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The Surface 120 FPV Racer Frame kits are CNC machined from billet aluminum. These multirotor frame kits are very strong, light weight and look great. They will work with a variety of brushless motors running on 2S, 3S, and even 4S.
Assembly is very straight forward with only a few pieces. Kits can be put together in the traditional layout with the motors on the bottom frame allowing up to 2" props. Or they can be configured as an underslung design with the motors on the top platform allowing for 3" props. All parts are included for either setup.
The frames will accommodate a full FPV setup with separate logic board, ESC's, BEC, and RX. See our recommended components above.
The aluminum frame kits offer advantages such as a rigid platform for responsive flying, arms acting as heat sinks keeping the motors running cooler and the attention to detail not normally found on these smaller quads. The frames can really take a beating in the event of an unfortunate crash. The same stress that would normally break a carbon fiber or fiberglass frame may slightly bend the aluminum arm. These can easily be bent back perfectly without any loss of flying time.
Recommended Components (many other options available):
Weight (complete frame with landing gear and screws): 29g
All up flying weight can vary depending on how kit is assembled. We have assembled these with full FPV gear, a 3S battery and having an all up weight of around 115g. No FAA regulations on this quad!
Motors and Props shown in pictures are not included with the frame.
Care must be taken to make sure no exposed electronics come into contact with the aluminum frame. Keeping the ESC's wrapped and the logic board in its enclosure is recommended. All solder connections should be properly wrapped.
Trimming down the 3" DYS props to approximately 2.2" have proven to work very well with these motors on 3S. Short video will be published soon showing how to do this.
When running 2" props and the DYS BE1104 motors make sure to purchase props with a 1mm or 1.5mm center hole. The DYS motors have a 1.5mm shaft. For the 1mm hole props you will need to drill out to 1.45mm.