Arrows Hobby 50mm T-33 User manual

Operating ManualOperating Manual
50mm T-3350mm T-33
www.arrowshobby.com

WARNING: This manual contains important information that will help you maintain and operate your model aircraft in
a reliable and safe manner. Please read the instructions and warnings carefully prior to assembly, setup or use.
As this model aircraft is a sophisticated hobby product, it must be flown with safety and common sense in mind, failure
in doing so may result in injury or property damage. This product is not intended for use by children without direct adult
supervision.
Safety precautions and Warnings
As the user, you are solely responsible for the safe operation and maintenance of this product. Follow the directions
and warnings listed in this manual, as well as that of supporting equipment (chargers, batteries etc.) and always use
common sense.
This is not a toy. Not for children under 14 years of age.
Always operate your model in an open area away from buildings, cars, traffic or people. Never operate near
people-especially children who can wander unpredictably. Never operate in populated areas for any reason, where
injury or damage can occur.
Always keep a safe distance in all directions around your model to avoid collisions or injury. This model is controlled
by a radio signal subject to interference from many sources outside your control. Interference can cause momentary
loss of control.
Never catch the aircraft while it is in flight, the structure of the fuselage was not designed and protected for this
purpose.
Never operate your model in bad weather, including in excessively windy or precipitating conditions.
Never operate your model with low transmitter batteries.
Keep your throttle quadrant in its lowest position prior and after every flight. Use the throttle cut function if able.
Always use fully charged batteries and move batteries before disassembly.
Avoid water exposure to all equipment not specifically designed and protected for this purpose.
Avoid cleaning this product with chemicals.
Never lick or place any part of your model in your mouth as it could cause serious injury or even death.
Keep all chemicals, small parts and anything electrical out of the reach of children.
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Table of contents Specifications
Introduction
Specifications
Kit contents
Model Assembly
Battery installation
Receiver diagram
Preflight check
Control horn and servo arm settings
Center of gravity(CG)
Before flying the model
Flying course
Trouble shooting
Spare parts list content
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Introduction
Wingspan
Overall length
Flying weight
Motor size
Wing load
Wing area
ESC
Servo
Recommended battery
Kit contents
Before assembly, please inspect the contents of the kit. The photo below details the contents of the kit with labels. If any
parts are missing or defective, please identify the name or part number (refer to the spare parts list near the end of the
manual) then contact your local shop.
Features：
Simple is beautiful. Without any landing gear to deal with, the Arrows Hobby 50mm T-33 is lightweight and streamlined – perfect for
those with a tight flying field or budget!
To minimize drag, increase flight time and guarantee precision flight characteristics of the T-33, Arrows Hobby designed a rigid sin-
gle-piece wing structure and horizontal stabilizer. The lightweight airframe and exceptional aerodynamics give the Arrows Hobby
50mm T-33 excellent low speed handling and flight time – uncharacteristic for small EDF jets of its size.
Power comes courtesy of a 50mm 11-blade fan unit, 2627-4500KV brushless motor and a high performance 30A ESC (with 3A
BEC)- giving unparalleled speed and sound.
In addition, Arrows Hobby takes the details a step further, with a steering gear protective shell on the bottom of the wings to facilitate
belly landings. There are distinctive fuel tanks on the wingtips, and detailed decals to enhance the scale details.
How do you get pinnacle performance on a small budget? Let Arrows Hobby work its magic with the 50mm T-33!
• Powerful 2627-4500KV brushless motor.
• Highly efficient 50mm 11-bladed EDF unit.
• Reliable, high-performance 30A ESC with 3A BEC.
• Simple lightweight design for extended flight times.
• Highly attractive trim scheme for maximum visibility in the air.
• New anti-corrosive water-based paint for better color and gloss.
• PNP with Vector system - allowing three flying modes.
• Uncompromised performance despite being budget friendly!
800.5mm(31.5in)
750mm(29.5in)
~ 495g
Brushless2627-KV4500
44.2g/dm²
11.2dm²
30A
9g Servo x 3
11.1V 1300mAh 30C
A.
D. E.
B.
C.
A: Fuselage B: Main wing C: Horizontal stabilizer D: Auxiliary fuel tanks E: Screw set（KA2.0x12*4）

Model assembly
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Main wing installation
2.Attach the wing to the fuselage using the included
screws.
Note: Do not overtighten the screws.
KA2.0*12mm
Horizontal stabilizer installation
2. Install the pushrod to the control horn on the
horizontal stabilizer as shown.
泡沫胶示意图
1. Install the wing onto the fuselage slot, with Y-har-
ness going through the hole as shown.
Note: Do not squeeze the wire leads.
1. Install the horizontal stabilizer to the rear of fuse-
lage using foam safe glue.

