Splendid performing machine for the F5J amateurs.
The F5J (very popular non official category in the USA), what it?
In fact, it is a mix of F3J (category FAI for the thermal flight) and of F5 (electric category).
To summarize, instead of launching your sailplane with a winch, you launch it using the electric motor which you have in the nose and then you soar, soar, soar...
The flaps make possible to slightly camber the profile for better exploiting the zones "which go up".
Directed into negative, they make possible to accelerate to forward. By directing them many and by mixing them with the ailerons (crocodiles mixing), they enables you straight forwardly ,to stop the sailplane finally, to land for cm!
A sailplane that everyone will be torn off!
Wingspan: 3200 mm
Lenght: 1550 mm
Weight: 3-3,3 kg
Surface: 67,6 dm2
Chrg: 44,4-48,8 g/dm2
5 channel 6 micro servos
RC equipment: 5 channel
4 micro servos for ailerons and flaps
1 servo for elevator
1 servo for rudder
transmit-receive accu 4,8V, 1,2 - 1,4Ah
Motor: MEGA Acn 22/45/3E
Controller: 40-50A for Mega
Spinner: "turbo" spinner ø40mm - 0201559 for Mega
Propeller: 13/6 for MEGA Acn 22/45/3E
Accu: 4S LiPol 3,2-4,5Ah, 12 - 14cells Nixx
Fuselage and cabin moulded out of glassfiber/epoxy and gelcoated
The wings are in three parts to facilitate the storage and transport
The wings are manufactured out of foam core and balsa planking with hard wood spars and are reinforced by carbon and glass fiber tapes. The control surfaces are completely reinforced with fiberglass to avoid twists. The whole is covered in a sublime way, in Oracover®.
Epoxy/glassfiber hollow moulded horizontal stabilizer and fin
C.A.M. formers and various wood parts, fiberglass engine mount
Step by step building handbook