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Onboard Generator System

TECHNICAL SPECIFICATION

Engine Specifications

Engine model Penguin B 3W-28i carburettor engine
Power 2.5 kW (3.35 hp)
Capacity 28 cc (1.71 cu in)
Speed range 1500-8500 RPM
Oil / gasoline ratio 1:50 (2% mix) volumetric
Recommended 2-bladed propellers 19×11, 16×10, 18×8, 18×10, 20×8
Recommended 3-bladed propellers 16×8, 16×10
Engine weight (including ignition) 1.35 kg (3 lb)
Muffler Not included

Electrical Specifications

Generator type Brushed
Generator maximum power options 100 W
External GPU power supply voltage range 13 – 50 VDC
Battery type 3 cells Li-Polymer (not included)
Battery voltage 12.6 V
Maximum battery charging current 2 A
Maximum continuous generator current 4.2 A for 100 W generator
Maximum continuous battery current 8 A
Maximum continuous external power current 8 A
Output voltage 6 V and 12 V
Maximum output voltage ripple 50 mV @ 6 V
50 mV @ 12 V
Continuous load current at 6 V output 5 A

1) Generator continuous current must not exceed 4.2 A for 100 W unit.
2) Enclosure temperature must not exceed 70°C (158°F), additional cooling may be required.

Continuous load current at 12 V output 5 A

1) Generator continuous current must not exceed 4.2 A for 100 W unit.
2) Enclosure temperature must not exceed 70°C (158°F), additional cooling may be required.

Maximum GPU efficiency 90%
Maximum total generator system efficiency 75%
Maximum peak load current 10 A for 10 s
No load GPU current 165 mA
Tachometer range 1000-9000 RPM
Tachometer accuracy 200 RPM
Current sensor range 0 A to 10 A
Current sensor accuracy 0.2 A
Voltage sensor accuracy 0.1 V
Serial communication 5V TTL

Generator Power Unit Mechanical and Environmental Specifications

GPU dimensions (59.4 x 115.8 x 32.4) mm / (2.34 x 4.56 x 1.28) in
GPU weight ~190 g (0.42 lb)
Complete onboard generator system weight ~500 g (1.1 lb)
Maximum GPU enclosure temperature 70°C (158°F)
GPU environmental protection IP 64 standard
IP 68 available on request
GPU operating temperature -40°C to +50°C (-40°F to +122°F)

Enclosure temperature must not exceed 70°C (158°F), additional cooling may be required

GPU electrical connectors Fischer 104 Series push-pull connector

Maximum 80 W Generator Power Output

Maximum 100 W Generator Power Output

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