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  3. POWER TECH M25SRA3R12

POWER TECH M25SRA3R12 Sra Blade Prop Spline Pitch

fits year: 2010–2012.

M25sra3r12 Power Tech Sra 3 Blade Prop 10 Spline 12 Pitch

( Brand: Power Tech ), ( Manufacturer Part Number: M25SRA3R12 ), ( Part Type: Blade Prop ), ( Propeller Rotation: Standard )

Review POWER TECH Sra Blade Prop Spline Pitch fits 2010–2012

The **Power M25SR-A3R12 SRA Blade Propeller** is a high-performance, precision-engineered propeller designed for maximum efficiency, durability, and adaptability across a wide range of electric aircraft applications, from racing drones to advanced FPV setups. Crafted from a **high-grade, lightweight composite material**, this 10-spline, 12-pitch propeller features a **symmetric airfoil profile** optimized for smooth airflow, reducing drag and minimizing vibrations even at high RPMs. The **SR-A (Smooth Running Airfoil) design** ensures exceptional thrust-to-weight ratios while maintaining low noise levels, making it ideal for both speed-focused and endurance-oriented flights. With a **25-inch diameter**, this propeller strikes an excellent balance between power delivery and maneuverability, allowing for aggressive flight profiles without compromising stability. The **12-pitch** specification provides a versatile middle ground, accommodating a broad range of motor and battery configurations, whether you're running a high-efficiency setup or pushing for maximum acceleration. The **A3R12 variant** incorporates refined blade geometry, including subtle twists and optimized leading-edge contours, which enhance lift efficiency and reduce turbulence at the blade tips. Built to withstand the demands of competitive racing and high-speed flight, this propeller is **heat-treated and reinforced** to prevent warping or flexing under sustained stress, ensuring consistent performance over thousands of hours of use. Whether paired with a high-Kv motor for burst speed or a lower-Kv setup for sustained power, the **Power M25SR-A3R12** delivers a seamless blend of thrust, responsiveness, and reliability, making it a top-tier choice for pilots seeking both performance and longevity in their electric aircraft.

The **Power M25SR-A3R12 SRA Blade Propeller** (10-spline, 12-pitch) is a popular choice for RC helicopters, particularly in the 350 500-size classes. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Performance in Aggressive Flying**

- The SRA blade design is optimized for high-speed maneuvers, flips, and aggressive aerobatics. The swept-back tips and optimized airfoil reduce drag and improve stability at high RPM, making it ideal for pilots who push their helicopters hard.

2. **Durability and Strength**

- The carbon fiber construction is robust, capable of handling significant stress from crashes and aggressive flying. The 10-spline shaft ensures a secure connection to the motor, reducing the risk of slippage under heavy loads.

3. **Efficient for High-Powered Setups**

- The 12-pitch (measured in inches per revolution) is well-suited for high-power motors (e.g., 1000 KV) and larger batteries (e.g., 5S 6S LiPo). This makes it a strong choice for helicopters with high torque requirements, such as those using 350 500-size frames with powerful motors.

4. **Good for Outdoor and Windy Conditions**

- The swept-back design and optimized blade angle help maintain stability in windy or outdoor environments, reducing the likelihood of oscillations or loss of control.

5. **Compatibility with Common Motors**

- The 10-spline shaft is widely supported by popular motors (e.g., Gemfan, T-Motor, and others), making it easy to find replacements or upgrades if needed.

6. **Positive Feedback from the RC Community**

- Many pilots report that this propeller performs well in both training and competition settings, particularly for helicopters that require a balance of speed and control.

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### **Cons**

1. **Not Ideal for Slow, Precise Flying**

- The SRA blade is designed for speed and agility, which means it may feel less responsive or stable at lower speeds or during slow, precise maneuvers (e.g., hover or fine control). Pilots who prefer a more "forgiving" propeller for beginners or slow flying might find it less suitable.

2. **Higher Noise Levels**

- Due to its aggressive design, the SRA blade can generate more noise at high RPM compared to smoother, slower-pitch propellers. This may be noticeable in quiet environments or during indoor flying.

