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Simitri F5J

Product Code: SIMITRI
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Price: $1,542.24 save 10%

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Description

The Simitri F5J is a brilliant design, with top quality construction and amazing value. The wing and tailplane are of all spread carbon construction, making the model extremely tough, rigid, and light. The aerodynamic design is similar to the Maxa and the Perfection - thus aerodynamically and structurally it has an excellent herritage. This shows in its very forgiving flying characteristics, excellent speed range, superb glide angle and also a very low sink speed.

The fuselage is very well thought out, with the motor, speed control, and rudder and elevator servos fitting at the front of the pod, with enough room to slip the battery through the large canopy hatch into the ample space behind the servos. Aft of that there is a ballast tube, so the plane's weight can be adjusted for windy conditions - however its excellent polar gives it a good speed range so extra weight is only beneficial for wind speeds above 15 mph (7m/s, 24 km/h).

The spread carbon skinned wing has a substantial spar, allowing high energy aerobatics if required. The wing is of conventional three piece construction. The control surfaces are large, so camber changes are very effective, and the large flaps allow the plane to be spot landed with ease. The spread carbon tailplane has a separate elevator to give very precise pitch control. The carbon fin sports a large film covered rudder to minimise tail weight, and is removable to help with transportation. The fit and finish is very good, with all the parts sliding into place perfectly. The pushrods, all control horns and linkages are supplied. The only work required to get the model airborne is gluing the tailboom and installing the RC and powertrain.

See the RC Groups Simitri discussion for more info.

Simitri F5J Specifications
Wing span 3.9 m 152 in
Wing area 83.1 dm2 1288 sq in
Length 190 cm 74.8 in
Flying weight from 1371 g 48.4 oz
Wing loading 16.5 g/dm 5.4 oz/sq ft
Aspect ratio 17.8
Wing airfoil Proprietary
Dihedral (EDA) 9.8º
Spinner Diameter 32 mm
Centre of Gravity 100-112 mm from wing leading edge
Controls Rudder, elevator, ailerons, flaps, throttle


Simitri F5J Typical Weights
Pod 136 g 4.8 oz
Boom & pushrods 90 g 3.2 oz
Wing centre panel 400 g 14.1 oz
Wing tip panels 180 g 6.3 oz
Tailplane 46 g 1.6 oz
Fin 37 g 1.3 oz
Accessories 75 g 2.6 oz
Total structure 964 g 34.0 oz
Wiring 30 g 1.1 oz
Receiver 10 g 0.4 oz
Tail servos 22 g 0.8 oz
Wing servos 44 g 1.6 oz
Speed control 36 g 1.3 oz
Motor 110 g 3.9 oz
Prop & spinner 35 g 1.2 oz
Battery 120 g 4.2 oz
Flying weight 1371 g 48.4 oz


Recommended Servos
Elevator & rudder MKS DS6100, MKS HV6100, KST X08
Flap MKS DS6100, MKS HV6100, KST DS135, KST X10 Mini, MKS HV6130
Aileron MKS DS6100, MKS HV6100, KST DS135, KST X10 Mini


Simitri Powertrains
Powerline Micro 1025/F5J 3S 1.3Ah LiPo, 16x8 RF or GM prop (1850 fpm, 43A)
Leomotion L3007-5000 3S 1.3Ah LiPo, 14x8 prop (1550 fpm, 39A)
Leomotion L3013-4550 3S 1.3Ah LiPo, 15x9 prop (2100 fpm, 57A)
Hacker A20-6XL geared 4.4:1 3S 1.3Ah LiPo, 16x9 Aeronaut prop (1800 fpm, 46A)
Mega 16/25/4E direct drive 3S 1.3Ah LiPo, 12x6 prop ( 1700 fpm, 59A)
Mega 16/5/3 Maxon 4.4:1 gearbox, 3S 1.0Ah LiPo, 14x9 prop


Simitri Control Movements
Rudder 25 mm each way
Flap 85 degrees down
Ailerons 15 mm up, 12 mm down
Elevator 10 mm up, 10 mm down
Recommended camber settings (measured at flap root TE)
Speed mode -1.5° (flat bottom surface)
Cruise mode 0° (flat top surface at hinge)
Thermal mode +2° (3 mm down)

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