The E-flite UMX Turbo Timber is a fantastic ultra-micro bush plane, offering impressive STOL capabilities and a durable build for adventurous pilots.
This model blends the versatility of the original Timber with enhanced performance, making it ideal for both beginners and experienced RC enthusiasts seeking fun.
What is the E-flite UMX Turbo Timber?
The E-flite UMX Turbo Timber is a Bind-N-Fly (BNF) basic ultra-micro bush plane designed to deliver exceptional Short Takeoff and Landing (STOL) performance. It’s a scaled-down version of the popular E-flite Timber, retaining many of the features that make the larger model so beloved, but in a convenient, portable size.
This aircraft is perfect for pilots looking for a capable and fun-to-fly model that can handle a variety of terrains. Its durable construction, combined with its forgiving flight characteristics, makes it an excellent choice for both beginners and experienced RC enthusiasts. The UMX Turbo Timber is equipped with features like functional flaps and leading-edge slats, enhancing its STOL capabilities and allowing for slow, controlled flights. It’s designed to be used with a compatible DSMX or DSM2 receiver, and requires a 2S LiPo battery for power.
Key Features and Specifications
Key features of the E-flite UMX Turbo Timber include its durable, Z-Foam™ construction, providing excellent impact resistance for bush flying. Functional flaps and leading-edge slats significantly enhance STOL performance, enabling incredibly slow and controlled landings. It boasts a powerful brushless motor and a 6×4 propeller for ample thrust.
Specifications include a wingspan of 14.6 inches (371mm), an overall length of 18.3 inches (465mm), and a flying weight of approximately 6.5-7.0 oz (184-198g). It requires a 2S 750mAh LiPo battery (sold separately) and is compatible with DSMX/DSM2 receivers. Control surfaces are operated by two micro servos. The UMX Turbo Timber offers a blend of performance, durability, and convenience, making it a standout ultra-micro bush plane.
Unboxing and Initial Inspection
Carefully open the box and verify all listed components are present, checking for any shipping damage to the airframe or included accessories.
Contents of the Box
Upon opening your E-flite UMX Turbo Timber, you should find several key components carefully packaged. These typically include the fully assembled airframe, boasting realistic detailing and durable construction. A separate bag contains the propeller, ensuring optimal thrust and performance. You’ll also discover the receiver with installed servos, pre-configured for seamless integration with your compatible transmitter.
Additionally, the box should house the 1S 2S LiPo battery, providing the power needed for exhilarating flights. A convenient USB charging cable is included for easy battery replenishment. Don’t forget the landing gear struts, designed for stable takeoffs and landings on various surfaces. Finally, a product manual detailing setup, flight instructions, and safety precautions is essential for a successful experience. Verify all items are present before proceeding to the next step.
Checking for Damage
Before embarking on assembly, a thorough inspection for shipping damage is crucial. Carefully examine the airframe for any cracks, dents, or separation at the wing joints or fuselage; Pay close attention to the propeller, ensuring it’s free from chips or bends that could affect flight performance. Inspect the landing gear struts for any signs of breakage or misalignment.
Verify the receiver and servos are securely mounted and haven’t been dislodged during transit. Check all wiring connections for continuity and proper seating. The battery should be visually inspected for swelling or damage to the cells. If any damage is detected, immediately contact Horizon Hobby’s customer support for assistance. Do not attempt to fly a damaged aircraft, as this could lead to a crash and further complications.
Assembly
Assembling your UMX Turbo Timber involves carefully attaching the wings, tail surfaces, and landing gear, ensuring secure connections and proper alignment for optimal flight.
Wing Assembly
Begin by carefully unpacking the wings and inspecting them for any shipping damage. The UMX Turbo Timber utilizes a straightforward wing mounting system, typically involving locating the wing halves into the designated slots within the fuselage. Ensure the wings are fully seated and aligned correctly before proceeding.
Secure the wings using the provided screws, tightening them gently but firmly. Avoid over-tightening, as this could potentially damage the foam. Double-check that both wing halves are level and symmetrical. Pay close attention to the aileron control surfaces, verifying they move freely and in the correct direction when the transmitter sticks are manipulated.
Connect the aileron servo extensions to the corresponding connectors in the wing root. Ensure a secure connection to prevent any loss of control during flight. Finally, visually inspect the entire wing assembly to confirm all screws are tightened and all connections are secure before moving on to the next assembly step.
Tail Assembly
Start by identifying the horizontal and vertical stabilizer components. Carefully inspect them for any damage sustained during shipping. The tail assembly typically involves sliding the horizontal stabilizer into the designated slots on the fuselage, ensuring a snug and secure fit. Use the provided screws to firmly attach the stabilizer, avoiding excessive tightening to prevent foam damage.
