What is the voltage of the model aircraft motor? Comprehensive analysis of model aircraft motor voltage selection guide
As the core power component of the remote control model, the aircraft model motor's voltage selection directly affects flight performance and safety. This article will combine the hot discussions and technical analysis of the entire network in the past 10 days to explain in detail the key points of voltage selection for model aircraft motors.
1. Basic knowledge of aircraft model motor voltage
The voltage of the aircraft model motor is usually determined by the S number of the battery pack (LiPo/Li-ion). The nominal voltage of each single cell is 3.7V. Common configurations are as follows:
| Number of batteries | Nominal voltage | Full voltage | Applicable motor type |
|---|---|---|---|
| 1S | 3.7V | 4.2V | Micro drone/indoor unit |
| 2S | 7.4V | 8.4V | Small fixed wing/traversal aircraft |
| 3S | 11.1V | 12.6V | Medium-sized aircraft model/FPV |
| 4S | 14.8V | 16.8V | Competitive level traversal machine |
| 6S | 22.2V | 25.2V | Large model aircraft/professional grade |
2. Core influencing factors of voltage selection
According to recent hot discussions on technology forums (November 2023), voltage selection needs to comprehensively consider the following factors:
| factors | Low voltage advantage | High voltage advantage |
|---|---|---|
| efficiency | Low calorific value | Low current demand |
| Power output | Delicate control | Explosive |
| Battery life | Many battery options | High energy density |
| Cost | Accessories are cheap | Professional grade performance |
3. Voltage configuration of popular model aircraft motors in 2023
Through analysis of sales data from major e-commerce platforms, the current mainstream configuration ratios are as follows:
| Application scenarios | Mainstream voltage | market share | Typical models |
|---|---|---|---|
| Indoor micro drone | 1S-2S | 35% | BetaFPV Meteor65 |
| FPV ride through machine | 4S-6S | 28% | iFlight Nazgul Evoque |
| Fixed wing model aircraft | 3S-4S | 22% | Volantex Ranger 1600 |
| Professional aerial photography machine | 6S | 15% | DJI Avata |
4. Matching relationship between voltage and motor KV value
The KV value represents the motor speed per volt (RPM/V). The golden matching rule that has been hotly discussed in the technology community recently:
| expected speed | Recommended KV value range | Applicable propeller size |
|---|---|---|
| Low speed and high torque | 800-1500KV | 10-15 inches |
| Balanced | 1500-2200KV | 7-9 inches |
| High speed type | 2200-3000KV | 5-6 inches |
| Extreme speed | 3000KV+ | 3-4 inches |
5. Latest technology trends (November 2023)
1.high pressure trend: Professional-grade aircraft models begin to adopt 8S system (29.6V), which can reduce current demand by 50%
2.Intelligent voltage regulation: Some new ESCs support dynamic voltage compensation technology
3.safety standards: New EU regulations require systems exceeding 22.2V (6S) to install double protection circuits
6. User practical suggestions
1. Newbies should start with the 2S-3S system, which is less difficult to control.
2. Competitive players recommend 4S system to balance performance and battery life
3. A voltage alarm is required before each flight (3.5V/single is recommended)
4. The voltage will drop by 10-15% during winter flight, and the protection threshold needs to be appropriately raised.
Summary: The selection of aircraft model motor voltage needs to comprehensively consider the size of the aircraft model, performance requirements and control level. The current market is dominated by 3S-6S systems. With the advancement of battery technology, high-voltage systems will become the development direction of the professional field. It is recommended that pilots refer to the data in this article and choose the most suitable voltage configuration based on actual needs.
check the details
check the details
en
