RubberQuad's Squirrel presents an original design.
Unique Frame Design
Non-Traditional Design:
Electronics are sandwiched within two plates, just the height of the arms.
Uses a 25mm all-in-one flight controller and ESC.
Typically, all-in-one boards are less durable but suitable for 3 to 3.5-inch size quads.
Mounting and Components
O3 Air Unit:
Mounted vertically in the rear for centralized weight.
Configuration keeps the quad compact and improves handling.
USB Extension Board:
Simplifies configuration by avoiding internal access for USB connections.
Motor Specifications
Rubber Quads Brand Motors:
Model: 1604 size, 4040 kV.
Larger than usual for lighter quads under 250 grams.
Offers good handling and torque.
Weight and Regulation
Weight Details:
Quadcopter weight: 172 grams.
Total weight with battery: 247 grams (below FAA registration threshold).
Performance and Handling
Flying Experience:
Very fast and agile.
Less fear of crashing compared to larger quads, promoting a more adventurous flying style.
Durability Concerns:
Arm breakage observed but considered not typical.
Frame shows trade-off between weight and durability.
Maintenance and Usability
Challenges in Arm Replacement:
Requires removing multiple screws and plates, making maintenance cumbersome.
Use of Torx Connectors:
Provides superior durability but requires a specific tool.
Camera Protection and Adjustment
O3 Camera:
Adjustable depth for increased protection.
Replacement of broken lens is costly and complex.
Battery and Mounting Issues
Battery Movement:
Battery pad is grippy but battery still shifts during crashes.
Recommendations:
Consider using a more adhesive battery pad.
Final Thoughts
Durability vs. Performance:
Not designed for extreme durability but offers excellent performance.
Target Audience:
Suited for those seeking lightweight performance over rugged durability.
Availability and Support:
Available through RubberQuads, a small innovative company.
Conclusion
The RubberQuad's Squirrel is a performance-oriented quadcopter with innovative design, making it a strong choice for enthusiasts looking for high agility and responsiveness in a sub-250 gram frame.