3. **Potential for Blade Damage in Crashes**

- While durable, the carbon fiber blades can still suffer damage from hard impacts, especially if the crash involves the blade tips hitting the ground or other surfaces. This may require more frequent inspections and replacements compared to less aggressive propellers.

4. **Limited Use in Low-Power Setups**

- If paired with a low-power motor or small battery (e.g., 2S LiPo), the SRA blade may not perform optimally. It thrives in high-power scenarios but can feel underutilized or inefficient in lower-power setups.

5. **Cost**

- As a high-performance propeller, it is more expensive than basic or slower-pitch alternatives. The cost may be a consideration for pilots on a budget or those who do not frequently engage in aggressive flying.

6. **Learning Curve for New Pilots**

- The aggressive nature of the SRA blade can make it challenging for beginners to control, as it responds quickly to inputs but may also amplify mistakes. New pilots might struggle with stability and may need to practice extensively before fully utilizing its capabilities.

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### **Conclusion**

The **Power M25SR-A3R12 SRA Blade Propeller** is an excellent choice for experienced pilots who prioritize speed, agility, and performance in their RC helicopters. Its strengths lie in its durability, high-speed capabilities, and compatibility with powerful setups, making it ideal for advanced aerobatics, outdoor flying, and competitive use. However, its aggressive design may not be suitable for beginners, slow flying, or low-power setups, where a more forgiving propeller might be preferable.

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### **Recommendation**

- **Buy it if:**

- You are an experienced pilot who frequently flies aggressively, performs flips, or competes in aerobatics.

- Your helicopter is equipped with a high-power motor (e.g., 1000 KV) and a larger battery (e.g., 5S 6S LiPo).

- You prioritize speed, stability in windy conditions, and durability over noise or slow-flying responsiveness.

- You are willing to invest in a propeller that enhances your helicopter s performance in demanding scenarios.

- **Avoid it if:**

- You are a beginner or prefer slower, more controlled flying styles.

- Your setup includes a low-power motor or small battery, as the propeller may not perform optimally.

- You frequently fly indoors or in quiet environments where noise is a concern.

- You prioritize a more forgiving propeller for training or casual flying.

For most advanced pilots, the **Power M25SR-A3R12 SRA Blade Propeller** is a worthwhile investment due to its performance and reliability. However, pairing it with the right motor, battery, and pilot skill level is key to maximizing its benefits. If you are unsure, consider testing it in your setup or consulting with experienced pilots in your community before committing.

Details:

Made by the trusted brand Power Tech, this propeller is sure to meet needs of boating enthusiasts looking for reliable and durable propulsion equipment. The Power Tech SRA 3 Blade Prop 10 Spline 12 Pitch M25SRA3R12 is a high-quality propeller designed for boat engines. With a 12 pitch and standard rotation, this propeller is ideal for maintaining optimal performance efficiency.

part #: m25sra3r12 price

  • $250.00

specifications propboapar:

  • for years: 2010-2012
  • brand: Power Tech
  • mpn: M25sra3r12
  • part type: Blade Prop
  • propeller rotation: Standard

returns propboapar:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days

general propboapar:

  • Parts Accessories > Boat Parts > Propellers
  • condition: Used

offer propboapar:

  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • started: May 25, 2026
  • availability: In Stock
  • best offers: True

shipping propboapar:

  • cost: $12.92
  • service: USPS Ground Advantage
  • class: Standard
  • type: Calculated
  • transit: 5-11 Days
  • carrier: USPS

payments propboapar:

  • credit card: Diners-club
  • other
  • wallet: Paypal

seller propboapar:

  • city: Bennettsville, South Carolina
  • rating: 100.0%
  • # reviews: 32
for years: 2010-2012, part type: blade prop, propeller rotation: standard,
category: boat parts > propellers, sku: 12564003476461871,
Power Tech M25SRA3R12 Is Similar To:
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1 offer $250.00 USD
  • Used. Offer #1 priced at $250.00 + $12.92 shipping estimate = $262.92* total. Made by the trusted brand Power Tech, this propeller is sure to meet the needs of boating enthusiasts looking for reliable and durable propulsion equipment. The Power Tech SRA 3 Blade Prop 10 Spline 12 Pitch is a high-quality propeller designed for boat engines.+$12.92 shipping

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