How to match an electric motor to an RC aircraft
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
Stream-Fan 90mm kv1170
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Stream-Fan 90mm kv1170
Stream-Fan 90mm kv1170 is a professional Stream-Fan ducted fan sytems 90mm (3.54in) item from WeMoTec, prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
Recommended use
This product is relevant for RC builders and pilots looking for stream-fan ducted fan sytems 90mm (3.54in), replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.
What to check before ordering
Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.
Key details
- Voltage [V]: 40-51
- Load current at 12S [A]: 105
- Power at 12S [W]: 4690
- Idle speed per volt (kv): 1170
- Thrust at 12S [kg]: 5,5
- Weight [g]: 550
- Total diameter [mm]: 94
- Total length [mm]: 63
- Motor diameter [mm]: 39
- Motor length [mm]: 60
- Manufacturer: WeMoTec
- Product Type: Stream-Fan ducted fan sytems 90mm (3.54in)
- SKU: 10107512
Stream-Fan 90mm kv1170 Our new impeller Series combines two quality products to a high-efficiency propulsion. The Wemotec EVO impeller in conjunction with our new specially adapted to impeller engines will bring your model to unimagined power ranges . The impellers are assembled and finely balanced . Techical Data: Motor: E50L 2,5D EDF: 11-blades LiPo : 12 Weight: 550g (Fan +Motor) Meassurements: voltage under load: 44,4V ampere: 105A thrust: 5500g Stream-Fan 90mm kv1170 Our new impeller Series
Reference SKU/model: 10107512. Mention this reference when contacting RC-MODEL for availability or fitment support.
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
How to choose the right propeller for an RC aircraft
Diameter, pitch, motor load, current measurement and how propeller choice changes thrust, speed, efficiency and heat.
How to choose the right ESC for an RC aircraft
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
How to measure current draw with a Watt Meter
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.
How to prevent motor and propeller vibration
A safety and performance guide to propeller balance, spinner fit, bent shafts, motor mounts, firewall checks and protecting electronics from vibration.
| Technical Specifications | |
| Manufacturer | WeMoTec |
| Product Type | Stream-Fan ducted fan sytems 90mm (3.54in) |
| SKU | 10107512 |
| EAN | 4250320247722 |
| Availability | In stock |
| Weight [g] | 550 |
| Idle speed per volt (kv) | 1170 |
| Voltage [V] | 40-51 |
| Load current at 12S [A] | 105 |
| Power at 12S [W] | 4690 |
| Thrust at 12S [kg] | 5,5 |
| Total diameter [mm] | 94 |
| Total length [mm] | 63 |
| Motor diameter [mm] | 39 |
| Motor length [mm] | 60 |
Tags: WeMoTec, Stream-Fan 90mm kv1170, Engines & Power, Ducted Fan Systems, Stream-Fan ducted fan sytems 90mm (3.54in)