Arrma Grom may lack some of the features found in higher-end RC cars, it still offers solid performance and durability at its price point. Just remember to handle it with care, especially when dealing with the brushed motor’s heat and battery replacement. With proper maintenance and responsible use, the Arrma Grom can provide countless hours of fun for RC car enthusiasts of all ages.
Impressive Features of the Arrma Grom
The Arrma Grom is a remarkable RC car that boasts an array of impressive features. For starters, it showcases a battery tray that is of a decent size, allowing for longer playtime without the need for frequent recharging. The presence of metal gears in the differentials ensures a smooth and sturdy performance, while the metal cvds add to the overall durability of the car. Moreover, the inclusion of double wishbone suspension contributes to a stable and comfortable ride.
Premium Design and Build
One cannot help but appreciate the solid chassis of the Arrma Grom, which exudes a premium feel. The etching on the chassis adds a touch of visual appeal, while the hex hardware further enhances the overall aesthetic. It is evident that attention to detail was given during the design process, resulting in a visually pleasing RC car that stands out from the rest.
Eager to Test its Speed
Curiosity prevails as we eagerly anticipate testing the speed capabilities of the Arrma Grom. Although the car features oil shocks, it does not offer adjustable colors bows, which might affect its performance to some extent. However, this does not deter us from pushing its limits and seeing if we can reach the impressive speed of 20 mph that has been mentioned by others.
Setting the Stage for a Speedrun
Preparing ourselves for a speedrun, we find a suitable location with a slight downhill slope in order to increase our chances of surpassing the 19 mph benchmark. Despite the chilly weather conditions, we meticulously warm up the battery before placing it in the car. With the car now ready, we waste no time and commence our quest to beat the previous speed record.
A Whiff of Uneasiness
Without even adjusting the steering, we set off, only to realize the car feels a bit twitchy. This slight sense of unease raises some concerns about the forthcoming speedrun. Nevertheless, we decide to press on and determine if all the effort invested will ultimately prove worthwhile.
Success at Last
As we continue on our speedrun, the moment of truth arrives. A surge of excitement overwhelms us as we witness the speedometer display the coveted speed of 20 mph. Success! Our endeavors have paid off, proving that the Arrma Grom is no ordinary brushed car. It has surpassed our expectations and managed to achieve an impressive speed milestone.
Ready for More Challenges
Satisfied with our speedrun accomplishment, we move on to our next adventure—a trip to the skate park. But before that, we decide to fully exhaust the battery’s power on this terrain. After all, the Arrma Grom is built for rugged use, and it is only fitting to subject it to some intense abuse.
A Last Hurrah
With the battery draining fast, we make the most of our remaining time with the Arrma Grom. It drives smoothly and effortlessly, reaffirming its prowess as a brushed car that can outperform many others in its class. Despite being a short-wheeled, mini truck, it exhibits a slight tendency for the back end to slide out, enhancing the excitement and fun factor during our test runs.
In conclusion, the Arrma Grom has proven to be a force to be reckoned
The Battery Pack
One of the first things to consider when using your RC car, specifically the Arrma Grom, is the battery pack. In order to prolong the lifespan of your car, it is important to avoid running the battery pack for too long. It is recommended not to exceed 10 seconds during each run. Overusing the battery can lead to overheating and potential damage to the car’s electrical components.
Skate Park Conditions
When taking your Arrma Grom to the skate park, it is crucial to consider the conditions of the park. For instance, if the park is icy or wet, it is necessary to exercise caution. While the car may be durable, your safety should be the top priority. Therefore, it is important to be careful not to slip or hit yourself. Always be aware of your surroundings and take necessary precautions to avoid any accidents.
The Mini Basher Market
The Arrma Grom belongs to the mini basher market, which means it is designed to withstand tough conditions and survive intense bashing. However, despite its durability, it cannot endure everything. In order for the car to succeed in this competitive market, it must be able to withstand certain levels of damage. Therefore, a list of acceptable damage needs to be established, especially when it comes to concrete skate parks.
Acceptable Damage
When using the Arrma Grom at a concrete skate park, there are certain types of damage that can be considered acceptable. Some common examples include motors moving, shock ends breaking, and turnbuckles breaking through steering. While this may seem like a short list, it covers the most common types of damage that can occur during intense bashing sessions. It is crucial to be aware of these potential damages and be prepared to handle them.
Speed and Control
One might assume that driving the Arrma Grom at a speed of 20 mph would not cause significant damage. However, this is not always the case. It is important to remember that speed alone is not the determining factor for potential damage. Driving recklessly or without proper control can still lead to unwanted consequences. It is essential to drive responsibly and avoid any unnecessary risks that could harm the car.
In conclusion, when using the Arrma Grom or any RC car, it is important to follow certain guidelines to ensure its longevity. Avoid overusing the battery pack, be cautious of the skate park conditions, understand the acceptable levels of damage, and drive responsibly at all times. By doing so, you can maximize the enjoyment of your RC car while minimizing the risk of unnecessary repairs or replacements.
Trim Troubles
Every time I try to trim my RC car, it always seems to go in a different direction. It’s frustrating and makes it difficult to control.
The Killer Front Flip
The front flip maneuver seems to be the downfall of many RC cars, including the Arrma Grom. Perhaps if the suspension was a bit softer and less bouncy, it would be easier to perform this trick without causing damage.
