7-Inch Drone Rack: D-RACK-7 FPV Frame Specifications and Build Guide
A Closer Look at the D-RACK-7 FPV Frame
The 7-inch drone rack is designed for pilots assembling a capable FPV racing or freestyle multirotor. The D-RACK-7 uses an X-shaped layout, a 330 mm diagonal wheelbase, and a lightweight 165 g net frame weight. Therefore, it offers a practical balance between stability, agility, and manageable build weight. The frame also supports 4S–6S batteries and recommended 28-series motors, giving builders room to match the power system to their flying style. In addition, the 7-inch FPV drone frame includes 5 mm arms and 2.5 mm upper, middle, and bottom plates. These dimensions create a structured platform for flight electronics, motors, and camera equipment. The 20 mm equipment layer height further helps organize components inside the central body. Meanwhile, the 30.5 x 30.5 mm M3 flight-controller mounting pattern supports commonly used FC boards. The 19 mm camera spacing and 19 mm M3 motor-hole spacing also simplify component planning. As a result, builders can evaluate compatibility before beginning assembly. The matte-black frame has a technical racing and freestyle appearance, with visible carbon-fiber-style construction and stacked plates separated by spacers. Moreover, its front section provides a dedicated camera or electronics mounting area. The image details also show quick-detachable arms, which can make field maintenance more convenient. Overall, this 7-inch drone rack suits pilots who want a larger propeller platform without moving to an unnecessarily heavy chassis. It is especially useful for custom builds that require clear mounting dimensions, flexible battery selection, and a serviceable frame layout. Additionally, the illustrated dimensions show a 225 mm overall measurement, helping builders plan equipment placement and transport requirements with greater confidence.
7-Inch Drone Rack Specifications at a Glance
Before selecting electronics, review the core measurements below. Specifically, these figures define the frame’s mounting compatibility, power-system range, and physical proportions.
| Rack type | X-shaped |
| Diagonal wheelbase | 330 mm |
| Shown overall dimension | 225 mm |
| Net rack weight | 165 g |
| Plate thickness | 2.5 mm upper, middle, and bottom plates |
| Arm dimensions | 5 mm thick and 15 mm wide |
| Battery range | 4S–6S |
| Recommended motors | 28-series motors |
| Motor mounting holes | 19 mm spacing, M3 |
| Flight-controller mounting | 30.5 x 30.5 mm, M3 |
| Camera spacing | 19 mm |
| Maximum blade size | 7 inch |
How the D-RACK-7 Supports a Practical FPV Build
The X-shaped geometry gives the D-RACK-7 a familiar layout for racing and freestyle builds. At the same time, its four arms extend toward widened motor-mount sections with circular and elongated mounting holes. Consequently, builders can position compatible motors securely while keeping the propulsion layout balanced.
Furthermore, the multi-level construction separates the upper, middle, and bottom plates. This arrangement creates space for flight controllers, ESCs, battery hardware, and other drone parts. The 20 mm equipment layer height is particularly useful when planning a neat installation. However, builders should still confirm the dimensions of their selected electronics before assembly.
Key build advantages
- The 330 mm wheelbase supports a stable 7-inch platform.
- The 165 g net weight helps keep the frame manageable.
- The 5 mm arms provide a substantial structural foundation.
- Quick-detachable arms can simplify field maintenance.
- Standardized M3 mounting patterns support easier component planning.
Choosing Batteries, Motors, and Electronics
The frame is specified for 4S–6S battery configurations. Therefore, pilots can choose a power setup according to their preferred balance of response and output. The product information recommends 28-series motors for this platform. In addition, the 19 mm M3 motor-hole spacing should be checked against the chosen motor before purchase.
The 30.5 x 30.5 mm M3 flight-controller pattern is another important planning point. Similarly, the 19 mm camera spacing helps narrow the list of compatible FPV camera installations. For best results, measure the full stack, camera, battery, and wiring layout before tightening the frame. This approach reduces installation surprises and leaves more room for clean cable management.
Important: Confirm motor-hole spacing, flight-controller dimensions, camera fit, and battery clearance with your selected components before building.
Related Links
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Product Link
https://uavauto.com/product/7-inch-drone-rack/