Model assembly
05
Auxiliary fuel tank installation
1. Install the fuel tank onto the wing slots using foam
safe glue as shown. Note: pay attention to left and
right distinction. Required Adhesives:
Foam Safe Medium CA

Receiver diagram
Preflight check
Important ESC and model information
Flap Spare
Flap
Spare
6
The cables from the servo connector board should be
connected to your receiver in the order shown. Note that the
LEDs can be powered by any spare channel on the receiver.
Tuck the wire leads into the recessed cavity towards the
rear of the battery hatch.
Battery installation
1. Remove the battery hatch.
2. Remove the hook and loop tape from the fuselage.
Apply the looped surface to the battery.
3. Install the battery into the fuselage- securing it with
the preinstalled battery straps.
Note: The weight of each battery may vary due to
different manufacturing techniques. Move the battery
fore or aft to achieve the optimal center of gravity.
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1. The ESC included with the model has a safe start. If the motor battery is connected to the ESC and the throttle stick is not in the low
throttle or off position, the motor will not start until the throttle stick is moved to the low throttle or off position. Once the throttle stick is
moved to the low throttle or off position, the motor will emit a series of beeps. Several beeps with the same tune means the ESC has
detected the cells of the battery. The count of the beeps equals the cells of the battery. The motor is now armed and will start when the
throttle is moved.
2. The motor and ESC come pre-connected and the motor rotation should be correct. If for any reason the motor is rotating in the wrong
direction, simply reverse two of the three motor wires to change the direction of rotation.
3. The motor has an optional brake setting. The ESC comes with brake switched off and we recommend that the model be flown with
the brake off. However, the brake could be accidentally switched on if the motor battery is connected to the ESC while the throttle stick
is set at full throttle. To switch the brake off, move the throttle stick to full throttle and plug in the motor battery. The motor will beep one
time. Move the throttle stick to low throttle or the off position. The motor is ready to run and the brake will be switched off.
4. Battery Selection and Installation. We recommend the
11.1V 1300mAh 30C Li-Po battery. If using another battery, the battery must
be at least a
11.1V 1300mAh 30C battery. Your battery should be approximately the same capacity, dimension and weight as the 11.1V
1300mAh 30C
Li-Po battery to fit the fuselage without changing the center of gravity significantly.

The suggested control throw setting for the 50mm T-33 are as follows (dual rate setting):
Tips: The maiden flight should always be flown
using low rates, fly the aircraft until you are famil-
iar with its characteristics prior to trying high
rates. Make sure the aircraft is flying at a decent
altitude and speed prior to using high rates, as
the aircraft will be sensitive to control inputs with
the larger control surface movements.
Preflight check
Control horn and servo arm settings
transmitter and model setup
Control throws
After assembly and prior to your first flight, make sure all control surfaces respond correctly to your transmitter by refer-
ring to the diagram below.
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10mm up / down
Elevator
Aileron 8mm up / down
8mm up / down10mm up / down
More control throw
Less control throw
Horns Arms
ElevatorAilerons
1. The table shows the factory settings for the
control horns and servo arms. Fly the aircraft at the
factory settings before making changes.
2. After flying, you may choose to adjust the linkage
positions for the desired control response.

Always turn your transmitter on first. Install a fully charged battery in the battery bay, then connect it to the ESC. In this
process, make sure that the throttle cut functionality is on, and that the throttle stick is secured in its lowest position- other-
wise, the propeller/fan will engage and possibly cause bodily harm.
Note: Please refer to your transmitter manual that came with your radio control system to perform a ground
range check. If the controls are not working correctly or if anything seems wrong, do not fly the model until you
correct the problem. Make certain all the servo wires are securely connected to the receiver and the transmitter
batteries have a good connection.
Find a flying site clear of buildings, trees, power lines and other obstructions. Until you know how much area will be
required and have mastered flying your plane in confined spaces, choose a site which is at least the size of two to three
football fields - a flying field specifically for R/C planes is best. Never fly near people - especially children, who can
wander unpredictably.
A radio range check should be performed prior to the first flight of the day. This test may assist you in detecting electronic
problems that may lead to a loss of control- problems such as low transmitter batteries, defective or damaged radio com-
ponents or radio interference. This usually requires an assistant and should be done at the flying site.
Before flying the model
Finding the center of gravity
Find a suitable flying site
Performing a range check
Finding the correct center of gravity is critical in ensuring that the aircraft
performs in a stable and responsive manner. Please adjust the weight
distribution so the aircraft balances in the range stated on the diagram.
• Depending on the capacity and weight of your choosen flight
batteries, move the battery forward or backward to adjust the
center of gravity.
• If you cannot obtain the recommended CG by moving the battery to a
suitable location, you can also install a counterweight to achieve correct
CG. However, with the recommended battery size, a counterweight is not
required. We recommend flying without unnecessary counterweight.
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75mm-85mm

