Tango F5J 3.1m

The Tango F5J is a very nice 3.15m four servo wing (flap and aileron) all CNC cut wood kit. The wing uses carbon tubular spars to facilitate quick and accurate construction, and the CNC parts fit together like a beautiful giant jigsaw. Two carbon tubes per wing make it extremely torsion-resistant and allow the Tango to be flown on windier days with impunity. The large span, optimal aspect ratio, and HQ30/11 airfoil and full span control surfaces give the Tango an excellent glide angle and duration. Adding a little camber allows the models to thermal beautifully, so it can climb in even the weakest lift. The Tango is easy to master and the landings are child’s play with the big flaps. The landing approach can be nearly vertical! If the flaps are set to 90° the Tango sinks safely very steeply and can be rounded out and alighted on the spot with ease.

But who is talking about landing? We want to fly the Tango does that very well. Even with normal flap position, the Tango thermals well. With the flaps in thermal position it’s even better. When travelling back upwind raise the flaps a bit and the Tango pickings up speed without losing height.

The Tango really likes to circle tight. After the development and before the serial production of the models the manufacturer built several models to really verify the data. They found the Tango can fly very slowly but also has a wide speed range. It was built to circle in the thermals and to land accurately. Both are possible to perfection. The 4 control surface wing can be adapted to any desired situation. Modern programmable transmitters offer countless possibilities.

As English build manual is now available. See the Tango EN Build Manual [147kb] download link just below the video and above the reviews. Use this in conjuntion with the photos in the German manual.

Tango Specifications
Wing span	3.1 m	124 in
Wing area	63.4 dm2	983 sq in
Length inc spinner	130 cm	51.2 in
Flying weight from	1618 g	57.1 oz
Wing loading	25.5 g/dm	8.4 oz/sq ft
Aspect ratio	15.6
Wing airfoil	HQ30/11-10
Spinner Diameter	38 mm
Centre of Gravity	80 mm from wing leading edge
Controls	Rudder, elevator, ailerons, flap, throttle

Tango Typical Weights
Total structure	1150 g	40.6 oz
Wiring	25 g	0.9 oz
Receiver	10 g	0.4 oz
Rudder servo	11 g	0.4 oz
Elevator servo	11 g	0.4 oz
Wing servos (4)	66 g	2.3 oz
Speed control	45 g	1.6 oz
Motor	120 g	4.2 oz
Prop & spinner	30 g	1.1 oz
Battery	150 g	5.3 oz
Flying weight	1618 g	57.1 oz

Recommended Servos
Elevator & rudder	KST X10-710, KST DS145MG, MKS DS6100, KST X08, Blue Bird BMS-125WV
Flaps	KST X10 Mini, KST DS135MG, MKS DS6100, Blue Bird BMS-115WV+, Blue Bird BMS-125WV
Aileron	KST X10 Mini, KST DS135MG, MKS DS6100, KST X08, Blue Bird BMS-115WV+, Blue Bird BMS-125WV

Powertrain Recommendations
XPower F2919/10 Light	3S 1.5 Ah LiPo, 10×5 prop
XPower F2925/8 Windy	3S 1.6Ah LiPo, 11×6 prop
Powerline Micro 1015	3S 1.2Ah LiPo, 15×8 prop
AXI 2220/16 V2 Long	3S 910mAh LiPo, 10×5 prop
Mega 16/15/4	geared 4.4:1 3S 1.2Ah LiPo, 16×8 prop
Mega 16/15/4	direct drive, 2S 1.5Ah LiPo, 7×4 prop
Mega 16/15/5	direct drive, 2S 1.5Ah LiPo, 8×4 prop
Dualsky XM2826CA-10 45g outrunner	3S 1.2Ah LiPo, 10×7 prop (19A, 5.0 m/s)

From the manufacturer:
For the Tango, motors from 200 watts of power and outrunner max. 28 mm or inrunner max 30 mm diameter can be used. Some possible examples:
Hacker A20-6 XL 10-pole EVO + 4.4: 1
Poly-Tec 400-F5J / light m. Gear 4.4: 1
Hacker A20-12 XL EVO
Himax C 2816-1220