Tips from the Pro's

CHOPPERADDICT SPECIALISES IN THE BUILDING, REPAIRING & 
SETTING UP OF R/C HELICOPTERS AND RADIOS

   

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Welcome to my new "Tips from the Pro's feature...

These pages will, over time, be one of the best sources for information gathered by me from all over the world of RC helicopters.  Over time, as it grows, it will be broken down into different groups targeting specific areas of knowledge such as Radios, Set up, flying, etc

So, without further ado, lets get started ...

GROUP - RADIOS


How the 2.4 GHz aerial should be used

Make sure that you have the transmitter aerial (2.4GHz) is bent at 90 degrees at the joint in it, and that it is pointing upwards toward the sky if the radio is on it's back.  The signal that is emitted from the aerial is rather like a large doughnut with it's centre along the aerial, so pointing the tip at a model is the very worst thing you can do to make a connection, or to fly with.


Binding Spektrum (and JR McGregor) radios.

Many people experience problems sometimes getting these makes of radios to bind correctly. You have to use a Bind Plug that is provided with the radios to do this, and then depending on your version of radio, hold one switch of\r the other or press a button on the back while turning your transmitter on.

Quite often the Receiver just sits there flashing rapidly ?  Whats wrong ?

Usually it is because the radio is too far away for the model itself.  Always try to get the radio as close as possible to the receiver when trying to bind. The manuals say you can be several feet away, but that is often not the case.

Also, make sure that you have the transmitter aerial (2.4GHz) bent at 90 degrees as described in the TIP above


GROUP - SETTING THE HELICOPTER UP


This is always a contentious area, but it is so important that many of us could write a whole book on the subject.  Although helicopters can vary quite widely in their design and functionality, the basics of mechanical set up are always pretty well the same.


First steps to doing a mechanical set up

Strangely, this is a point that is often missed, or misunderstood by a great many pilots.

The point of the mechanical set up has little to do with the actual flying characteristics of the helicopter, it is all about getting the mechanics of it correctly aligned so that the swash and lever movements needed to make it fly are evenly distributed to avoid logarithmic movements of the servos, tilting of the servo or swash plate during collective movement etc.

We need to have a known DATUM POINT to achieve this, and that is quite simply a setting on any of our PITCH curves that gives us exactly 50% PITCH when the throttle stick is exactly at the mid point of it's travel.

This may mean that you have to modify one of your pitch curves to get this right, or you may have a pitch curve that has it already. 

If you do NOT DO THIS, the mechanical set up will NOT BE OF ANY USE AT ALL ...


 

 

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