Flying course
Monitor your flight time
Monitor and limit your flight time using a timer (such as a stopwatch or on the transmitter, if available). As modern Lithium
Polymer batteries are not designed to discharge completely, when the battery runs low, the ESC will lower then completely
cut the power to the motors to protect the battery. Often (but not always) power can be briefly restored after the motor
cuts off by holding the throttle stick all the way down for a few seconds.To avoid an unexpected dead-stick landing on your
first flight,set your timer to a conservative 4 minutes. When your alarm sounds you should land right away.
Take off
Flying
Landing
Maintenance
Before flying the model
Point the aircraft into the wind while slowly applying power until the aircraft starts to track straight, use the rudder when
necessary. When the aircraft reaches takeoff speed, ease back on the elevator stick until the aircraft is climbing at a
constant rate without decelerating. Climbing at too steep of an angle at the relatively low speeds of a takeoff-climb may
result in an aerodynamic stall.
Always choose a wide-open space for flying your plane. It is ideal for you to fly at a sanctioned flying field. If you are not
flying at an approved site always avoid flying near houses, trees, wires and buildings. You should also be careful to avoid
flying in areas where there are many people, such as busy parks, schoolyards, or soccer fields. Consult laws and
ordinances before choosing a location to fly your aircraft. After takeoff, gain some altitude. Climb to a safe height before
trying technical manoeuvres.
Land the aircraft when you start to feel sluggish motor response. If using a transmitter with a timer, set the timer so you
have enough flight time to make several landing approaches.The model’s three point landing gear allows the model to land
on hard surfaces. Align model directly into the wind and fly down to the ground. Fly the airplane down to the ground using
1/4-1/3 throttle to keep enough energy for proper flare. Before the model touches down, always fully decrease the throttle
to avoid damaging the propeller or other components. The key to a great landing is to manage the power and elevator all
the way to the ground and set down lightly on the main landing gear. With some practice, you will be able to set the aircraft
gently on its main gear and hold it that way until the speed reduces enough where the nose wheel (tricycle landing gear
aircraft) or tail wheel (tail draggers) settles onto the ground.
Repairs to the foam should be made with foam safe adhesives such as hot glue, foam safe CA, and 5min epoxy. When
parts are not repairable, see the spare parts lst for ordering by item number.Always check to make sure all screws on the
aircraft are tightened. Pay special attention to make sure the spinner is firmly in place before every flight.
09

Problem Possible Cause Solution
Aircraft will not respond to
the throttle but responds to
other controls.
ESC is not armed.
Throttle channel is reversed.
Lower throttle stick and throttle trim to lowest
settings.
Reverse throttle channel on transmitter.
Excessive vibration or
propeller noise.
Damaged spinner, propeller,
motor or motor mount.
Loose propeller and spinner parts.
Propellor installed backwards.
Replace damaged parts.
Tighten parts for propeller adapter, propeller
and spinner.
Remove and install propeller correctly.
Reduced flight time or
aircraft underpowered.
Flight battery charge is low.
Propeller installed backward.
Flight battery damaged.
Completely recharge flight battery.
Replace flight battery and follow flight battery
instructions.
Control surfaces
unresponsive or sluggish.
Control surface, control horn,
linkage or servo damage.
Wire damaged or connections
loose.
Replace or repair damaged parts and adjust
controls.
Do a check of connections for loose wiring.
Controls reversed. Channels are reversed in the
transmitter.
Do the control direction test and adjust controls for
aircraft and transmitter.
Motor loses power
Motor power pulses then
motor loses power.
Damage to motor, or battery.
Loss of power to aircraft.
ESC uses default soft Low Voltage
Cutoff(LVC).
Do a check of batteries, transmitter, receiver, ESC,
motor and wiring for damage(replace as needed).
Land aircraft immediately and recharge flight battery.
Troubleshooting
Spare parts list
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AHAT101
AHAT102
AHAT103
AHAT104
AHAT105
AHAT106
AHAT107
AHAT108
AHAT109
AHAT110
AHAT111
AHAT112
AH9GP
AHKV4500
Fuselage
Mainwing set
Horizontal stabilizer
Canopy
Auxiliary fuel tank Set
Linkage rods
Linkage rods (arms) plastic cover
Cowl
Screw set
Decal set
Control arms
Ducted fan cover
9g servo positive
2627-KV4500 motor
30A ESC
50mm Ducted Fan
Integrated Gyro
AHESC30A-1
AH50MM11B
AHIG-T33

