T4 四旋翼迷你250无人机（5英寸螺旋桨）

T4 Quadcopter Mini 250 Drone (5 inch props)

2023-03-26 21:11:01

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This text describes a 3D printable quadcopter frame named T4 Mini. It provides detailed information about its features, modifications, and history.

Here's a breakdown:

Features:

Compact Design: Designed to be smaller and lighter than the original T4 frame.
Modular: Can be customized with optional parts like an additional deck, 3D printed posts, and a rear upper deck.
Lightweight "Invisible" Frame: Constructed using a material that is less visible compared to traditional carbon fiber or aluminum frames.
Customizable: Includes a SketchUp file allowing users to make changes and personalize the design.

History of Modifications:

September 2, 2014: Release of legs for the T4 Mini frame.
August 12, 2014 (Version 1.4): Introduction of a vibration isolating top plate option using damping balls to minimize vibrations from motors and improve flight stability. The original top plate is replaced with one that incorporates mounting points for these balls, which connect to a floating plate designed to hold the flight controller and camera.
July 20, 2014: Addition of T4MiniArm30mm7inch.stl and T4MiniArm28mm7inch.stl files for users experimenting with larger (7") propellers.
July 12, 2014 (Version 1.3): Inclusion of T4MiniTrayShallow.stl as a low-profile bottom tray option reducing the available height to 7mm.
June 1, 2014 (Version 1.2): Introduction of T4MiniArm30mm.stl designed to accommodate larger motors like the Lumenier 2206-11 and featuring slots for 3mm motor bolts. Updated T4MiniBatteryPin.stl with a tab for easier installation and removal of the battery pin.
May 31, 2014: No changes to files but a mention of switching from Multistar ESCs to Afro 12A ESCs (SimonK firmware) resulting in significant performance improvement. Plans to install Lumenier 2206-11 motors were also mentioned.
April 26, 2014 (Version 1.1): Improvements to the top plate and bottom tray attachment methods, increased zip tie hole sizes for easier threading, a thicker top plate with rearranged mounting points for rubber bands and hex posts at the rear. Addition of new posts and a plate for mounting receivers or other components. New slots in the rear of the bottom tray were added to facilitate cable routing up the back of the T4 Mini frame for specific flight controllers.

The provided text offers a detailed history of the T4 Mini quadcopter frame, showcasing its evolution through various iterations and modifications. It highlights user feedback and design improvements implemented over time, making it a valuable resource for enthusiasts and professionals in the field.

T4 四旋翼迷你250无人机（5英寸螺旋桨）

朋友，你觉得上面这个模型，属于下面的哪个分类？