
REC S500
Score: 75/100Diatone Roma F7
Score: 75/100Rankings

The REC S500 DIY UAS Drone Development Kit features a carbon-fiber/aluminum frame with an integrated 30A ESC and supports up to 10-inch propellers. Space constraints for larger batteries and calibration hurdles can affect ease of use. Targeted for hobbyists and intermediate builders wanting a versatile, customizable platform.
The Diatone Roma F7 is a 290 mm carbon-fiber racing frame designed for 7-inch props and 6S batteries, delivering efficient long-range cruising and freestyle capability. Its heavier build and taller stack can affect agility and antenna placement, making it less ideal for ultra-light racing. Targeted at intermediate to advanced pilots seeking a versatile, durable platform.
| Attribute | ![]() | Diatone Roma F7 |
|---|---|---|
| ↓ lower better | — | 200 gbest |
500 mmbest | 290 mm | |
10 inbest | 7 in | |
— | 1,100 KVbest | |
5best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Diatone Roma F7 |
|---|---|---|
Build & Design(2) | ||
Frame Size (diagonal) (mm) | 500 mm | 290 mm |
Frame Material | Carbon fiber + aluminum | 3K carbon fiber |
Performance(1) | ||
Propeller Size (in) | 10 in | 7 in |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors are absent from major tech sites, but product listings and niche drone blogs highlight the REC S500's durability, ease of customization, and balanced flight characteristics, positioning it as a solid value-pack option for hobbyists and intermediate DIY builders.
Everyday users appreciate the straightforward 10-minute motor/ESC installation, stable flight after auto-tuning, and the flexibility to add GPS, cameras or FPV gear, but they commonly report challenges with compass calibration, initial prop/motor mounting, and limited room for larger batteries or heavy gimbals.
Professional reviewers highlight the Roma F7's robust 4 mm arms and 3 mm bottom plate, noting its high crash resistance and efficient setup for 1800 mAh 6S flights. They commend its craftsmanship, modularity, and balanced performance for both freestyle and long-range cruising, while pointing out that it is not a punchy freestyle quadcopter and its taller stack can cause antenna challenges.
Everyday users consistently praise the frame’s durability and the ease of customizing it to their needs, often mentioning the long flight times achieved with 6S batteries. Common criticisms focus on its cruiser‑oriented nature, antenna interference with larger batteries, and the need for extra tuning to reach optimal performance.
“flies very well”

“Compass calibration took a while”

