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.
A05-10S kv4200 is a professional Hacker A05 item from Hacker Motor GmbH, prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
This product is relevant for RC builders and pilots looking for hacker a05, 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.
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.
A05-10S kv4200 Product description and features The A05 is the smallest motor from the house of Hacker Motor GmbH. This small weight-optimized high-end motor with a weight of only 7.5 g is often used in models around the 150g class. The 12-pole outrunner is connected directly to the controller because it depends in this weight class on every gram. Description Powerful drive for indoor models up to 150g Accessories You can find suitable controllers, batteries and a suitable air screw in the Acces
Reference SKU/model: 97130510. Mention this reference when contacting RC-MODEL for availability or fitment support.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
Diameter, pitch, motor load, current measurement and how propeller choice changes thrust, speed, efficiency and heat.
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.
A safety and performance guide to propeller balance, spinner fit, bent shafts, motor mounts, firewall checks and protecting electronics from vibration.
| Technical Specifications | |
| Manufacturer | Hacker Motor GmbH |
| Product Type | Hacker A05 |
| SKU | 97130510 |
| EAN | 4250320228394 |
| Availability | In stock |
| Weight [g] | 7,5 |
| Poles | 12 |
| Idle current (I0) at 8.4V [A] | 0,5 |
| Internal resistance (Ri) [Ohm] | 0,3 |
| Recommended timing [°] | 20 - 25 |
| Switching Frequency [kHz] | 8 |
| Controller recommendation [A] (depending on setup) | 5 |
| Length [mm]/[in] | 15 |
| Outer diameter [mm]/[in] | 16,6 |
| Prop Adapter | Yes |
| Gold plug mm (recommended) | soldered |
| Backmount mountable | Yes |
| Front mountable | No |
| max. power range [W] (max.15 sec.) | 35 |
| Mounting cross | Yes |
| Idle speed per volt (kv) | 4200 |
| Gold plug mm (soldered) | No |
Tags: Hacker Motor GmbH, A05-10S kv4200, Engines & Power, Electric Motors, Hacker Outrunner, Hacker A05
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