The Draco Sub-Micro 9g metal gear servo that is factory installed seems to work extremely well but apparently occasionally it is not that uncommon to get a faulty servo. Admittedly though ,Horrizon Hobby immediately sent me a new servo which is a testament to their quality customer service! With the exception of the single servo issue I have flown
...Read MoreRead more about The Draco Sub-Micro 9g metal gear many hours with no further issues and all of the surfaces seem to work correctly without glitches. It is important during your preflight which should be done each time your aircraft is going to be flown to ensure that there is no binding of the controls surface or linkage and that it has a secure connection . These servos were designed to fit properly in their servo boxes on the aircraft Draco specifically and do that quite well. I always believe in keeping a few spares in my field box anyway because a hard landing or bumping something could compromise any servo. With that said and for the price I find it to be an excellent deal and the servo does everything necessary in specific for the Draco airplane! Read LessRead less about The Draco Sub-Micro 9g metal gear