- Model number: Z-BLH5337
- Product type: Helical Main Gear
- Compatible helicopter models: B450, 330X, 360/270 CFX, Fusion 360/270
- Gear type: Helical tooth design
- Finish: Black
- Genuine manufacturer: Blade
- Component classification: Main rotor drivetrain gear
Overview
The BLH Helical Main Gear Z-BLH5337 is a genuine Blade replacement component engineered for precision RC helicopter operation. This helical main gear is specifically designed for use across multiple Blade helicopter models, including the popular B450, 330X, 360/270 CFX platforms and the Fusion 360/270 series. Whether you're operating a high-performance RC helicopter in the UK or anywhere else, maintaining genuine OEM parts ensures your aircraft maintains the exact flight characteristics and reliability you expect from your investment.
As an RC Model Shop customer looking for quality replacement gears for your Blade helicopter, you'll appreciate that this helical main gear represents authentic Blade engineering. The helical design offers smoother engagement and reduced noise compared to standard spur gears, making it an essential component for maintaining optimal rotor performance. If you've experienced wear on your main gear assembly or are upgrading your helicopter's drivetrain, this is the genuine replacement part specified by Blade for your model variant.
Blade helicopters demand precision components, and this helical main gear delivers exactly that. Stocking genuine Blade spares ensures your RC helicopter performs reliably, whether you're a weekend flyer enjoying casual flights or a dedicated enthusiast pushing your aircraft to its limits. The Z-BLH5337 is the correct replacement for your specific helicopter platform, eliminating guesswork when ordering maintenance parts for your RC fleet.
Key Features
- Helical gear design — The helical tooth profile provides smoother meshing with the pinion gear compared to spur tooth designs, resulting in quieter operation and reduced vibration throughout the main rotor drive system, which translates directly to better flight stability and more responsive control inputs.
- Genuine Blade component — This is an authentic Blade part manufactured to exact OEM specifications, ensuring perfect fitment and maintaining the precise gear ratios and meshing characteristics that Blade engineers designed into your specific helicopter model.
- Multi-model compatibility — The Z-BLH5337 is engineered to fit the B450, 330X, 360/270 CFX, and Fusion 360/270 helicopter platforms, making it a versatile replacement option if you operate multiple Blade models or need to upgrade existing aircraft in your collection.
- Black finish — The helical main gear features a black finish that provides corrosion resistance and durability through regular flying sessions and storage, maintaining structural integrity over time and through exposure to typical UK weather conditions.
- Critical drivetrain component — As the main gear that transfers power from your motor and ESC through the pinion to the main rotor, this component is absolutely essential for controlled, reliable helicopter flight, making it a must-have spare for any serious RC helicopter pilot.
Technical Performance
The BLH Helical Main Gear Z-BLH5337 represents precision engineering designed specifically for the demanding requirements of RC helicopter operation. The helical tooth geometry is meticulously machined to exacting tolerances, ensuring smooth power transmission from your brushless motor through the drivetrain to the main rotor assembly. The black finish provides superior corrosion resistance compared to bare metal alternatives, which is particularly important for UK operators who may expose their aircraft to variable weather conditions during storage or transport. The gear's construction maintains the exact pitch diameter and tooth count specified by Blade for your helicopter model, preserving the critical gear ratio that determines rotor RPM and overall aircraft performance. Unlike generic aftermarket gears, this genuine Blade component ensures compatibility with the swashplate assembly, bearing blocks, and main shaft configuration of your specific helicopter platform. The helical design inherently produces less noise and vibration than spur gear alternatives, which means smoother vibration transmission through the airframe and more stable rotor head dynamics during flight. For operators flying brushless-equipped Blade helicopters, maintaining proper gear condition is essential for consistent ESC performance and reliable motor engagement. Whether you're flying a B450 trainer model, a 330X intermediate platform, or the more advanced 360/270 CFX or Fusion 360/270 configurations, this helical main gear delivers the engineering precision your aircraft demands.
What's in the Box
- BLH Helical Main Gear (Black) Z-BLH5337
What You Need to Complete
- Blade helicopter airframe assembly (B450, 330X, 360/270 CFX, or Fusion 360/270)
- Main shaft assembly compatible with your helicopter model
- Helical pinion gear (10T, 11T, or 12T options available separately)
- Bearing block assembly and swashplate components
- Motor and ESC installed and configured for your platform
Frequently Asked Questions
- Which Blade helicopter models does the Z-BLH5337 helical main gear fit? — This genuine Blade component is engineered specifically for the B450, 330X, 360/270 CFX, and Fusion 360/270 helicopter platforms. Always verify your exact model variant before ordering, as Blade produces multiple configurations and accessories for each helicopter line, and checking your instruction manual will confirm the correct part number for your specific aircraft.
- What is the advantage of a helical main gear over a standard spur gear? — Helical gears feature angled teeth that mesh more gradually and smoothly than spur teeth, resulting in significantly quieter operation, reduced vibration transmission, and less mechanical stress on the drivetrain components. For RC helicopter operation, this smoother engagement means more stable rotor head dynamics, more responsive control inputs, and a more enjoyable flying experience with less mechanical noise and vibration feedback through your remote transmitter.
- How often should I replace my main gear? — The helical main gear will typically wear gradually over hundreds of flight hours, depending on your flying intensity and maintenance practices. Regular inspection of your helicopter's drivetrain components as part of routine maintenance helps identify wear before catastrophic failure occurs. If you notice increased vibration, unusual noises from the rotor head area, or any deviation in rotor RPM, it's time to inspect and potentially replace the main gear to prevent damage to other drivetrain components.
- Is this a genuine Blade part or an aftermarket alternative? — The Z-BLH5337 is an authentic, genuine Blade component manufactured to exact OEM specifications and tolerances. Genuine Blade parts maintain the precise gear ratios, meshing characteristics, and overall flight performance characteristics that Blade engineers designed into your specific helicopter model, whereas aftermarket alternatives may vary in quality and tooth profile accuracy.
- Can I use this helical main gear on other helicopter brands? — No, this helical main gear is specifically engineered for Blade helicopter platforms and will not fit other manufacturers' helicopter models due to differences in main shaft diameter, bearing block configuration, and overall drivetrain geometry. Always use parts specified for your exact helicopter platform to ensure proper fitment and flight safety.
- What tools do I need to replace the main gear? — Replacing the helical main gear typically requires basic RC helicopter tools including small wrenches, hex drivers, and possibly a small gear puller tool to safely remove the existing gear from your main shaft without damage. Your Blade helicopter instruction manual will provide detailed disassembly and reassembly procedures specific to your model variant.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the BLH Helical Main Gear: B450, 330X, 360/270 CFX, Fusion 360/270 Z-BLH5337 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
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