★作为用户，您对本产品的安全操作和维护负全部责任。请始终严格遵照产品指导说明及安全警告操作本产品及其相关
配置（例如遥控器、充电器、电池等）。
★本产品由无线电遥控器控制，在飞行过程中，可能会受到外界强信号源干扰而导致失控，甚至坠机，因此，在飞行过
程中务必始终与飞机保持一定的安全距离，避免意外碰撞、受伤。
★请勿随意暴露置放模型飞机的电子产品，尤其是电池，存放时请务必保证周围三米之内无易燃易爆物体。
★在任何情况下，都务必保证油门杆处于起始位、发射机处于通电状态时，才能连接模型飞机内部的动力电池。
★在任何情况下，都不要尝试用手去回收飞行中的模型飞机，必须要等模型飞机降落停稳以后，再进行回收。
★请勿在公路、人群、高压线密集区、机场附近及其它法律法规明确禁止飞行的场合飞行。
★请勿在雷雨、大风、大雪或者其它恶劣气象环境下飞行。
★请勿将相关化工类产品、零部件、电子部件等置于儿童可触及的范围。
★请勿将本产品尤其是未经特别设计和保护的电子件暴漏于潮湿的环境中，以免造成损坏。
★请勿将本品任意处置于口中，以免造成人身伤亡。
★请勿在发射机电池低电量的情况下操纵模型飞机。
★请勿在配件未充分冷却的情况下触碰或移动。
★请勿使用化学制剂擦拭清洁本产品。
★务必保证飞机在整个操作过程中始终在视线范围和遥控控制距离内。
★务必保证在拆卸飞机之前移除电池。
★务必保证所使用的电池是满电状态。
★务必保证所使用的所有线束完好无损。
警告
1. 在组装、调整及飞行前请务必认真阅读产品说明书以熟知产品的特性。请严格按照说明书提示进行飞机的组装、
调整及飞行。
2. 模型不是玩具，具有一定的危险性，操作者需要具备一定的飞行经验，初学者请在专业人士指导下操作。
3. 禁止十四岁以下儿童在任何情况下操作、飞行。
重要提示：
1. 开箱检查包装内物品是否有损坏或遗漏。
2. 通读此飞机说明书以及其相关配置说明书（如遥控器、电池和充电器）。
3. 确保遥控器和使用的电池都是满电状态（请严格遵从配件原厂家说明书）。
4. 遥控器设置（请严格遵从遥控器厂家的说明书）。
5. 严格遵从本说明书指导组装飞机，确保螺丝、卡扣、夹头、插销等紧固件全部安装到位，舵角摇臂连接可靠。（暂
不安装螺旋桨）。
6. 安装满电状态的电池，并通过挪动电池在电池舱里的前后位置，调整飞机重心（CG）至说明书推荐位置。
7. 通电测试确保所有的操纵钢丝活动自如。
8. 通电测试确保所有的舵面正确响应遥控器输入指令。
9. 根据所需调整舵面行程（首飞推荐使用出厂设置行程）。
10. 桨机安装螺旋桨，确保螺旋桨组件安装到位，且转动方向正确。
11. 寻找一个安全空旷远离建筑和人群的场地，根据场地实际情况，做具体飞行计划。
飞行前准备
11

