TRX-4 四连杆简化转换系统

TRX-4 Simple 4-link conversion

2024-03-23 20:11:50

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Summary

This is a simple 4i link Servo-on-axle conversion that is intended to be compatible shocks.
I was frustrated that many 4 links conversion sets require specialised changes and equipment such as longer shocks or oddly shaped links.

Instead, this simply requires some basic hardware and materials.

Things you may need:

A variety of m3 screws, I prefer socket head machine screws but you can practically use any m3 screw, as long as it is at least 15mm long and its head fits, though it is best to buy a variety of screws. The longest M3 is the 50-60mm that secures the links to axle and the shortest about 12-15 mm. Make sure you have a stockpile of screws! You will also need a few M3 nuts to secure some of the parts.
M4x 75mm screws can be used to make the upper links, simply cut of the head and fit them to angled ball ends, though you can also make your own links as you wish, they have to be ATLEST 70mm EYE TO EYE. You will also need some M4 screws and nuts to mount the servo.

Notes:

Mount the servo to the base using some m4 nuts that slot into the mount and secure it with M4 screws. Then install the brace and fasten it with m3 screws and nuts. The servo must also be fastened with m3 screws on the upper brace.
Works with shorter shocks, I am using 100mm, but 90mm should still function
Upper links need to be at least 70mm
Not tested with longer shocks that give more flex
No cutting on the chassis required. None of the changes on this conversion are permanent changes. If you think you need to cut the chassis or saw off some piece YOU ARE DOING SOMETHING WRONG. Do not cut, bend or disform any part of your TRX4 during installation!