The H-KING Radjet 800 is a radio-controlled flying model designed for intermediate to experienced pilots, offering extreme speed and precise aerobatics. It comes in a "Plug and Fly" (PNF) format, meaning the motor, ESC, and servos are pre-installed, and the decals are pre-applied. Users only need to add their own radio system (transmitter and receiver) and flight battery.
Function Description:
The Radjet 800 is a high-performance RC jet designed for exhilarating flight experiences. Its lightweight construction and potent brushless power system allow for massive loops and precise aerobatic maneuvers. While capable of high speeds, it can also be throttled back for a more relaxed, "pussycat" flying style or even gliding. The model features elevon mixing for combined aileron and elevator control, which is common in flying wing designs.
Important Technical Specifications:
- Wingspan: 800mm
- Length: 600mm
- Empty Weight: 370 grams
- Motor: 2010 1800KV brushless outrunner (included)
- ESC: 20amp brushless with BEC (included)
- Propeller: 6 x 4 (2 included)
- Servos: 2 x 9g metal geared digital servos (included)
- Recommended Battery (not supplied): 3S (11.1V) 1300-1600mAh 30C LiPo or similar
- Required Radio System: 2.4GHz 4-channel or more transmitter and receiver with programmable elevon mixing.
- Construction Material: Tough EPO foam
- Center of Gravity (C of G): 383mm from the nose (recommended for initial flights)
Usage Features:
- Plug and Fly (PNF) Format: Simplifies setup as the motor, ESC, and servos are pre-installed. Users only need to supply their radio system and battery.
- Elevon Mixing: The model utilizes elevons for control, requiring a transmitter with programmable elevon mixing. The manual provides guidance on setting up the correct servo directions and throws.
- Adjustable Flight Characteristics: The recommended C of G provides a balanced flight. Moving the C of G forward results in smoother flying, while a more rearward C of G makes for a livelier flight envelope, allowing pilots to customize the flying style.
- Battery Compartment: A roomy battery compartment allows for precise positioning of the battery to achieve the perfect C of G.
- Easy Orientation: Bright colors are used for easy orientation of the model in the air, which is crucial for high-speed aircraft.
- ESC Setup: The manual provides clear instructions for setting up the ESC, including removing the propeller for safety during the initial setup phase.
- First Flight Recommendations: Initial throws for ailerons (7-8mm up and down with 20-30% exponential) and elevator (10mm up and down with 20-30% exponential) are provided as starting points, which can be tweaked after initial flights.
Maintenance Features:
- Durable Construction: Made from tough EPO foam, which is known for its resilience and ability to withstand minor crashes, making it easier to repair.
- Plastic Underside Skid: A plastic skid runs the length of the underside of the fuselage, protecting the Radjet from typical tears and gouges during landings and ground handling.
- Effective Cooling: The design incorporates effective cooling for the ESC and LiPo battery, which is important for maintaining component longevity, especially during high-performance flights.
- Digital Metal Gear Servos: Pre-installed digital metal gear servos offer durability and precise control, reducing the need for frequent adjustments or replacements compared to standard plastic gear servos.
- Easy Assembly: The model is designed for easy assembly, primarily involving gluing the wings, vertical stabilizers, and control horns, and connecting pushrods.
- Spare Propeller: Includes two propellers, providing a spare in case of damage to the first.
Safety Precautions:
The manual emphasizes several safety precautions:
- Always read the instruction manual fully before operation.
- This is a sophisticated hobby product, NOT a toy, and requires caution, common sense, and basic mechanical ability.
- Operate in a suitably open outdoor space, away from crowds, people, buildings, trees, power lines, roads, and airports, to avoid interference and potential loss of control.
- Exercise great caution with the recommended battery and follow supplier safety notes.
- Never power up the model in a confined space.
- Always keep the propeller clear of obstructions, clothing, and body parts.
- Children must be accompanied by an adult.
- Not suitable for children under the age of 14.
The H-KING Radjet 800 promises a thrilling and reliable flying experience for pilots looking for a fast and agile RC jet with straightforward assembly and robust features.
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