A Little Bit Bouncy
The suspension of the Arrma Grom is made with oil, which is supposed to help dampen the bouncing. However, there is still a bit of bounce that can make it challenging to maintain control.
Previous Successes
I have successfully landed front flips with other RC cars, such as the brushed MJX. I wondered if the Arrma Grom could handle it as well.
Testing the Toughness
With great anticipation, I put the Arrma Grom through its paces. I brought it to a skate park, where I had previously broken another RC car attempting a front flip.
Impressive Performance
So far, the Arrma Grom has performed admirably at the skate park. Its durability and capabilities have left me impressed.
A Missed Forecast
According to the reliable Met Office, there was supposed to be sunshine during my testing period. However, the weather had other plans, leaving me disappointed but grateful that the bright green color of the Arrma Grom helps visibility in any lighting conditions.
Thriving at the Skate Park
The Arrma Grom tackled the skate park with ease, effortlessly maneuvering over dirt, gravel, and ramps. Its resilience and toughness were put to the test.
The Successful Front Flip
With anticipation building, I bravely attempted a front flip off one of the skate park ramps. To my astonishment, I successfully landed the trick! It was a thrilling moment that showcased the Arrma Grom’s capabilities.
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Breaking the Jump Record
Oh, I’m going to have to count how many jumps that was! Whoa, that was not planned. It must have just caught a little lip there. God bro! That is the first time that that’s come off.
The Best Jump Around
Oh man, nearly nailed it. This is definitely the best jump around here for front flips. Applause, applause, right?
Pushing the Limits
I’m going to do something I don’t usually do. I’m going to see if I can break it. I’m going to try and replicate the front flip from that. MJX, see how this holds up now. It’s minus three today. I think I was on power with the MJX. That’s why I broke that CVD. This is for science purposes, applause only.
Testing the Durability
I think I said earlier, nothing’s gone wrong with it. It has split the body. We have split the body. I forgot to mention it just keeps taking it. Yeah, applause, boy! Oh, that was applause, big wow. I don’t think it’s going to break, and believe me, I am trying. I’m doing everything you shouldn’t do.
Identifying the Damage
Oh, there we go. Something’s gone. I think that’s the rear diff. Applause. That took some abuse though. Let’s go and see what happened, yeah. So it looks like it’s the actual diff. If I hold that, so rear diff going round in there, but, but I’m holding the wheels still. Let’s whip it out. This is pretty nice to work on as well. Really easy.
The Surprising Discovery
So I was just taking this apart and I thought that I’d split it, but it’s meant to be like that. There’s some little keyways, some little like pins that stick up or bits of plastic trying to work out. What’s happened to it? I can’t see any of the gears that are stripped inside. Ah, that might be the problem.
The Missing Piece
That is what the diff cup should look like. You see it’s got like the little cutouts there. They basically slot into that. If you look at this one, it looks like there’s something missing. And then, if you look in there, you can see where it’s snapped off. So that’s obviously fixed, like that, and my guess is when I landed on power, the impact and it turning just broke.
A Potential Weak Point
Now, I’m not going to say that’s a weak point because I don’t think I’ve seen anyone else do that. However, having a metal spur, metal pinion, and obviously metal gears for the diffs as well got plastic inside. I don’t know whether that’s a good thing, but I’m happy with it. I think that thing went so well and I put loads of abuse through it. Do not recommend doing anything like that, really, at a skateboard park.
Premium Quality
I just wanted to see how far it would go, so Armor, a premium brand. It definitely comes across as being premium. It was really well built, really nice, it’s tough. But the biggest thing I see when we’re comparing premium brands to like a cheap Chinese one.
Spares Availability
One of the common concerns when it comes to RC cars is the availability of spare parts. Nobody wants to wait weeks for their car to be fixed, and it’s a valid worry. With my Arrma Grom, I decided to put this concern to the test.
Living in America, I thought I would order the necessary spare parts and see how long it takes for them to arrive. Keep in mind that this video is pre-recorded, so don’t be fooled by the date. Today is the 1st of December.
The Wait Begins
The video ended, and the waiting game began. I had a few days before I needed the car, so I patiently waited to see if the parts would arrive on time. Little did I know that it was just the beginning of a much longer wait.
A Week Passes By
It’s been a week now, and still, the new differential hasn’t shown up. It went from being “in stock” on the 2nd of December to suddenly being on back order. This means I’ll have to wrap up the video without fixing the car, which is a bit frustrating.
A Common Problem
Earlier, I mentioned that I didn’t think anyone else had experienced this issue with the differential. However, upon further research, I discovered that there are quite a few people who have faced the same problem. In fact, if you visit the Arrma website and look at the reviews for the Grom, you’ll find several complaints about the rear differential.
A Weak Point?
With multiple reports of differential issues, it’s hard to ignore the fact that this might be a weak point of the Arrma Grom. And yes, I did push the car to its limits, so it’s not just a case of mishandling. If others are experiencing the same issue, it’s worth considering that there might be a flaw in the design.
Conclusion
So there you have it, day 16 of my Arrma Grom experience. It’s been quite a while since the last update, and it’s a bit disheartening to see more empty spaces on the calendar. The spares availability issue and the rear differential problem have certainly added some complications to this RC car journey.