HUDY Quick-Tweak Station for 1:10 & 1:12 Onroad incl. Aluminum Carrying Case

With the Hudy Tweak Station you can check whether the vehicle has a balanced weight distribution. The integrated spirit levels show this and you can then react accordingly (spring preload, weights in the car, etc.)

As always, the Hudy system is of very high quality and works very well with all 1:10 and 1:8 on-road vehicles.

What is "tweak" in RC car racing?

Tweak refers to a torsion or twisting in the chassis of an RC car, which results in the force distribution between the left and right side  beingdifferent . This means:

? The car reactsasymmetrically  to steering movements, throttle or brakes - e.g. it pulls more to the left or right, jumps unevenly over bumps or breaks out uncontrollably.

Tweak is particularly critical in on-road touring cars (e.g. 1:10 Electric Touring Cars), where maximum symmetry and balance are crucial.

Causes for tweak

• Unevenly tightened dampers or bulkhead bolts

• Crashes / hard impacts (chassis bent or distorted)

• Twisted shock towers or control arms

• Uneven weight distribution

How do you set the "tweak" perfectly?

This is where the so-called  tweak test comes into play. This is how it works (classic method for 1:10 touring cars):

What you need

✅ Level table or setup board
✅ Tweak bar / screwdriver (or ruler)
✅ Setup system or clean tires

Step-by-step instructions

1️⃣ Prepare the vehicle

• Mount tires

• Vehicle fully assembled and ready to ride incl. battery (with all screws tight)

2️⃣ Place the vehicle on a level table

• All four tires on the table

• Car free and unloaded (no hand on it)

3️⃣ Fix the front axle

• Lift the front axle (e.g. with a ruler or tweak bar) evenly slightly from both sides

• Observe whether both rear wheels  lift offat the same time 

4️⃣ Check the rear axle

• Same method on the rear axle: apply bar, lift evenly → Check whether both front wheels lift at the same time

5️⃣ Interpret the result

✅ If both sides lift off at the same time → No tweak
❌ If one side lifts off earlier → Tweak present

6️⃣ Correct tweak

• Slightly loosendamper screws (top/bottom) → Suspension "relaxes"

• Push the vehicledown slightly   → Chassis settles symmetrically

• Tighten the dampers again evenly

• Repeat tweak test → Until both sides are synchronized

Modern alternative (high-end)

Electronic setup scales (e.g. from SkyRC, Hudy) measure the wheel load distribution exactly in grams. This allows you to perfectly balance the chassis - particularly popular in competition.

Why is "no tweak" so important?

✔️ Consistent cornering behavior
✔ ️ Constant left/right traction
✔ ️  Bettercontrol under full throttle and braking
✔ ️ Less tire wear
✔ ️ Predictable setup for all track conditions

Tip for practice

? Check the tweakafter every crash or damper change
? Note the values in the setup sheet - this way you will notice immediately if something changes