The Graupner HoTT Hornet 250 (No. 16540.RTF) is a remote-controlled tricopter designed for versatile flight. This Ready-To-Fly (RTF) package includes the tricopter, an mz-12 HoTT transmitter, and various essential components.
Function Description:
The HoTT Hornet 250 is a battery-powered, radio-controlled tricopter primarily intended for recreational flight and FPV (First Person View) piloting. It features a HoTT Gyro receiver for stable flight and can be operated in two flight modes: Attitude mode and Rate mode. Attitude mode provides a maximal angle of about 50° at 100% stick movement, making it suitable for beginners. Rate mode allows for aerobatic maneuvers like rolls and loopings by determining the rate of rotation without angle limits. The tricopter also includes an auto-flip function, activated via switch S2, which allows for easy execution of flips in Attitude mode. LED illumination in the head, controlled by switch S6, provides visual feedback and customization. The integrated video transmitter and FPV camera enable real-time video transmission to a compatible video goggle or monitor, enhancing the immersive flight experience. The mz-12 HoTT transmitter, included in the package, is pre-configured for tricopter operation and features motor stop functionality via switch 1 to prevent accidental starts.
Important Technical Specifications:
Tricopter (HoTT Hornet 250):
- Axle distance: 25 cm
- Chassis height: 9 cm
- Folding arms: Yes, for transport
- Weight: 395 g
Brushless Motor (ULTRA 2806 2300KV):
- Turns/Volt: 2300KV
- Diameter: 28mm
- Input voltage: 2-4S LiPo
- Shaft diameter: 5mm
- Rotation: Clockwise and counter-clockwise
Speed Controller (Ultra Control 20A Race):
- Input voltage: 2-4S LiPo
- Dimensions: 22x12x5 mm
- Weight: 7 grams
- Maximal current: 20A
- BEC: Without
Voltage Module + SBEC:
- Operational voltage: 7.4 to 22.2 V
- BEC voltage: 4.5 to 8V
- Dimensions: 35x17x7 mm
- Weight: 8 grams
Receiver (GR-18C):
- Operating temperature: -15...+70 °C
- Antennas: 2 x wires 145 mm
- Total weight approx.: 14 g
- Frequency: 2400 ... 2483.5 MHz
- Range approx.: 4000 m
- Dimensions ca.: 46 x 21 x 14 mm
- Modulation: 2.4 GHz FHSS
- Current consumption: 70 mA
- Operating voltage: (2.5) 3.6 ... 8.4 V
Propellers (1348.6x3 R+L):
- Ø/Pitch: 15/7.5 cm (6/3 inches)
- Weight ca.: 4.0 g
- Color: Red or yellow
Video Transmitter (No. S8460):
- Operating voltage DC (V): 7 - 22.2 (3S LiPo)
- Width [mm]: 24
- Height [mm]: 12
- Length [mm]: 35
- Frequency GHz: 5.8
- Channels: 22 (factory set to channel 01)
- Output mW: 25
- Weight [g]: 12
Usage Features:
- Pre-bound System: The transmitter and receiver are factory-bound, simplifying initial setup.
- Battery Charging: The included balancer charger supports 3S LiPo batteries. LEDs indicate charging status (red for charging, green for complete).
- Propeller Installation: Propellers are clearly marked (R/L) and must be installed according to the provided diagram to ensure correct rotation and flight stability. Always unplug the battery before handling propellers.
- Gyro Initialization: The gyro in the receiver initializes automatically upon power-up, requiring the model to remain still for approximately 3 seconds until motor beeps confirm calibration completion.
- Flight Modes: Switch 3 on the mz-12 transmitter allows selection between Attitude mode (stable, for beginners) and Rate mode (aerobatic).
- Motor Stop Function: Switch 1 on the transmitter activates/deactivates motors, preventing accidental starts.
- FPV System: The integrated FPV camera and video transmitter provide real-time video feed. The video transmitter channel can be changed via micro-switches on its circuit board.
- Voltage Alarms: The included Voltage module with SBEC allows setting up to three different voltage alarms, adjustable in 0.1 V steps, to monitor battery status during flight.
- Firmware Updates: Receiver firmware can be updated via a PC running Windows XP, Vista, or 7, using a USB interface (No. 7168.6) and adapter lead (No. 7168.6A or 7168.S). The necessary software and files are available on the Graupner website.
Maintenance Features:
- Cleaning: Clean the tricopter, battery, and charger with a spirit-free cloth. Avoid chemical cleaners, solvents, petrol, or alcohol.
- Damage Inspection: Regularly check the HoTT Hornet for damages to housings and cables, especially after crashes. Damaged or wet electronic components should not be reused.
- Storage: LiPo batteries should be stored at approximately 3.8V per cell. If the voltage drops below 3V, immediate charging is required. For transport and long-term storage, LiPo batteries should be placed in a safety case.
- Software Updates: Keep all HoTT components updated with the current software version, available on www.graupner.de.
- Environmental Protection: The product and its components (including batteries) should be disposed of at appropriate collection points for recycling, not with household waste.
Need help?
General
To Next Page