特征：
没有收放，没有起落架，手抛起飞，腹部着陆。Arrows Hobby 总是愿意不拘一格，给大家带来不一样的体验和不一样的航程。
Arrows Hobby 50mmT-33 整机的机翼（主翼和平尾）采用一体化设计，在精准动作的同时，减少空阻，实现休闲机特有的低
速操控性和超长滞空。PNP 版本配备高效率的 11 叶涵道桨叶、动力充足的 2627-KV4500 电机、高性能 30A 电调（内置 3A 开关 BEC），
实现涵道机特有的速度和声浪。
此外，Arrows Hobby 在细节方面“更上一层楼”，机翼底部的舵机保护壳有效给腹部着陆保驾护航。机翼副油箱、细节贴纸等
丰富了飞机的像真度。
如何在合理预算内感受两种飞行体验，Arrows Hobby 50mmT-33 开盒答案即现。
飞行前准备
飞机简介
目录
产品包装清单
产品基本参数
组装过程
电池安装
接收机连接示意图
重心
重要产品相关信息
电调说明
遥控器设置
舵面测试
舵角和舵机摇臂安装
舵面行程
故障检修指导
配件列表
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12
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15
15
16
16
16
16
17
18
18
19
19
翼展
机身长
飞行重量
电机
翼载荷
翼面积
电调
舵机
推荐电池
800.5mm(31.5in)
750mm(29.5in)
~ 495g
无刷 2627-KV4500
44.2g/dm²
11.2dm²
30A
9g Servo x 3
11.1V 1300mAh 30C
产品基本参数
目录
飞机简介
注意：此处各项参数，均是使用本公司配件测试得
出，如果使用他厂配件，会有所差异。使用他厂配
件时所产生的问题，我司将无法给予技术支持。
产品包装清单
A: 机身 B: 主翼 C: 平尾 D: 油箱组 E: 螺丝组
(KA2.0x12*4)
• 高效的 2627-KV4500 电机
• 动力充沛的 50mm11 叶涵道组
• 高性能的 30A 电调 内置 3A 开关 BEC 供电更充足，更安全
• 手抛起飞，机腹着陆
• 色彩鲜明的涂装，增加空中的辨识度
• 新型水性油漆，覆盖度强，色泽度好，不腐蚀产品
• PNP 带维翼飞控，三种模式自由切换
• 性能和价格的高性价比
12
A.
D. E.
B.
C.

组装过程
13
主翼安装
平尾安装
1.如图所示，将主翼放在机身凹槽处。Y线从机身过线
孔穿入。注意：不要压到Y线。
1.如图所示，将平尾安装至槽位，用泡沫胶粘牢。 2.安装连接钢丝至平尾舵角。
2.如图所示，使用附螺丝固定机翼至机身。注意:请勿过
锁螺丝。
KA2.0*12mm
泡沫胶示意图

组装过程
14
油箱安装
1. 如图所示，将油箱安装至主翼，用泡沫胶粘牢。
(注：油箱分左右) 泡沫胶示意图

以Futaba 遥控器为例，请按照图示顺序一一连接接收机通
道，其他通道可接入襟翼信号线或 LED 灯信号线 ,随后妥善
固定接收机。
副翼
平尾
油门
垂尾
起落架
其他通道
1
2
3
4
5
6
Channel-1
—Aile
Channel-2
—Elev
Channel-3
—Thro
Channel-4
—Rudd
Channel-5
—Gear
Channel-6
—Spare
如图所示，安装厂家推荐型号电池至电池舱，使用所附魔
术带或魔术贴固定。
注意：
1. 电池与电调连接前，务必确定油门杆处于低位。
2. 启动油门前，务必确定没有任何人或物体处于螺旋
桨的转动直径以内。
3. 由于不同电池厂家生产的电池重量有轻微差异，需
要调整电池在舱内的前后位置来平衡飞机的重心位置。
接收机连接示意图
电池安装
15

