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PowerHD A40CHV A50CHV High Torque Metal Servo - Gas Engine Turbine RC Aircraft
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Description
Professional High-Torque Metal Servo for RC Aircraft
The PowerHD A-40CHV and A-50CHV are premium all-metal high-torque servos engineered specifically for serious RC aircraft applications. Perfect for 30-200cc electric, gas engine, and turbine jet aircraft, these heavy-duty servos deliver exceptional power and precision for demanding flight operations.
Premium Construction Features:
- Full CNC Metal Housing: Precision-machined red aluminum casing for maximum durability
- High-Grade Steel Gears: 7075 aluminum + 416 imported steel gear train for superior strength
- Japanese Potentiometer: Premium imported components for accurate positioning
- High-Voltage Coreless Motor: Compatible with 6.0-8.4V for powerful performance
- Programmable PGC Series: Adjustable parameters via offline programming card
- Dual Ball Bearings: Smooth, precise operation with minimal wear
Ideal Applications:
- EDF (Electric Ducted Fan) aircraft
- Gas engine RC planes (30-200cc)
- Turbine jet aircraft
- Large-scale aerobatic models
- High-performance sport planes
A-40CHV Technical Specifications:
Torque Performance:
- 6.0V: 25.0 kg-cm (347.2 oz-in)
- 7.4V: 35.0 kg-cm (486.1 oz-in)
- 8.4V: 40.0 kg-cm (555.5 oz-in)
Speed:
- 6.0V: 0.14 sec/60°
- 7.4V: 0.12 sec/60°
- 8.4V: 0.10 sec/60°
Additional Specs:
- Operating Voltage: 6.0-8.4V DC
- Weight: 80g (2.82 oz)
- Bearing Type: Dual Ball Bearing
- Motor Type: Coreless Motor
- Gear Type: Steel & Aluminum
- Operating Temperature: -20°C to 60°C
- Frequency: 1520μs / 333Hz
- Dimensions: 40.7 x 20.5 x 38.7mm (1.60" x 0.81" x 1.52")
A-50CHV Technical Specifications:
Torque Performance:
- 6.0V: 35.0 kg-cm (486.1 oz-in)
- 7.4V: 45.0 kg-cm (625.0 oz-in)
- 8.4V: 50.0 kg-cm (694.4 oz-in)
Speed:
- 6.0V: 0.19 sec/60°
- 7.4V: 0.17 sec/60°
- 8.4V: 0.16 sec/60°
Additional Specs:
- Operating Voltage: 6.0-8.4V DC
- Weight: 80g (2.82 oz)
- Bearing Type: Dual Ball Bearing
- Motor Type: Coreless Motor
- Gear Type: Steel & Aluminum
- Operating Temperature: -20°C to 60°C
- Frequency: 1520μs / 333Hz
- Dimensions: 40.7 x 20.5 x 38.7mm (1.60" x 0.81" x 1.52")
Choose Your Model:
A-40CHV: Best for applications requiring faster speed (0.10 sec) with excellent torque up to 40 kg-cm
A-50CHV: Maximum torque option (50 kg-cm) for heavy control surfaces and demanding applications
Both models feature the same robust construction, programmable functionality, and wide voltage compatibility, making them versatile choices for professional RC aircraft enthusiasts and competitive pilots.
Shipping Info

Shipping Rates and Free Shipping
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Free Shipping on Orders Over $100: Enjoy free standard shipping on all orders over $100 within the United States. Simply add eligible items to your cart and the discount will be applied at checkout.
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Standard Shipping: For orders under $100, standard shipping charges will apply. Shipping charges are calculated based on the weight of your items and the shipping address.
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International Shipping: We offer worldwide shipping to most countries. Shipping charges for international orders are calculated based on the destination and package weight. Please note that depending on the regulations in your country, Soarsky RC covers taxes of most of countries. Some countries' tax need to be paid by recipient due to the local rules.
International Shipping Tax Rule: Most of our products are offered at tax-inclusive prices. For the few countries where taxes may apply, the final tax amount will be based on the official declared value determined by Soarsky RC. If the recipient requests an invoice with a different order value that leads to changes in taxes, Soarsky RC shall not be held responsible.
Shipping Times
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Domestic Orders (within the United States): Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days to arrive, depending on your location. Please note that delivery times may vary due to factors such as weather conditions and holidays.
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International Orders: International orders are processed within 1–2 business days. Delivery times vary depending on the destination and may take 7–21 business days. Customs processing may also affect delivery times.
Order Tracking
Once your order has been shipped, you will receive a confirmation email with a tracking number. You can use this tracking number to monitor the status of your shipment through our carrier’s website.
Shipping Restrictions
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PO Boxes and APO/FPO Addresses: We can deliver to PO Boxes and APO/FPO addresses. However, please note that delivery times to these addresses may be longer.
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Remote Areas: Some remote areas may experience longer delivery times or may not be eligible for certain shipping options. We will notify you if you experience any issues with delivery.
Delivery Issues
If you encounter any issues with delivery, such as damaged items or lost packages, please contact our Customer Service team as soon as possible. We will work with you to resolve any issues and ensure your satisfaction.
About Returns
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Once an order has been shipped and received without issue, returns are not accepted unless there is a quality problem with the product.
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If you request cancellation before the order is shipped, a 30% handling fee will be charged, as imposed by the payment software.
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If you wish to return a product that has been delivered normally and has no quality issues, you will be responsible for all related shipping costs and tariffs, and the product must be returned in its original condition.
Contact Us
If you have any questions or concerns related to shipping, please contact our customer service team at soaringskystore@protonmail.com.
Our team is always here to assist you and provide any information you may need.
Thank you for shopping with us! We appreciate your patronage and are committed to providing you with a seamless shopping experience.
