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Sprite Thermal-e


Sprite Thermal-e

The Vladimir's Models Sprite Thermal-e is a very efficient fully molded 2m electric glider intended mainly for competitive and sport thermal soaring. The advanced design by Dr Mark Drela gives excellent performance as a highly competitive electric 2m thermal soarer. With its high strength and reasonably spacious pod the Sprite Thermal-e can be used with powerful electric power systems that require beefy batteries. Alternatively the Sprite Thermal-e low weight also allows smaller powertrains to be used, to maximise its thermal soaring capabilities.

Its low drag gives it an excellent speed range makes it equally at home in calm and windy conditions, and makes hotliner style aerobatics a pleasure. With the power off its well-balanced controls and soaring optimised wing give it an outstanding thermal soaring capability and make it particularly attractive to expert flyers who are looking for 3m performance in a conveniently compact 2m package.

The Sprite Thermal-e version has a polyhedral wing with an EDA of 5 degrees, making it very easy to thermal, even at the limits of visibility. The AG40/41/42/43 section hollow moulded wings have carbon spars and large ailerons and flaps, extending the speed range at the low and high speed ends of the polar.

The attractive Kevlar fuselage and removable carbon canopy hatch are highly streamlined producing an extremely low drag and sleek pod, with fast convenient access to the flight battery. The molded-in wing pylon reduces interference drag and the long high modulus carbon tail boom and conventional cruciform tail ensure excellent handling. The molded tail assembly holds the superbly engineered all flying tail mount, with room for the elevator and rudder servos. The model is easily transported with its two-piece wings and removable tail.

In addition to the exceptional design the other outstanding characteristic of the Sprite is the very, very, very complete build done at the factory, with the following items already fitted to perfection: canopy, tailboom, and tailplane mount. The only work required is gluing in the fin and fitting the RC and powertrain.

These are available in glass or spread carbon layup. The delivery received March 2015 included some lovely spread carbon Sprite Hot-e models. These are very strong and very light.

See these RCGroups building and flying and flight and powertrain discussions.

To see more great photos and read an in-depth independent report we recommend you download the QEFI Sprite Thermal Electric Review by Martin Bell.

Sprite Thermal Electric Specification
Wing span 2.0m 79 in
Wing area 36.5dm2 565 sq in
Length 1.32m 52 in
Typical flying weight 1050g 38.1 oz
Wing loading 29.6g/dm2 9.9 oz/sq ft
Aspect ratio 11.0
Wing airfoil AG40/41/42/43
Tail airfoil NT12-NT14
Dihedral angle 6.5º
Spinner size 38mm
Centre of Gravity 92-104mm from wing leading edge
Tailplane neutral 51.5mm from top of the boom to the centre of the leading edge
Controls Elevator, rudder, flaps, ailerons

Sprite Typical Weights
Fuselage 160g 5.6 oz
Wing (glass layup) 440g 15.5 oz
Hoz tail 26g 0.9 oz
Vert tail 11g 0.4 oz
Accessories 41g 1.5 oz
Total structure 678g 23.8 oz

Recommended Servos
Elevator & rudder (9mm) Blue Bird BMS-101HV, Corona DS843MG, Hyperion DS09-SCD, Ripmax SD100, Ripmax SD150, KST X08N
Flap (13mm) KST DS135MG, MKS DS6100, Corona DS843MG, Hyperion DS09-AMD, Ripmax SD150, KST X08, Blue Bird BMS-105HV
Aileron (12mm) MKS DS6100, Corona DS843MG, Hyperion DS09-SCD, Ripmax SD100, Ripmax SD150, KST X08, Blue Bird BMS-105HV

Sprite Powertrain Recommendations
Powerline Micro 1010 3S 500mAh LiPo, 12x8 prop
Powerline Micro 1015 3S 500mAh LiPo, 15x8 prop
Powerline Micro 1015 - 2S 2S 600mAh LiPo, 15x8 prop
ADH300L Front Mount 3S 500mAh LiPo, 9x5 folding prop
ADH300L Front Mount 2S 600mAh LiPo, 11x6 folding prop
Dualsky XM2826CA-10 45g outrunner 3S 500mAh LiPo, 10x7 prop (19A, 5.0 m/s)
Hacker A20-6XL geared 4.4:1 3S 600mAh LiPo, 15x8 Aeronaut prop
Mega 16/15/4 geared 4.4:1 3S 600mAh LiPo, 16x8 prop
Mega 16/15/4 direct drive 2S 600mAh LiPo, 7x4 prop
Mega 16/15/5 direct drive 2S 600mAh LiPo, 8x4 prop

Recommended Control Throws & Mixes
See the Setup Template for Blaster-Sprite-Supra-Vladimir.pdf file (link below).

Sprite Thermal-e

 (5 reviews)
Price: $614.08
3 in stock

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