Next, attach the vertical stabilizer, again ensuring proper alignment and a secure fit within the fuselage slots. Secure it with the provided screws, checking for levelness and symmetry. Connect the rudder servo extension to the appropriate connector, verifying smooth and correct movement when the transmitter stick is moved.
Double-check all connections and screws, ensuring everything is firmly in place. A properly assembled tail section is crucial for stable and predictable flight performance.
Landing Gear Installation
Begin by identifying the main landing gear struts and the tail wheel assembly. The main gear typically attaches to the fuselage using screws, often with pre-installed mounting plates. Carefully align the struts with the mounting points, ensuring they are oriented correctly for proper ground clearance and stability.
Secure the main gear struts with the provided screws, tightening them firmly but avoiding over-tightening, which could damage the foam. Next, install the tail wheel assembly, connecting it to the tail section with the appropriate hardware. Verify smooth and free rotation of the tail wheel for steering control.
Double-check all connections and screws, ensuring the landing gear is securely attached and doesn’t interfere with control surfaces. A properly installed landing gear is vital for safe takeoffs and landings.
Transmitter Setup
Proper transmitter setup is crucial for controlling your UMX Turbo Timber effectively. Binding and calibrating controls ensures optimal performance and a successful flying experience.
Binding the Receiver
Binding establishes communication between your transmitter and the UMX Turbo Timber’s receiver. Begin by powering on your transmitter, ensuring it’s in bind mode – consult your transmitter’s manual for specific instructions. Next, connect the battery to the aircraft while holding the bind button on the receiver; the red light will typically flash, indicating it’s ready to bind.
Release the bind button, and the receiver should begin searching for your transmitter. Once a connection is established, the red light will usually become solid, signifying a successful bind. If binding fails, repeat the process, verifying both the transmitter and receiver are in bind mode. A properly bound receiver is essential for responsive control and a safe flight. Double-check the binding process before each flying session.
Control Surface Calibration
Accurate control surface calibration is crucial for precise handling of the UMX Turbo Timber. After binding, verify that each control surface – ailerons, elevator, and rudder – moves in the correct direction when you input commands on your transmitter. Use the transmitter’s menu to reverse the direction of any surface that moves incorrectly.
Adjust the travel volume (the amount of movement) for each surface to ensure full, yet not excessive, deflection. Excessive deflection can lead to instability. Center the trim knobs on your transmitter and then use the receiver’s sub-trim adjustments, if available, to fine-tune the neutral position of each surface. Proper calibration ensures responsive and predictable control during flight, enhancing both safety and enjoyment.
Power System
The UMX Turbo Timber utilizes a 2S LiPo battery for power, providing ample flight time and performance. Always charge batteries safely and correctly.
Battery Installation and Charging
Installing the battery is straightforward; locate the battery compartment, typically secured with a Velcro strap. Ensure the battery is fully seated and the strap is snug, preventing movement during flight. Always disconnect the battery when not in use to avoid accidental power drain.
Charging the LiPo battery requires a compatible LiPo balance charger. Connect the battery to the charger using the appropriate adapter, and select the correct charge rate – typically 1C is recommended. Never leave a charging battery unattended, and always charge it on a fire-resistant surface. Monitor the charging process closely, and disconnect the battery immediately upon completion. Using a dedicated LiPo charging bag is highly recommended for safety. Proper battery maintenance extends its lifespan and ensures optimal performance.
ESC Calibration
Calibrating the Electronic Speed Controller (ESC) ensures the throttle range is correctly matched to your transmitter. Begin with the transmitter powered on and the throttle at its lowest setting. Connect the battery to the aircraft. The ESC will initiate a calibration sequence, often indicated by beeping sounds or flashing lights.
Follow the specific procedure outlined in the manual – typically, moving the throttle to its maximum position during the calibration sequence is required. The ESC will then store the throttle endpoints. Verify the calibration by slowly increasing the throttle; the motor should respond smoothly and proportionally. If the motor doesn’t respond correctly, repeat the calibration process. Proper ESC calibration is crucial for safe and predictable flight performance.
Flight Preparation
Before each flight, meticulously inspect all control surfaces, ensure secure battery connection, and confirm the transmitter has full range for safe operation.
Pre-Flight Checks
Prior to every flight, a thorough pre-flight check is crucial for ensuring a safe and enjoyable experience with your E-flite UMX Turbo Timber. Begin by visually inspecting the entire aircraft for any signs of damage, including cracks in the foam, loose screws, or damaged control surfaces. Carefully examine the wing attachment, ensuring it’s securely fastened to the fuselage.
