Guru-Z » FP Rotor Head

Balls insertion tool

mystic — Mon, 07 Dec 2009 08:29:07 +0000

For balls, they can be designed to be secured by screws, or have the thread at one side with a hole for the screw driver. Like as shown in the picture.

Two types of balls

Balls insertion tool

The advantage for the hex type is easy to install. You can hold the screwdriver with the ball in one hand, and the other hand holding the parts to secure the ball. It is widely used in the 450 class heli.

But in the 300 class, the ball is smaller, and the neck of the ball is small as well. So, you can find that the biggest complain is the during a crash, the neck is broken and the thread is left in the parts. Then your parts become useless, and is having great cost if it is a CNC one.

Installation CNC Swashplate in TWF E-Sky FP2

mystic — Thu, 05 Mar 2009 09:52:39 +0000

Here is a demonstration of how to use our CNC Swashplate in TWF E-Sky FP2

Advantage of 4mm ball-link over 3.5mm

mystic — Thu, 03 Jul 2008 09:05:28 +0000

4.75mm ball and ball-link are the most common combination in 400 class market, while 3.5mm ball and ball-link dominates the 300 class market. Smaller size of ball has less angle of joint due to the screw size cannot be too small. For bigger size, it is a kind of overhead that it need a larger gap and space for the large ball-link to move freely. In our design, we get a balance point that choosing 4mm ball-link with small stem to ensure have at least 30 degree angle of joint.