重要产品相关信息
电调说明
遥控器设置
1. 本产品随附的电调处在安全启动模式。安全启动模式，意即如果电机、电池已连接至电调，但油门杆不在低油门
位置或关闭位置，电机不会启动，只有将油门杆移至低油门位置或关闭位置，电机才会启动。油门杆移至低油门位
置或关闭位置时，电机将发出一系列哔声。几声相同的哔声表示电调已检测到电池。哔声的数量等于电池的节数。
此时，电机已准备就绪，并将随着油门移动开始启动。
2. 电机和电调已预连接，需要观察电机转动方向是否正确，如方向不正确，只需换插三条电机与电调连接线中的任
意两条，即可改变电机转动方向。
3. 电机具有刹车设置（可选项）。由于电调是刹车关闭状态，我们推荐电机也保持刹车关闭状态。此外，请注意，当
油门杆处在全油门位置上时，如果将电机、电池连接到电调，则可能会意外打开刹车。如要关闭刹车，需将油门杆
移至全油门位置，并插上电机电池，电机此时会发出一声哔响，再将油门杆移至低油门位置或关闭位置，则电机已
准备就绪，且刹车将被关闭。
4. 电池的选择和安装。我们推荐使用 11.1V 1300mAh 30C 锂电池。如果使用其他电池，电池的容量不能低于推荐
电池容量，且电池的尺寸和重量应与推荐电池相同，以保证适配机身电池舱，且不会显著改变重心。
注意：为了让电调适应你的遥控器油门行程，在首次使用本电调或更换其他遥控器使用时，均应重新设定油门行程。
油门行程设定说明：
请参考遥控器原厂家说明书。
1. 开启遥控器，将油门打到最高点；
2. 将电调接上电池，等待 2秒；
3. “哔-哔-” 油门最高点，确认声音；
4. 将油门推到最低等待 1 秒；
5.N 声短鸣音表示锂电节数；
6. “哔- ” 油门最低点，确认声音；
7. 系统准备就绪可以起飞。
正常使用开机过程说明 :
1. 开启遥控器，将油门打到最低点；
2. 电调接上电池，鸣叫提示音符 “ 123”，表示上电正常；
3. 发出 N声短鸣音，表示锂电池节数；
4. 自检 OK，发出长鸣音 “哔——” 系统准备就绪；
5. 推油门可随时起飞。
本产品的重心在机翼前缘向后 75-85mm 的位置。玩家需
要通过移动电池在电池舱里的前后位置或者使用配重块来
调整重心。请务必确保，在调整飞机重心的时候，飞机处
于组装完毕待飞的状态。
重心
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75mm-85mm

在计划飞行之前，需要使用遥控器测试每个舵面的工作情况，确保摇杆动作与各个舵面动作的对应关系如下图所示 ：
注意：在舵面调试中，请务必将油门摇置于最低位，并将桨拆下，以免电机意外启动发生事故。
舵面测试
副翼
升降舵
副翼摇杆
向左运动
升降摇杆
向下运动
升降摇杆
向上运动
副翼摇杆
向右运动
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图示是出厂设置，首飞建议直接使用出厂
设置，完成首飞以后，根据个人情况以及
对模型飞机的熟知程度自行调整。
舵角和舵机摇臂安装
本产品舵面行程参数如右图所示：
请注意，舵量越大，模型飞机的动作响应
越快，动作幅度越大。首飞建议使用小舵
量。然后根据个人情况以及对模型飞机的
熟知程度调整舵量。
大 小
10mm 上/下8mm 上/下
10mm 上/下8mm 上/下
升降舵
副翼舵
舵面行程
大舵面
小舵面
舵角 摇臂
平尾
副翼
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配件列表
AHAT101
AHAT102
AHAT103
AHAT104
AHAT105
AHAT106
AHAT107
AHAT108
AHAT109
AHAT110
AHAT111
AHAT112
AH9GP
AHKV4500
机身
主翼
平尾
座舱罩
副油箱组
连接钢丝组
舵机保护壳
机头罩
螺丝组
贴纸
舵面摇臂组
涵道盖
9g 塑胶正向舵机
2627-KV4500 电机
30A 电调
50mm11 叶涵道组
集成飞控维翼（无外壳）
AHESC30A-1
AH50MM11B
AHIG-T33
问题 问题原因 解决方式
油门推杆无响应，但舵机
有响应 ——电调未连接电机
——油门通道反向
——降低油门推杆和油门微调设定
——反过来重新装油门通道
桨的噪音过大或者震动过大 ——桨罩、桨、电机、电机架坏了
——桨或者桨罩的小部件松动了
——桨装反了
——更换损坏的配件
——把桨、桨夹和桨罩的小部件拧紧
——反过来重新装桨
飞行时间变短，飞机无力 ——电池电量低
——桨装反了
——电池坏了
——重新给电池充电
——依照电池说明书更换新的电池
飞舵面不动，或者动作响
应较慢
——舵面、舵角、连接杆、舵机坏了
——连接线坏了或者接头松了
——更换或者维修坏了的配件
——检查所有连接线，确保所有接头无松
动现象
舵面反向 ——遥控器发射机通道反向 ——检查通道控制（舵面）方向，调试飞机舵
面和遥控器的舵面控制杆
电机无力 ——电机或电池坏了
——电调用了不合适的低压保护装置
——检查电池、发射机、接收机、电调、电
机是否有损坏（如有，请及时更换）
——立刻操控飞机降落，重新给电池充电
故障检修指导
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