Next, verify the control surface movements by gently manipulating the sticks on your transmitter. Confirm that the ailerons, elevator, and rudder respond correctly and have sufficient range of motion. Check the propeller for any nicks or cracks, and ensure it’s firmly attached to the motor shaft.
Finally, connect a fully charged battery and power on both the transmitter and receiver. Confirm proper binding and check the control surface directions one last time. A diligent pre-flight routine significantly reduces the risk of unexpected issues during flight.
Range Testing
Before your first flight, and periodically thereafter, performing a range test is essential to verify reliable communication between your transmitter and the E-flite UMX Turbo Timber. With the aircraft secured on the ground, power on both the transmitter and receiver. Walk away from the aircraft, maintaining antenna orientation, while observing the receiver’s signal strength indicator.
Continue walking until the signal begins to weaken or is lost. A safe range should extend to at least 100 feet, but ideally further, depending on your flying environment. If the range is insufficient, check antenna connections, ensure batteries are fully charged, and consider potential sources of interference.
Remember that obstacles like trees and buildings can significantly reduce range. A successful range test provides confidence in the reliability of your radio link, contributing to a safer flying experience.
Basic Flight Maneuvers
Mastering takeoff and landing is crucial for enjoyable flights with the UMX Turbo Timber, alongside understanding basic control inputs for stable and controlled maneuvers.
Takeoff and Landing
Takeoff with the UMX Turbo Timber is surprisingly straightforward, even from short or uneven surfaces. Apply smooth, gradual throttle, and gently guide the aircraft into the wind. A slight upward elevator input will help it lift off smoothly; avoid excessive control inputs, as this micro plane responds quickly.
For landing, approach into the wind at a moderate speed. Reduce throttle smoothly as you descend, maintaining a gentle flare just before touchdown. The Timber’s STOL capabilities allow for very short landings, but practice is key to mastering soft and controlled touchdowns. Be prepared to use aileron to correct for any crosswind conditions. Remember to cut the throttle completely once the wheels touch down, and let the plane roll to a stop.
Consistent practice in calm wind conditions will build your confidence and skill, enabling you to confidently handle various takeoff and landing scenarios.
Basic Control Inputs
The UMX Turbo Timber’s control scheme is fairly standard for fixed-wing aircraft. Ailerons, controlled by the right stick, manage roll, allowing you to bank and turn. Elevator, controlled by the up/down movement of the right stick, controls pitch, affecting climb and descent. Rudder, controlled by the left stick, manages yaw, assisting with coordinated turns and counteracting adverse yaw.
Throttle control is typically assigned to the left stick’s up/down movement, governing engine power and airspeed. Utilize small, deliberate inputs for precise control. The Timber is quite responsive, so avoid large, jerky movements. Experiment with different control rates in your transmitter to find settings that suit your skill level and flying style.
Practice smooth, coordinated inputs to achieve stable and controlled flight.
Troubleshooting Common Issues
If your touchpad stops working, ensure drivers are current; reinstalling them often resolves the problem, alongside checking settings for activation.
Touchpad Issues and Driver Updates
Experiencing touchpad malfunctions? A common culprit is outdated or corrupted drivers. Begin by accessing Device Manager – search for it in the Windows start menu. Locate your touchpad under “Mice and other pointing devices,” right-click, and select “Update driver.” Choose the “Search automatically for drivers” option.
If this fails, try “Uninstall device,” then restart your computer; Windows will often reinstall the driver automatically. Alternatively, visit the manufacturer’s website (e.g., Synaptics, Elan) to download and install the latest drivers specifically for your laptop model and operating system.
Ensure the touchpad isn’t accidentally disabled via a function key (often labeled with a touchpad icon) or within Windows settings (Settings > Devices > Touchpad). Confirm the touchpad is turned “On” and adjust sensitivity settings as needed. If problems persist after driver updates and setting checks, consider a system restore to a point before the issue began.
Touchscreen Problems and Calibration
If your touchscreen isn’t responding, initial troubleshooting involves verifying it’s enabled in Device Manager (search for it in Windows). Look under “Human Interface Devices” for your touchscreen; ensure it isn’t disabled. Next, check Windows Settings (Devices > Touchpad) to confirm touchscreen input is active.
Calibration is crucial for accuracy. Access the Tablet PC Settings (search for “calibrate the screen for pen or touch input” in Windows). Follow the on-screen instructions to precisely align the touchscreen with your cursor.
Outdated drivers can also cause issues; update them through Device Manager or the manufacturer’s website. If multi-touch gestures aren’t working, ensure they’re enabled in Settings. A system restart often resolves temporary glitches. For persistent problems, a system restore to a previous working state might be necessary.