This along with its outstanding vibration performance makes the RAD li-ion an ideal platform for your next 7 inch long range FPV build. The slimmer, shorter design of this frame along with the battery positioning helps to reduce drag making it easier and more efficient to carry a large payload of two 6s li-ion batteries. Without a GoPro it will fit a 4000mah+ lipo on the top plate. It also easily fits a 2600mah lipo battery on the top plate along with a GoPro. With the batteries, GoPro and motors all as close to center as possible this 7" long range frame manages some surprisingly good maneuverability, even when carrying two 6s li-ion batteries (up to 8400mah total with 21700 cells). These 3D prints are held firmly in place while also allowing all of the structural fasteners to have a rigid connection to the upper and lower plates. Most of the toy quadcopters like the Hubsan X4 have mode 2 transmitters. Mode 1 transmitters have throttle on the right stick, and are popular in Australia. No more squeezing and crushing TPU underneath fasteners that were intended to have a rigid connection to the top or bottom plate. Mode 1 or 2 Image from SpektrumRC When you buy a transmitter, make sure to check what mode it is Mode 2 transmitters have throttle on the left stick, and are more popular in the USA. To assist even further with stiffening the frame a new fastening system has been devised for the 3D printed mounts. There is a selection of over a dozen STL files for 3D prints already available. A full size air unit will not fit.ģd prints DO NOT come with the frame but the STL files are easily accessible on Thingiverse. The RAD Li-ion has an outstanding minimum resonance frequency for a 7 inch build (my test version is at 215hz) especially when taking into account that it's carrying multiple long range antennas and two 6s batteries along with a full size GoPro.Īn STL file is available to make a 3D printed vertical mount for a Caddex vista unit for those looking to make this into a DJI build. This greatly reduces the amount of vibration from the roll and yaw axis and keeps them well under control on the pitch axis. The frame features two braces, perfectly balanced in stiffness vs the arms. BETAFPV Cetus X FPV Brushless Whoop Racing Quadcopter - FrSky D8. The intent of the design is to carry two separate 6s1p li-ion batteries. Drone Bundles View All DIY FPV Drone Kits. The RAD li-ion frame minimizes the frame size required to carry high milliamp hour long range batteries.
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