Launching Heavier Beyblades

In this guide, we’ll clarify the true basis of a Beyblade’s performance, and how to best launch our full-metal Beyblades (or any heavier-than-average Beyblade, for that matter). You might already know the basics that we’ll talk about initially, but this context is extremely important to get to the main point. So, please read in full!


Total revolutions per launch & Beyblade RPM

The basic principle with Beyblades is that a higher pulling force results in a higher RPM (stronger launch).

String launchers have a retractable string mechanism for consistent, smooth, and convenient launches. But they have a shorter pull length, which limits the total revolutions per launch. It feels weaker or “capped” in RPM because the mechanism itself limits the maximum rotations achievable per pull. String launchers are not recommended for any of our full-metal Beyblades. You won’t be able to realize their full power (offense/aggression for Attack types and stamina for Stamina and Defense types).

Ripcord launchers have a winder with gear-teeth. These typically offer a longer pull distance, which translates to more revolutions per launch. A strong, full-length ripcord launch will help you achieve higher RPM.

Generally speaking, ripcord launchers provide higher peak RPM if your technique is precise. A fully drawn ripcord often generates a longer “spin-up” period, theoretically allowing for greater momentum.


Let’s talk about “total revolutions” per launch. We’re referring to how many times the internal launcher gears and prongs rotate during the launch, directly influencing the RPM of the spinning Beyblade.

  • It’s about how many times the launcher mechanism spins the Beyblade before it’s released.
  • The faster your Beyblade spins at the beginning, the more aggressive its movements can be (ideal for Attack types) or the longer it may sustain spinning (needed for Stamina and Defense types).
  • Higher max revolutions at launch increase stability and reduce wobbling. This improves early-game performance as well as total longevity on the stadium.

A ripcord launcher uses a long, detachable ripcord. When you pull the ripcord completely, you rotate the internal launcher gears many times, achieving more rotations of the Beyblade before release. Conversely, a string launcher contains a limited, retractable cord. Because this string is shorter, you physically can’t rotate the gears as many times, thus limiting the revolutions per launch.

The keyword here is “peak RPM,” which is the revolutions per minute you can achieve right before launch. Think of it as filling the Beyblade with energy which it can use on the stadium.


The weight of a Beyblade has a significant and direct impact on the RPM and overall performance. Why?

  • Newton’s Second Law: Heavier objects require more force to accelerate. If you apply the same pulling force (from your launcher), a heavier Beyblade will achieve lower initial RPM compared to a lighter one, simply because the launcher has to move a greater mass.
  • Rotational Inertia (Moment of Inertia): More weight—especially if it’s distributed toward the outer edges of the Beyblade, called OWD—increases rotational inertia, meaning it resists changes to its spinning speed (both speeding up and slowing down). A heavy Beyblade is harder to accelerate to higher RPM initially, but once spinning, it’s harder to stop quickly, allowing for longer endurance in certain scenarios.

This is what we want to focus on.

Rotational inertia becomes a significant attribute with SpiralForge’s full-metal Beyblades.

Sure, some are fairly light (Lightning L-Drago, for example) and things are still under control. But as you move up (Earth Eagle, then Gravity Destroyer, then Hades Kerbecs, etc.), things quickly start to get out of control.

You’ll realize that it’s not possible to attain the peak RPM of a heavy Beyblade (80g+) even with the strongest ripcord launch. It will feel sluggish to you when you launch. This happens due to the higher rotational inertia.

Key points

Let’s quickly summarize before moving ahead.

  • The heavier the Beyblade, the harder it is for the launcher to rapidly accelerate it to high RPM. It requires greater pulling force or a stronger launcher to match lighter Beyblades in pure speed-at-launch.
  • Especially noticeable with string launchers, heavier Beyblades often feel sluggish or “heavy” at launch because the short pull doesn’t provide enough revolutions to fully spin up the Beyblade’s heavier mass effectively.
  • Although they start faster, lighter Beyblades tend to lose spin quickly when hit by heavier opponents, because they have less rotational inertia and momentum to resist impacts or friction from the stadium.
  • A heavy Defense type Beyblade (like Basalt Horogium/Twisted Tempo) usually launches at a lower RPM but is extremely stable, meaning it loses RPM slowly and maintains spin longer under hits.
  • A lighter Attack type (e.g., Galaxy Pegasus or Ray Unicorno/Striker) typically launches at high RPM, maximizing immediate aggression and movement, but loses RPM faster when hit due to lower rotational inertia.

That’s the whole point of Beyblade battles. You can mostly only do one of two things:

  1. Either KO your opponent using a strong attack (smash attack, angled launch, upper attack with a flower pattern, etc.), or
  2. Outspin your opponent (stamina, centralized weight distribution, circular/non-recoiling shape, spin stealing, etc.)

RPM at launch

In theory, the RPM at launch primarily depends on the number of rotations your launcher can achieve—which is determined by the launcher’s mechanics (string length, ripcord length, gearing, etc.). But in practice, the factor we just discussed, called rotational inertia (also known as moment of inertia), heavily influences how weight impacts the RPM actually achieved at launch. This is the key point we want to clarify when you’re using SpiralForge full-metal Beyblades.

Close-up, abstract view of architecture.

Basically,

Your launcher has an ideal maximum RPM, determined by how fast and how many rotations its internal gears/prongs can spin without a Beyblade attached. When you attach a Beyblade and pull the ripcord/string, the launcher tries to transfer this rotational speed to the Beyblade. However, because the Beyblade has mass, it resists acceleration. Heavier objects resist acceleration more (inertia). In simpler terms, more mass = higher rotational inertia.

