Update 2:

• In response to special requests, I have uploaded a DXF file export of a frame that supports 4-inch propellers
• A few additional motor guards have been added ;)

Update 1:

• The brand-new V3 model rack
• Add a bottom gasket
• Install the arm guard

Overview

This is a complete FPV racing frame designed for 3-inch propellers.

The motor has a wheelbase of 140mm and a stretch angle of 105 degrees.

Simply send the frame-face.dxf file to your carbon fiber milling processing plant, and they will process it using 3mm-thick carbon fiber. I chose one in Germany.https://www.carbon-posten.deThe processing fee is approximately 28 euros.

My configuration is as follows:
20mm flight control board stacking:
https://www.banggood.com/HGLRC-XJB-F428-TX20-Omnibus-F4-Flight-Controller-28A-2-4S-Blheli_S-ESC-25100250mW-Switchable-VTX-p-1183977.html?rmmds=search

Motor:
https://www.banggood.com/4-X-Racerstar-Racing-Edition-1407-BR1407-3500KV-2-3S-Brushless-Motor-for-150-180-200-RC-Multirotor-p-1120744.html?rmmds=search

Camera:
https://www.banggood.com/RunCam-Micro-Swift-2-600TVL-2_1mm2_3mm-FOV-160145-Degree-13-CCD-FPV-Camera-with-Built-in-OSD-p-1179743.html?rmmds=search

Paddle blade:
https://www.banggood.com/2-Pairs-Gemfan-Flash-3052-3_0x5_2-PC-3-blade-Propeller-5mm-Mounting-Hole-for-1306-1806-Motor-p-1179233.html?rmmds=search

Lithium battery:
http://eu.amaxshop.com/index.php?route=product/product&path=4_399_235&product_id=1214

The weight of my entire device is about 200g, which is below the "magic threshold" in Germany, so I don't need to attach a name or address label :)

Here is the video of the maiden flight:
https://youtu.be/qt8AYa1w_d4