Mst Aluminum 8-point Adjustable Servo Saver Review Forum
The steering on the TT-02 when build properly is very free, however the kit servo saver tin can flex nether load. This will result in the steering feeling quite loose when cornering, and it can likewise make the automobile feel a little like it is wandering around on the straight equally the plastic ring bends over time.
One simple fix is to add together some CA mucilage to the horn, this makes information technology stiff, but as you lot would wait this takes abroad any spring action to help protect the servo on a large impact.
As you would wait, Tamiya has an option part available to solve these issues with the 54799 TT-02 High Torque Servo Saver (With aluminium horn).
Included in the package you get the plastic Parts, Metallic spring parts, a selection of fittings and concluding but not least a pretty blueish aluminium horn.
Every bit you brainstorm the assembly you need to select the right servo mount out of the included Q-Parts. You have two options
- Q1 - This is for 25t spline servos. These are the most common type (Futaba, Tamiya and most other brands)
- Q3 - This is for 23t spline servos such as KO, Sanwa and Acoms
Next upward you need to fit the three steel springs consisting of two gold springs and 1 black spring. These are quite like shooting fish in a barrel to fit every bit long every bit you practice it correctly.
The ii gold springs come up first. You fit these yous merely align the leap on the plastic function (Q1 or Q3). Using your pollex you push the bound onto the servo mount from the lesser up (See the picture above). The bound will bend effectually the spline and and so it opens and snaps back as yous utilise it.
Afterwards the first two gilt springs yous then mount the hard black bound. Again align it and push down with your thumb from the lesser upwards and information technology will snap on. It'due south very unproblematic and even someone with soft easily and limp wrists similar me can apply them without any effort.
** TIP** if you want to brand the servo horn very stiff (Stiffer the improve). You can at present add 1 or two drops of CA glue at the pinnacle of the servo mount where the springs adhere at the top. I must stress, it should only be a very small amount.
Y'all you slide in the aluminium horn onto the front of the spline. If you take added CA glue yous will need to ensure that information technology is dry before y'all attach the servo.
At this stage you lot need to determine what hole you volition apply as a mounting signal. I am using this on a TT02 that doesn't use the D15 part so I used the superlative mounting hole. Here I found an issue, I apply an adaptable turnbuckle for the steering rod. The kit does not come with a ball connector nut, so I used one I had in my pit bag (Tamiya 53640), any Tamiya 5mm ball nut will be fine.
The front servo saver plate (Q4) is placed in front of the aluminium horn and you mount information technology to the servo so that it is as upright as possible when the servo trim is at 0. (Hither you can come across the servo is in the 54977 Aluminium servo mount that provides even more stiffness).
Once attached you will demand to check the steering trim and if you run a turnbuckle you can adjust the length.
On the track you will discover the difference on how the TT02 rides into the corners. The stiff servo saver will requite you lot a much more direct steering experience, ensuring you can be more than precise when racing towards the apex.
As the springs are very strong you will find that the car volition not exist prone to wander on the directly as in that location is absolutely no slop on this part.
Like all servo savers, over time it can clothing downwards. The springs will swallow into the plastic back servo plate causing slop, and the springs tin can lose their stiffness afterward a years of hard knocks. The good thing is that y'all can re-use the aluminium horn again.
Overall the 54799 Tamiya TT-02 High torque Servo saver is one of the key upgrades for any TT02 driver. It improves the feel of the machine both in the corners and on the straight, providing you with a better driving experience, essential for improving your lap times. Information technology besides gives you a nice flake of Tamiya blue bling to add together to your car, and is not expensive. Perfect!
Source: https://www.thercracer.com/2021/03/54799-tamiya-tt-02-high-torque-servo.html
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