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The GT3B VR mod nearly doubles the radio's run time
One of the main reasons Flysky can offer a radio at such a low price, is by using very common and inexpensive parts. Not that this a bad thing, but they are usually outdated and inefficient. A prime example of this is the voltage regulator Flysky uses. The stock voltage regulator drops the 12 volts from the batteries down to a constant 5 volts that the radio needs to function properly. However, they use a form of a linear regulator, which converts the voltage into heat...and heat is simply a form of energy. Not only is this heat causing the battery to drain faster, but Flysky doesn't include any heat sinking for the VR (to keep the costs down) and without heating the VR gets rather warm when the radio is used for a long period of time, or when the AA pack is swapped out for a 3s LiPo battery. The higher temperatures can cause premature failure of the VR and has the potential of creating the dangers that come with heat in its user's hands'.
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