QAV250 Carbon Fiber Quadcopter Frame V3 T3 - 250mm Wheelbase for 5-Inch FPV

Specifications

• Frame Type: Unibody H-Frame

• Wheelbase: 250mm (Diagonal motor-to-motor)

• Material: Carbon Fiber

• Standoffs: Red Anodized Aluminum

• Propeller Compatibility: Up to 5.0 inch

• Flight Controller Mounting: Standard 30.5mm x 30.5mm

• Motor Mounting Pattern: 16x16mm / 19x19mm (Fits standard 22xx series motors)

• Landing Gear: 4x 11mm Oval Adhesive Foam Pads

• Bare Frame Weight: 132g

Key Applications and Projects

• Beginner 5-Inch Builds: The spacious layout makes this the absolute best frame for first-time builders learning how to solder and route FPV electronics.

• Bando-Bashing Freestyle: Slap some durable 2207 motors on this rigid unibody frame and dive concrete buildings without fear of snapping modular arms.

• Line-of-Sight (LOS) Trainers: Throw some bright LEDs on the arms and use the stable H-frame geometry to practice aggressive line-of-sight acrobatics.

Unlock New Capabilities (Project Evolution) The Bulletproof Heavy-Lifter: Want to carry a heavy GoPro Hero without your drone feeling sluggish? Evolve this frame! Take advantage of the 250mm wheelbase by installing massive 2306 1750KV motors and powering them with a 6S LiPo battery mounted on the top deck. Use highly pitched 5.1-inch tri-blade propellers (like 51466s). Because the QAV250 has so much internal space, you can easily fit a dual-capacitor SpeedyBee 55A ESC stack inside to handle the massive 6S current spikes. You just turned a classic trainer frame into a 90mph cinematic missile!

Package Includes:

• 1 x QAV250 Carbon Fiber Frame Kit (Top plate, unibody bottom plate, center plates)

• 1 x Set of Red Aluminum Standoffs

• 1 x Assorted M3 Hardware Kit (Screws and Nuts)

• 4 x 11mm Oval Foam Landing Pads (Adhesive Backed)

FREQUENTLY ASKED QUESTIONS (FAQ)

Q: What does a 250mm wheelbase mean? A: Wheelbase is the exact diagonal distance measured from the center of the front-left motor shaft to the center of the rear-right motor shaft. 250mm is the classic size for 5-inch drones.

Q: What size propellers fit this frame? A: This frame is optimized to perfectly clear up to 5.0-inch propellers.

Q: Does it come with the triangle landing feet shown in some older generic diagrams? A: No. We have upgraded the landing gear. You will receive four 11mm oval foam pads instead. They are lighter, absorb impact better, and won't snap on hard landings.

Q: How do I install the foam landing pads? A: Clean the bottom of the arms (directly under where the motors mount) with rubbing alcohol. Peel the adhesive backing off the foam pads and press them firmly onto the carbon fiber.

Q: What size flight controller can I mount in this? A: The central bay features pre-drilled holes for the industry-standard 30.5mm x 30.5mm flight controller and ESC stacks.

Q: What motors should I use? A: The arm mounting slots are compatible with standard 16x16mm to 19x19mm patterns. 2204, 2205, 2206, or 2207 size brushless motors are highly recommended.

Q: How much does the bare frame weigh? A: Fully assembled with hardware, the bare frame weighs 132 grams.

Q: Is this an X-frame or an H-frame? A: This is an H-frame. While X-frames have the arms meeting at a tiny central point, an H-frame has an elongated main body, giving you vastly more room to mount components.

Q: What does "Without 3DP" mean in the title? A: "Without 3DP" means this kit does not include any custom 3D-Printed (TPU) parts, such as GoPro mounts or antenna holders. It is the pure carbon and hardware kit.

Q: Where do I mount the battery? A: The QAV250 geometry allows you to mount your LiPo battery either on the very top plate or strapped underneath the bottom plate, depending on your center-of-gravity preference.

Q: What are the red pillars made of? A: They are machined from aerospace-grade aluminum and anodized red for both structural rigidity and aesthetics.

Q: Can I run 6-inch props on this? A: No. The arms are exactly long enough for 5-inch propellers. 6-inch props will strike the central frame standoffs.

Q: Does the frame come pre-assembled? A: No, it arrives as a flat-packed kit. You will need standard metric hex drivers to bolt the carbon plates and standoffs together.

Q: Is this a unibody frame? A: Yes, the bottom main plate and all four arms are cut from a single, continuous sheet of carbon fiber, which makes the lower half incredibly rigid.

Q: Is this frame good for beginners? A: Absolutely. Because the main body is so long, you do not have to fight for space when soldering wires, making it the most forgiving frame geometry for new builders.

Q: Can I mount a DJI O3 or Walksnail digital VTX in this? A: Yes, there is plenty of internal space for the VTX unit itself. However, because this is a classic frame design, you may need to zip-tie your digital antennas or print a custom TPU bracket for the rear standoffs.

Q: What kind of FPV camera fits? A: Standard micro or mini analog FPV cameras fit well, though you may need a small mounting bracket depending on the exact width of your chosen camera to secure it between the front standoffs.