Electric Flight in Australia

 

Mibo Models Electra2 3.9m

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 Peter Pine

PO Box 324
Pottsville Beach 2489
Phone (02) 6676 1437
Mobile: (0407) 732 440

E-mail: ppine@northnet.com.au

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
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Electra2 is the ultimate high tech light weight electric sailplane designed for F5J-FAI competition.

The wings have a relatively thin aerofoil and wide chord flaps. The ailerons are extended to the end of the tip to give you more flying agility along with an outstanding soaring capability. By using 4 servos mounted directly in the wing, the flaps and ailerons allow camber changing of the wing section in all phases of flight, a wide speed range and crow braking for precision landings.

Wings have a carbon main spar; meanwhile the complete wing is made using unique bi-axial Spread Tow Carbon Fabric with direction ±45 degree. This structure allows a good increment of torsion stiffness with minimum weight and flying in wind conditions up to 12 m/s.

The 3-piece wing is completely assembled ready to install servos up to 13mm thick for the flaps and 10 mm for the ailerons. Delivered with a pair of light, hollow wing-joiners, not meant for winch launch!

The empennage is solid core with moulded carbon and glass skins and carbon spar caps. The removable, bolt-on fin/rudder moulding is works-installed onto the carbon fuse. The horizontal stab is a one-piece moulding bolted to the fuselage.

The fuselage is compatible with 2.4 GHz radio systems, being pressure-moulded using a Kevlar/Spread Carbon combination with extra carbon reinforcements. The two servos for the tail surfaces are mounted in the canopy bay. The Bowden link is very straight allowing a very precise control with a simple servo installation.

There is plenty of room for a geared motor, ESC and 3s LiPo battery in the canopy compartment with an easy access to the interior of the model. A ballast option is available (see images right of the ballast holder and ballast rod).

A variety of different size motors can be fitted into the fuselage, the standard factory installed firewall is ready for a spinner with 30 mm diameter. Bigger spinners for larger gearbox/motor combinations can be installed simply by cutting back the nose (up to 38 mm spinner dia.).

Wing bags and a cable harness with JR connectors and DB9 plug system are available as extras.

o Wingspan: 3900 mm
o Length: 1700 mm (with Spinner)
o Wing airfoil: MT-25750-L
o Tail airfoil: HT13
o Wing area: 68,8 sq.dm
o Tail area: 7,4 sq.dm
o Empty airframe weight: less than 1000 g

Price - $2,650 Current stock all sold - now taking forward orders for the next shipment - order and pay a deposit to secure a discount
Recommended motor: Mega 1607/4E with 3.1:1 gearbox or 4.7:1 gearbox

Recommended prop: Aero-naut 11x6" or 13x8" depending on motor

Recommended ESC: Hifei 60A SBEC

Spinner: Cool nose 30mm or Mega 30mm

Servos - fuselage: KST DS115MG

Servos - wing: KST DS135MG

Cable for wing servos: see image above

Contest Successes Electra2
Model
Place
Event
Pilot
Electra2 3.9m V-tail
3rd out of 30 fliers
F5J NEFR Canberra 2018
Mel Gillott
Electra2 3.5m V-tail
12th out of 30 fliers
F5J NEFR Canberra 2018
John Arnold
Right - Mel Gillott with Electra2 3.9m V-tail