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Kiwi F3-RES Glider/Electric 2m

Product Code: KIWI
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Price: $220.38

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Description

The Kiwi F3-RES is a high-performance model for in RES 2m class competitions and sport flying. It has full wood construction, without carbon and other complex technology making it easy and quick to build. It is made from made from ecological materials and looks beautiful in the air! It has very good and easy circling and handling, and high starting heights. The Kiwi F3-RES uses two spoilers to reduce turbulence on the tail surfaces and retaining good elevator control for precise landings. The Kiwi has a short nose for to reduce inertia, a big wing area and low wing loading for great performance in the light thermal conditions.

The kit is supplied with a motor firewall and can be built as a pure glider or an electric glider.

The model is supplied as very nicely laser cut kit of balsa and ply parts with these additions:
Steel and wood ballast sets and box for ballast, allow 125g of ballast to be added.
Plastic spoiler servo frame for Emax ES 9051
Plastic adjustable hook
Bowden control cables
All others small accessories.

A full scale full plan is included and a richly illustrated English construction manual can be downloaded from here. The Kiwi can apparently be built down to 380 g, but normal flying weights are in the 400 g - 450 g range. See the RCGroups build log for lots more info.

Kiwi F3-RES Specifications
Wing span 2.0 m 79 in
Wing area 41.5 dm2 643 sq in
Length 118 cm 46.5 in
Flying weight from 400 g 14.1 oz
Wing loading 9.6 g/dm2 3.2 oz/sq ft
Aspect ratio 9.6
Wing airfoil HP-RES 36-38
Dihedral (EDA) 12.0º
Spinner Diameter 30 mm
Centre of Gravity 78-85 mm from wing leading edge
Controls Rudder, elevator, spoilers


Kiwi F3-RES Typical Weights
Bare structure 284 g 10.0 oz
Covering 50 g 1.8 oz
Total structure 334 g 11.8 oz
Receiver 6 g 0.2 oz
Rudder servo 5 g 0.2 oz
Elevator servo 5 g 0.2 oz
Spoiler servos 10 g 0.4 oz
Battery 40 g 1.4 oz
Flying weight from 400 g 14.1 oz


Recommended RC
Rudder & elevator servos Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10H, KST X06, Graupner DES 427, ES08
Spoiler servos (2) Emax ES 9051, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, KST X06
Receiver 4 or 5 channel receiver to match your transmitter
Battery Radient 1S 700 mAh LiPo, Dream-Flight 300 mAh 4.8V NiMH, HyperFlight 650 mAh 4.8V NiMH, Dream-Flight 700 mAh 4.8V NiMH, 1S 2600 mAh (18650) Li-Ion, 2S 300-600mAh LiPo


Control Throws
Rudder 20 mm each way
Elevator 15 mm up & down
Spoilers 80º up
Tow hook position 77-83 mm from LE (1 mm in front of CG)


Electric Powertrain Recommendations
Hacker A10-7L geared 4.4:1 3S 450mAh LiPo, 13x8 folding prop
DYS 2225 Kv 1600 3S 400mAh, 7x4 folding prop
ADH300L / MM1914-1100 Front Mount 3S 450mAh LiPo, 9x5 folding prop
ADH300L / MM1914-1100 Front Mount 2S 450mAh LiPo, 11x6 folding prop
Snipe 2e Powerset 33g 2S 450mAh LiPo, 6x3 or 6x4 folding prop

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