Compare the VP-X Pro and Sport Models
Which model should you choose?
Here is a comprehensive feature comparison between the VP-X Pro and the VP-X Sport to help you choose the best electronic circuit breaker system for your experimental or light-sport aircraft project. Click here for more information on the VP-X.
Features at a Glance
| Description | VP-X Pro | VP-X Sport |
|---|---|---|
| Processors | 2 | 1 |
| Power supplies | 2 | 1 |
| Volts | 14V or 28V | 14V |
| Total switched power circuits | 31 | 23 |
| 15A circuits* | 3 | 3 |
| 10A circuits* | 8 | 7 |
| 5A circuits* | 15 | 8 |
| 3A circuits* | 1 | 1 |
| 2A circuits* | 2 | 2 |
| 1A circuits (trim circuits) | 2 | 2 |
| Starter contactor circuit | √ | √ |
| Starter annunciator | √ | √ |
| Pitch trim motor controller | √ | √ |
| Roll trim motor controller | √ | √ |
| Reversible flap motor control with braking | √ | √ |
| Flap and trim position sensor inputs | √ | √ |
| Switch inputs: Panel/Flap & trim | 10/6 | 10/6 |
| Aux battery voltage measurement | √ | – |
| Main power input from PPS or battery contactor | √ | √ |
| RS-232 interface to EFIS | √ | √ |
| Ethernet interface to PC | √ | √ |
| *Circuit breaker value can be set anywhere between 1 amp and the maximum value shown. | ||
Electrical System
| Description | VP-X Pro | VP-X Sport |
|---|---|---|
| Electronic circuit breakers used throughout | √ | √ |
| Panel switch inputs to turn devices on/off (6 more for trim and flaps) |
10 | 10 |
| Solid-state short circuit protection | √ | √ |
| Over-current protection for each circuit (fully configurable) |
√ | √ |
| User re-settable circuit protection | On EFIS | On EFIS |
| Open-circuit detection (detects burned out landing light, inop boost pump, etc.) | √ | √ |
| Status (on, off, fault) of each electrical device | On EFIS | On EFIS |
| Display of real-time current draw per circuit | On EFIS | On EFIS |
| Display of overall aircraft current draw | On EFIS | On EFIS |
| Low-voltage alarm | On EFIS | On EFIS |
| Over-voltage alert | √ | √ |
| Over-voltage protection and automatic alternator shut-off |
√ | √ |
| Single alternator support | √ | √ |
| Dual alternator support | √ | √ |
| Supports internally-regulated alternators | √ | √ |
| Supports externally-regulated alternators (voltage regulator must be used) |
√ | √ |
| Supports B&C and Plane Power alternators | √ | √ |
| Supports single battery electrical system configuration | √ | √ |
| Graphical display of electrical system and status of components | √ | √ |
| Backups for critical avionics | √ | √ |
| Switched power circuits (1A to 15A capacity) | 31 | 23 |
| Dual internal electrical banks per power distribution unit | √ | – |
| Aux battery voltage display | √ | – |
System
| Description | VP-X Pro | VP-X Sport |
| Configure system using: | PC | PC |
| Works with 14 volt electrical systems | √ | √ |
| Works with 28 volt electrical systems | √ | – |
Trim Control
| Description | VP-X Pro | VP-X Sport |
| Solid-state trim control system | √ | √ |
| Trim circuits (motor and position feedback) | 2 | 2 |
| Runaway trim protection | √ | √ |
| Backup pitch trim control | √ | √ |
| Trim position indicators | On EFIS | On EFIS |
| 14v regulated trim motor output (no need to buy DC-DC converter for 28v systems) | √ | √ |
| Automatic variable speed trim motor to reduce trim sensitivity at higher speeds | √ | √ |
| Power-on trim switch fault detection | √ | √ |
Flap Control
| Description | VP-X Pro | VP-X Sport |
| Solid-state flap control system | √ | √ |
| Flap circuits (motor and position feedback) | 1 | 1 |
| Electronic motor braking | √ | √ |
| Flap position display | On EFIS | On EFIS |
| Flap over-speed warning (user configurable) | √ | √ |
| Disable flap down switch above specified airspeed | √ | √ |
| Momentary flap operation (moves when switch pressed) | √ | √ |
| Position based flaps (moves to next configurable position) | √ | √ |
| Flap motor run-on protection | √ | √ |
| Power-on flap switch fault detection | √ | √ |
Wig-Wag (landing light pulsing)
| Description | VP-X Pro | VP-X Sport |
| Wig-wag automatic when above specified speed | √ | √ |
| Light warm-up period (configurable) | √ | √ |
Starter
| Description | VP-X Pro | VP-X Sport |
| Disable starter while engine running | √ | √ |
| Starter engaged annunciator | √ | √ |