T4 Quad Arm for DT-750 motors.

thingiverse

This impressive arm is engineered specifically to accommodate HobbyKing's legendary DT-750 motors, showcasing a thrilling new quad setup.\nThe design originated in SketchUp and the original file can be easily downloaded by enthusiasts who want to give it a try.\nRigorous testing has just commenced with ongoing updates of test flights posted for analysis purposes.\nLast update: August 4, 2014 (version 1.0).\nThe quad underwent crucial enhancements which included a substantial enlargement of the motor base mount by an extra 0.5 millimeters to provide a better grip and more secure assembly process.\nHobbyKing DT-750 engines are widely available for purchase at http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=6247&aff=7235. \n \n Design Notes When 3D printing these arm components, try the following settings: Material: Polylactic Acid Layer height: 0.2 millimeters Shell thickness: 0.8 millimeters Infill density: 40% Printing time results in about 55 grams of fully-printed component weight per part.