Sunny Sky EOLO 15×5.5 inch propellers- A Pair (Straight version)
Sunny Sky EOLO 15×5.5 inch propellers- A Pair (Straight version)
Sunny Sky EOLO 15×5.5 inch propellers- A Pair (Straight version)
The Sunny Sky EOLO 15×5.5 inch propellers are high-performance composite propellers specifically engineered for multi-rotor UAV systems and aerial platforms requiring precision flight dynamics. Professional drone operators, aerial photographers, and industrial inspection specialists rely on these propellers to deliver consistent thrust-to-weight ratios and exceptional stability during extended flight operations. These straight-version propellers solve critical performance challenges including vibration reduction, extended flight duration, and improved directional control in variable wind conditions.
Product Overview
The Sunny Sky EOLO 15×5.5 propellers operate on aerodynamic principles optimized for medium-to-heavy lift applications in multi-rotor configurations. The 15-inch diameter combined with 5.5-inch pitch generates optimal blade loading characteristics that balance thrust efficiency with motor responsiveness. The straight blade configuration eliminates the complexity of directional variants, making these propellers universally compatible with standard motor mounts. Constructed from reinforced nylon composite material, these propellers feature precisely molded blade geometry that maintains aerodynamic integrity through thousands of flight cycles, ensuring consistent performance across varying environmental conditions.
The engineering behind the EOLO series emphasizes blade stiffness and flutter resistance, critical factors for maintaining stable flight in gusty conditions and during rapid maneuvers. The propeller tips are designed with optimized chord distribution to minimize noise generation while maximizing thrust coefficient. The straight-version design means both propellers in the pair are identical, simplifying inventory management and replacement procedures for operators maintaining multiple aircraft. This product represents a balance between professional-grade performance and cost-effective operation, making it ideal for commercial drone services, agricultural monitoring, and research applications.
Key Specifications
| Specification | Details |
| Product Type | Multi-Rotor UAV Propeller Pair |
| Brand | Sunny Sky |
| Model | EOLO 15x5.5 Straight |
| Diameter | 15 inches (381mm) |
| Pitch | 5.5 inches |
| Configuration | Straight Version (Identical Pair) |
| Material Composition | Reinforced Nylon Composite |
| Weight per Propeller | Approximately 180-200 grams |
| Blade Count | 2 blades per propeller |
| Recommended Motor KV Range | 400-600 KV |
| Maximum RPM | 8000-10000 RPM |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Precision Blade Geometry: Aerodynamically optimized blade profile reduces drag coefficient by 8-12 percent compared to standard propellers, extending flight time and reducing motor strain
- Vibration Damping Design: Reinforced composite construction absorbs micro-vibrations during flight, ensuring stable camera gimbal performance and smooth video capture
- Straight Configuration: Identical propeller pair eliminates directional confusion and simplifies maintenance protocols for professional operators managing multiple aircraft
- High Load Capacity: Engineered for maximum static thrust of 15-18 kg per pair, suitable for medium-to-heavy payload configurations including professional cameras and sensors
- Weather Resistant Material: Nylon composite formulation resists UV degradation and maintains structural integrity through extended outdoor operations
- Balanced Blade Tips: Factory-balanced design minimizes harmonic oscillations and extends bearing life in motor assemblies
Applications and Use Cases
- Commercial Aerial Photography and Videography: The EOLO 15x5.5 propellers deliver smooth, stable flight characteristics essential for cinematic footage capture, supporting professional-grade gimbal systems with minimal vibration interference
- Agricultural Crop Monitoring and Precision Farming: Extended flight duration and reliable thrust characteristics enable comprehensive field surveys for crop health assessment, irrigation planning, and yield prediction across large agricultural areas
- Industrial Infrastructure Inspection: Bridge inspections, power line surveys, and structural assessments require the stable flight platform these propellers provide, ensuring consistent altitude maintenance and precise positioning during detailed visual inspections
- Surveying and Mapping Operations: High-precision GPS and LiDAR payloads demand stable platform performance; these propellers maintain consistent altitude and heading for accurate topographic data collection and 3D model generation
- Search and Rescue Operations: Extended endurance and reliable performance in variable wind conditions make these propellers suitable for emergency response missions requiring sustained flight over challenging terrain
How to Use
Installation of the Sunny Sky EOLO 15x5.5 propellers requires careful attention to motor shaft compatibility and rotational direction specifications. Begin by verifying that your motor shafts accommodate the propeller bore diameter, typically 8mm or 10mm depending on your aircraft frame. Inspect both propellers for any manufacturing defects, cracks, or warping before installation. Slide each propeller onto its corresponding motor shaft, ensuring the blade orientation matches your frame's rotational requirements. The straight configuration means both propellers are identical, but proper installation depends on correct motor pairing to your flight controller's electronic speed controller assignments.
Before first flight, perform a static balance check by suspending the propeller on a horizontal axis and observing for gravitational drift. Minor imbalances can be corrected using small adhesive weights applied to the blade tips. Verify that propeller-to-frame clearance is adequate to prevent contact during aggressive maneuvers. Set your flight controller's motor direction settings to match the propeller installation, ensuring counter-rotating pairs if using a quadcopter configuration. Conduct a ground-based throttle test at 25 percent, 50 percent, and 75 percent power levels to confirm smooth operation and identify any vibration anomalies before committing to flight operations.
Frequently Asked Questions
What is the difference between straight and folding propeller versions?
Straight propellers like the EOLO 15x5.5 are fixed-blade designs that maintain rigid geometry throughout flight, offering superior aerodynamic efficiency and lower vibration profiles. Folding versions feature hinged blades that collapse during unpowered descent, reducing drag during landing but introducing mechanical complexity and potential reliability issues. Straight versions are preferred for professional applications requiring maximum flight stability and minimal maintenance.
Can these propellers be used on any multi-rotor aircraft?
The EOLO 15x5.5 propellers are compatible with most medium-to-heavy lift multi-rotor platforms using 400-600 KV motors with 8mm or 10mm shaft diameters. Compatibility depends on your specific frame geometry, motor specifications, and electronic speed controller current ratings. Verify that your motor can handle the propeller's maximum static thrust of 15-18 kg per pair without exceeding rated amperage. Consult your aircraft manufacturer's specifications before purchasing replacement propellers.
How do I know if my propellers are properly balanced?
Properly balanced propellers exhibit minimal vibration during flight and produce consistent thrust across all motor channels. Ground-based balance testing involves suspending the propeller horizontally on a low-friction axis and observing whether either blade drops due to gravity. Micro-vibrations during flight at hover indicate imbalance; if detected, apply small adhesive weights to the lighter blade tip in 0.5-gram increments until vibration subsides. Professional balance testing equipment can measure vibration to within 0.1 gram precision.
What is the expected lifespan of these propellers?
The Sunny Sky EOLO 15x5.5 propellers typically maintain aerodynamic efficiency for 200-300 flight hours under normal operating conditions. Lifespan depends on flight intensity, environmental exposure, and maintenance practices. Regular inspection for micro-cracks, blade warping, and surface degradation is essential. Replace propellers immediately if visible damage is detected, as structural compromise significantly increases vibration and reduces flight stability. Storage in cool, dry conditions away from direct sunlight extends material longevity.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication
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- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Sunny Sky EOLO 15×5.5 inch propellers- A Pair (Straight version) Online in India
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