Onboard Generator System Upgrade

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

19x11, 16x10, 18x8, 18x10, 20x8

Recommended 3-bladed propellers

16x8, 16x10

Engine weight (including ignition)

1.35 kg (3 lb)

Muffler

Not included

Electrical Specifications

Generator type

Brushed

Generator maximum power options

80 W or 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

3.4 A for 80 W generator
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 3.4 A for 80 W unit and 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 3.4 A for 80 W unit and 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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