Overview
The SPM Flight Controller Receiver/ESC: UMX Gee Bee R-2 (P-SPM-1047) is a highly integrated flight control solution designed specifically for ultra-micro RC aircraft enthusiasts in the UK and beyond. This combined receiver and electronic speed controller represents Spektrum's commitment to delivering compact, high-performance electronics for small-scale aerial platforms. Whether you're an experienced RC pilot looking to upgrade your ultra-micro aircraft or a newcomer discovering the world of ready-to-fly RC aeroplanes, this component offers the reliability and precision that Spektrum is recognised for across the hobby.
Engineered for the UMX Gee Bee R-2, this flight controller combines critical flight stabilisation and motor speed management into a single, compact unit. The integrated design eliminates excess wiring and weight whilst maintaining the performance standards expected from a premium RC electronics manufacturer. For UK-based RC enthusiasts seeking dependable, authorised Spektrum components, this flight controller delivers the control authority and responsiveness needed for smooth, predictable flight characteristics.
This is an essential component for anyone building or maintaining a UMX Gee Bee R-2 ultra-micro RC aeroplane. The sophisticated engineering packed into this tiny package makes it suitable for both experienced modellers looking for replacement parts and builders assembling high-quality micro aircraft from scratch.
Key Features
- Integrated Flight Controller and ESC Design — By combining the flight receiver and electronic speed controller into a single unit, Spektrum has eliminated unnecessary complexity and weight, allowing ultra-micro aircraft to achieve optimal performance with minimal power loss through interconnecting cables.
- 2S/3S LiPo Battery Compatibility — This flight controller accepts both 2-cell and 3-cell lithium polymer batteries, giving you flexibility in choosing your power source based on desired flight characteristics and flight duration requirements for your UMX Gee Bee R-2.
- Optimised for Ultra-Micro Aircraft — Purpose-built for the UMX Gee Bee R-2 platform, every aspect of this flight controller has been engineered with ultra-micro scale aircraft in mind, ensuring perfect integration and reliable operation in this specific airframe.
- Spektrum Radio System Integration — As part of the Spektrum ecosystem, this receiver integrates seamlessly with Spektrum radio transmitters, ensuring robust wireless control with the brand's recognised DSMX digital spread spectrum protocol for interference-free operation.
- Professional-Grade Construction — This is genuine Spektrum electronics with the build quality and reliability standards you expect from an authorised RC hobby retailer, providing confidence in long-term performance and durability.
Technical Performance
The SPM Flight Controller Receiver/ESC for the UMX Gee Bee R-2 represents cutting-edge miniaturisation in RC electronics. Supporting 2S and 3S LiPo battery configurations, this integrated unit handles the demanding requirements of ultra-micro flight control whilst maintaining the precise throttle management needed for consistent motor performance. The electronic speed controller built into this unit is calibrated to work reliably across the power range typical for ultra-micro brushless motors, delivering smooth acceleration and stable power delivery. The flight receiver incorporates Spektrum's proven DSMX digital protocol technology, providing secure, lag-free control input transmission from your transmitter to the aircraft. The compact form factor means this unit must be positioned carefully within the tight confines of the UMX Gee Bee R-2 fuselage, but Spektrum's engineering ensures thermal management remains effective even in these constrained spaces. The integrated design minimises the number of external connections required, reducing potential failure points and parasitic weight that would otherwise compromise the aircraft's performance envelope. For UK modellers and RC enthusiasts seeking reliable, authorised electronics that will keep their ultra-micro aircraft flying smoothly and responsively, this flight controller delivers the precision and durability expected from premium RC hobby equipment.
What's in the Box
- SPM Flight Controller Receiver/ESC unit (integrated receiver and speed controller)
- Installation documentation and mounting guidance specific to the UMX Gee Bee R-2
What You Need to Complete
- Spektrum DSMX transmitter (required for control input and aircraft binding)
- 2S or 3S LiPo battery pack (compatible with your aircraft's weight and performance requirements)
- Ultra-micro brushless motor (must be matched to the ESC current rating and your aircraft specification)
- Connectors and battery connector plugs (to match your chosen battery pack configuration)
- Receiver antenna (may be included but verify with your specific unit)
Frequently Asked Questions
- Is the SPM Flight Controller Receiver/ESC suitable for ultra-micro RC aircraft beginners? — Yes, this unit is designed specifically for the UMX Gee Bee R-2, making it an appropriate choice for anyone building or maintaining this particular aircraft. Beginners should ensure they have experience with LiPo battery handling and basic RC assembly before installing this component, as working with ultra-micro aircraft requires precision and care.
- What battery voltage does this flight controller accept? — The SPM Flight Controller Receiver/ESC is compatible with both 2S LiPo (7.4V) and 3S LiPo (11.1V) battery configurations, giving you flexibility in selecting your power source based on desired performance characteristics and flight duration for your UMX Gee Bee R-2.
- Is this a receiver only or does it include the speed controller? — This is an integrated unit that combines both the flight receiver and the electronic speed controller in a single compact package, eliminating the need for separate components and reducing overall weight and complexity in your ultra-micro aircraft.
- What Spektrum transmitter will work with this receiver? — This receiver uses Spektrum's DSMX digital protocol, meaning it is compatible with any current-generation Spektrum DSMX transmitter. You will need to bind the receiver to your transmitter following Spektrum's standard binding procedure before your first flight.
- Can I use this flight controller in aircraft other than the UMX Gee Bee R-2? — Whilst this unit is specifically engineered for the UMX Gee Bee R-2, it may be possible to install it in similarly-sized ultra-micro aircraft if physical space permits. However, Spektrum recommends using manufacturer-specified components for optimal performance and safety.
- What is the difference between this integrated receiver/ESC and separate components? — By combining both functions into a single unit, Spektrum eliminates interconnecting wiring, reduces weight, and simplifies installation, all critical advantages in ultra-micro aircraft where every gram matters and internal space is extremely limited.
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 SPM Flight Controller Receiver/ESC: UMX Gee Bee R-2, 2S/3S P-SPM-1047 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.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
