Factory Direct Selling Stepper Motors with 29 Inch Carbon Fiber Propellers for Uav DIY
| Price: |
Negotiable/Piece |
| Min Order: |
1/Piece |
| Pay Type: |
T/T,Western Union,Paypal |
| Prod Model: |
BLDC 8108 |
| Current: |
12.5 a |
| Torque: |
1n.M |
| Speed: |
4454 Rpm |
| Max.Efficiency: |
89.20% |
| Termianal Resistance(MΩ): |
260 |
| Torque Constant: |
915 G.Cm/a |
| Kv: |
106 Rpm/V |
| Speed/Torque Constant: |
0.02 Rpm/G.Cm |
| Customized: |
Okay |
| Material: |
Carbon Fiber+Epoxy |
| Application: |
Drones Motor |
| Operating Speed: |
Adjust Speed |
| Excitation Mode: |
Excited |
| Structure And Working Principle: |
Brushless |
| Number Of Poles: |
40 |
| Type: |
Unique |
| Certification: |
EMC, FCC,Ce |
| Brand: |
Alltech |
Product Description
29 Inch Straight Propeller
Basic Specifications |
| Diameter/Pitch(L*W) | 29*2.75 inch
(735*70mm) | Work Temp | -40ºC~65ºC |
| Weight(single propeller*2) | 83g*2 | Storage Temp | -10ºC~50ºC |
| Material | Carbon fiber+Epoxy | Storage Humidity | <85% |
| Surface Treatment | Glossy | Optimum RPM | 2619 RPM/Min |
| Propeller Type | Unfoldable,light weight | Thrust Limitation | 25kg |
BLDC Motor Features- 40 pairs of poles hi-torque motor design; Precision engineered for maximum energy conversion; Precision balanced rotor, smoothness for best reliability and maximum RPM
- Multiple protection features: Low voltage cut-off protection, over-heat protection, throttle signal loss protection
- Long stable performance: No error time lasts long for 2700 hours at 24V voltage and 60A current working conditions.
- Satisfy National Military standard, EMC, FCC,CE and so on.
- Suitable for industrial and specialized drones( Multi-rotor, fixed wings drones)
- Shaft: High hardness, long lifespan( Special stainless steel)
- Housing: 7075 series aerial professional high hardness aluminum alloy, more expensive than the 6000 series with low alloy hardness and the screw easy to loose.
- Magnet: special permanent magnet with good performance and unique heat resistance.
- Coil: High purity copper windings maximizes efficiency; Imported from Japan with good performance, high heat resistance; Adopt vertical varnish technology to make the wire thickness even;
- Bering: Imported(Not-refurbished)
- Iron core: Imported, unique silicon steel sheet.
KWT-BLDC81 Series Φ105×29.5 250W/500W| Motor Parameter | | KWTBLDC | KWTBLDC |
| | Motor Model | 81106S | 811012S |
| Values at nominal voltage | | |
| | 1 | | Rated voltage | V | 22.2 | 44.4 |
| | 2 | | No load speed | rpm | 3827 | 4686 |
| Free Load | 3 | | No load current | A | 0.93 | 0.65 |
| | 4 | | Max.efficiency | % | 87.30% | 89.20% |
| | 5 | | Speed | rpm | 3613 | 4454 |
| At Max. | 6 | | Current | A | 15.7 | 12.5 |
| Efficiency | 7 | | Torque | N.m | 0.80 | 1 |
| | 8 | | Max.output | W | 1437 | 2632 |
| | 9 | | Speed | rpm | 1914 | 2343 |
| At Max. | 10 | | Current | A | 133 | 120 |
| Output | 11 | | Torque | N.m | 7.2 | 10.7 |
| | 12 | | Stall current | A | 264 | 240 |
| At Stall | 13 | | Stall torque | N.m | 14 | 21.5 |
| Motor characteristic | | | |
| 14 | Termianal resistance | mΩ | 120 | 260 |
| 15 | Torque constant | g.cm/A | 556 | 915 |
| 16 | KV | | rpm/V | 173 | 106 |
| 17 | /Speed/Torque constant | rpm/g.cm | 0.03 | 0.02 |
| | | | | | | | |
| Motor characteristic | | |
| | Thermal parameters | |
| 18 | Ambient temperature | -20~+55 | ºC |
| 19 | | | 180 | ºC |
| Max.permissible winding temperature |
| | Mechanical parameters | |
| 20 | | | 20000 | rpm |
| Max.permissible No-load speed | | |
| 21 | () | 100 | N |
| Max.axial load(dynamic) |
| | Other parameters | | |
| 22 | Number of pole pairs | 40 | |
| 23 | | | | | 3 | |
| Phase No. | | | |
| 24 | Weight of motor | 240 | g |
Keweitai, a leading high-tech worldwide enterprise in information communication industry, mainly engaged in radio communication, satellite communication, microwave remote monitoring systems, closed-circuit monitoring, the development\production and application in network digital video processing technology and computer multimedia control systems.
As a leading manufacturer with innovative technologies and services, Keweitai has developed a wide range of wireless mobile video transmission system\network video server\network video management platform and wireless HD video and audio transmission airborne UAV system. It's products and systems have been widely used for homeland security, broadcasting events, commercial, business, and military aircraft.
Keweitai has an excellent and professional engineering team of more than 200 employees, among which R & D personnel accounted for 40 %. It has two production lines - one for wireless mobile COFDM video transimission system and one for UAV surveillance system with the high yearly production capacity of 10, 000 sets of wireless communications products and 20, 000 sets of security and network transmission equipment. It has a total of 3400 square meters independent property rights, independent commercial property 300 squre meters, and strategy reserve property 1500 square meters. Its headquater is located in shenzhen and still owns the other seven service centers and a product development division all over China.
Keweitai do market its leading position in wireless video mobile emergency command application all over the world, enable customer to combat major crime, terrorism, fire fighting and so on. Keweitai is still making every effort to develop a new genernation of wireless communication technology, providing customers with a more reliable quality products and solutions.
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