Scenario A (Light Beyblade):

  • Launcher rotation potential: 10 rotations.
  • Because the Beyblade is light, it reaches maximum RPM quickly.
  • Result: Almost all 10 rotations efficiently translate into high RPM.

Scenario B (Heavy Beyblade):

  • Same launcher rotation potential: 10 rotations.
  • Because the Beyblade is heavier, it accelerates more slowly. It might take 3–4 rotations just to overcome the inertia and reach medium RPM.
  • Remaining rotations (6–7) slowly push the RPM higher, but it never reaches the same peak as Scenario A before the launch is complete.
  • Result: Lower peak RPM at launch despite the launcher’s maximum rotations being the same.

This energy spent on overcoming the inertia (let’s call it wasted energy) is a huge issue. You need to deliver a higher dose of RPM for a heavier Beyblade to achieve a reasonably good peak RPM allowed by the launcher and ideal battle performance. You cannot eliminate the wasted energy. It’s physics.

Important thing to keep in mind—heavier Beyblades are not worse. Even if you launch with a lower initial RPM, they have their own benefits that make them competitive. Most importantly, heavier Beyblades maintain spin better after collisions (take the example of an OG Diablo Nemesis or Synchrome Beys with two fusion wheels).

Also, more rotational inertia means they resist spin loss from hits more effectively, even if they start at lower RPM.

And generally, heavier Beyblades are designed in a more circular way. Their contact points are more spread out and circular (think of Voltaic Ape, Twisted Tempo, or Knight Shield). This is the opposite of having sharp prongs/blades to attack (think of Phoenix/Shark blades in BBX, Flash/Blitz/Screw/Vulcan/etc. in MFB, or Corona Saber/Apollon and Triple Beak/Trygle in plastic gen).

Heavier Beyblades trade off higher initial RPM for better mid- and late-battle performance. They absorb/distribute shocks better. Even an Attack type Beyblade, if made heavier, becomes much stronger because of this. This is what happens by design during our production. As we’re making completely metallic Beyblades, all of the parts become significantly heavier (for example, ~2x the weight).

Even though your launcher has a fixed maximum RPM potential determined by its length and gearing, heavier Beyblades won’t fully achieve that maximum potential because their higher inertia makes them accelerate more slowly within the launcher’s limited rotations.

How to use heavy SpiralForge Beyblades efficiently?

Many of our items do (and will) exceed the typical MFB/Bakuten/BBX weight range.

Due to this increased mass and rotational inertia, even a robust ripcord launcher feels insufficient. The launcher must overcome a greater resistance before reaching optimal RPM. A launcher has a limited number of rotations to spin up the Beyblade. A significant portion of these rotations is spent just overcoming its inertia (wasted energy), leaving fewer rotations available to reach peak RPM. This is why a full-metal Beyblade can be worse in battle while being better mechanically!

Here, the launcher is the bottleneck. The Beyblade itself can handle much higher RPM, but your current launcher isn’t providing sufficient power or revolutions to reach that speed within the limited pulling length. You need a stronger, more powerful launcher designed specifically to overcome higher inertia and accelerate heavier Beyblades quickly.

Assuming you’re not going to be customizing your launcher with heavier-duty gearing, longer pull lengths, stronger materials, etc., you have three options to reach the maximum potential of the heaviest SpiralForge full-metal Beyblades (such as the Hades Kerbecs, which weighs ~125g).

  1. Swapping the prongs of a Burst DB Launcher with MFB prongs (left or right) is the best solution to reach peak RPM for your Beyblades. We already do this customization and sell it (with metallic prongs).
  2. The Rev Up Launcher is the second-best launcher for MFBs, but it’s inconsistent. Sometimes, the Rev Ups you achieve might be lower. Also, there is no left-spin Rev Up launcher originally.
  3. The Gravity Destroyer Dual String Launcher is the better solution. It’s naturally stronger than normal string launchers and has both left and right spin prongs.

If you don’t have either of them and still want to battle against OGs, know that you’re battling with the full-metal Beyblade having a handicap. It’s not at its full power! Let’s take some examples from MFBs.

  • Full-metal L-Drago Rush (77g) vs. OG Earth Eagle (39g): Can work with a ripcord launcher, but you need to pull both Beyblades really, really fast.
  • Full-metal Gravity Destroyer (82g) vs. OG Twisted Tempo (58g): Might work, depending on how well you launch, but there’s a high chance of you not realizing the maximum peak RPM for an ideal battle for the Gravity Destroyer.
  • Full-metal Hades Kerbecs (125g) vs. OG Diablo Nemesis (62g): Our metallic Hades Kerbecs only achieves its terrifying speed with a Rev Up or LR launcher. Anything below that, no matter how strong you pull, will give Hades a weak launch.

Note that in all these situations, you’re expected to use the same launcher and strength for both Beyblades, not just for our full-metal one. That’s the only way to ensure a fair battle and see the superiority of a stronger launch as it overcomes the moment of inertia and makes an explosive launch.

Sad L-Dragos

There’s no left-spinning Rev Up launcher, so you won’t be able to fully realize the potential of left-spinning MFBs (the L-Dragos). Even the left-spinning ripcord launchers are much rarer among battlers and collectors. Most of you are likely to only have a left string launcher. So, please keep in mind that in any battle where you use our full-metal L-Drago items with a left string launcher vs. any other Beyblade using a ripcord (or Rev Up) launcher, the L-Drago is going to have a huge handicap. It’s not the Dragon Emperor’s fault. It’s Hasbro/TT’s fault for not making stronger, accessible left-spinning launchers.

For L-Dragos, the LR launcher is a good item to have. Modded Burst DB launchers are the best to see the truly terrifying power of these left-spinning Beyblades.