Eternity F5J from Infinity models

Details

The Eternity F5J is a stunning model from Bohuslav Majerčík in Slovakia. 

The Eternity replaces the Infinity F5J and it is a radical departure from the fairly low aspect ration of the old Infinity.  The Eternity wing is high aspect ratio with thin airfoils across all panels. 

Eternity has a triple dihedral wing layout as this is more efficient in a straight line and in circling. Having more, slightly smaller angle dihedral changes rather than one bigger change of dihedral looked a worthwhile gain in the calculations especially when combined with an optimised planform and aspect ratio (22:1) all designed to work together as a package. The new wing features a whole set of new airfoils designed to allow the Eternity to travel well and handle stronger winds at lighter weights. The widest possible speed range has been achieved with some very clever airfoil design with extended laminar boundary layer flow across a wide range of angle of attacks meaning lower drag across a wider speed range.

The best part of this model is ease of transportation! 4 piece wing design and 2 piece fuselage. Of course a 2 piece removable V-tail. From what we hear the V-tail design is similar to the Infinity, so it should be a breeze to assemble at the field. 

Features

  • Easy to assemble at the field , no tools needed , just tape / push parts together and tape
  • Both ailerons are controlled with one servo, and a special connection system reduces any torsional stress during movement
  • Ballast placed in the middle of the wing, for fast and easy access
  • Wing is constructed with solid core technology in aluminum molds , during production all parts are post cured to high temperatures
  • Nose of the fuselage was designed by George Mirov famous producer competition propeller
  • Servos for the tail are located in the tail boom where it meets with the pod
  • Pre-installed IDS + in the middle part of the wing inbuilt special high temperature resistant teflon cable, to reduce time during build
  • Servo bays in the wing are completely molded in, full carbon caps, master piece of technology
  • Much more details from productions soon

Pictures

Radio icons

FrSky X20

FrSky XE

PNG (300x280)

BMP Recommended (300x280)

FrSky X18

FrSky Twin

PNG (180x166)

BMP Recommended (180x166)

FrSky X10

FrSky X12s

PNG (180x160)

BMP Recommended (180x160)

FrSky X10

FrSky X12s

PNG (192x114)

FrSky X9D

FrSky X9E

BMP (64x32)

BMP (64x32)

FrSky X10

FrSky X12s

JPG (155x100)

Similar Models

Some content in menu 2.

We cannot guarantee that the shops listed below do sell the Eternity F5J in particular but at least we know they do distribute Infinity models.

Where to buy


Wingspan: 3966mm (156.1 in)
Length: 1769mm (69.6 in)

Weight: unknown
  • Wingspan: 3966 mm
  • Length: 1769 mm
  • Wing area : 74,42 dm2 V tail area : 7,52 dm2.
  • Airfoil thickness in root rib 7,8% , middle to tip 6,9%
  • Wing is 4 panel , 2 piece fuselage , 2 piece V tail.
  • 2 piece fuselage , front part possible 2,4 friendly
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