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RES Dart Electric

Product Code: RES-DART-E
 (3 reviews)

Price: $167.82

3 in stock

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Description

The RES Dart Electric is a superb 2m flying wing that incorporates very advanced aerodynamics to provide astounding performance. The RES-Dart is unusually stable for a flying wing and has good thermal performance, and a wide speed range. This electric version uses a small tractor propeller to avoid the hassle of using high starts. The model impresses with its balanced flight characteristics, the enormous performance potential and the extraordinary manoeuvrability (see following video). The large 2 piece spoilers enable steep descents, allowing safe exits from thermals and accurate landings. The wing is two part and the winglets can be detachable, making for a very transportable model. Like our other F3-RES models this is a high quality build-it-yourself kit constructed from CNC and laser cut balsa and plywood.

The wing profile has been optimised to give good performance while at the same time being easy to build. The thickness of approx. 9.5% allows for a lightweight structure and provides good torsional strength. The contour of the profile is only curved in the region of the front Dbox. To the rear of this, similar to the AG35, planar facets prevent covering sag between the ribs and thus ensure an accurate section is maintained. The wing geometry and sweep have been practically tested and flown many times while optimising the model's structure and aerodynamics. Thanks to its wing profile, low surface load and DSA winglets, the RES-Dart Electric has extremely good-natured flying characteristics, which enable practiced pilots to crank up the model into the tightest thermal turn and climb away from very low launches.

The recommended powertrain is a 28 g - 40 g outrunner with a Kv between 1100 RPM/V and 1400 RPM/V, powered by a 400 - 600 mAh 2S or 3S LiPo battery.

More info on this RCGroups thread. Also see this German build log for photos and info - use Google Translate.

Download the German manual from here. See below the video for a link to an English translation. The kit does not include a plan. Although this is initially off-putting a clever build jig is included and with some observation of the manual photos the construction process becomes clear.


RES-Dart Electric Specifications
Wing span 1.9 m 76 in
Wing area 47.0 dm2 729 sq in
Flying weight from 530 g 18.7 oz
Wing loading 11.3 g/dm 3.7 oz/sq ft
Aspect ratio 7.8
Wing airfoil Custom
Spinner Diameter 30 mm
Centre of Gravity 21 mm from wing centre trailing edge
Controls Elevons, spoilers, throttle



RES-Dart Electric Typical Weights
Structure 360 g 12.7 oz
Receiver 7 g 0.2 oz
Elevon servos 10 g 0.4 oz
Spoiler servos 10 g 0.4 oz
Motor 38 g 1.3 oz
Prop & spinner 10 g 0.4 oz
Battery 80 g 2.8 oz
ESC 15 g 0.5 oz
Flying weight 530 g 18.7 oz



Recommended RC
Elevon servos Ripmax SD100, Power HD DSM44, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10H, Gening D541BB, KST X08, Ripmax SD150, Corona DS843MG
Spoiler servos (2) Ripmax SD100, Power HD DSM44, Gening D541BB, Blue Bird BMS-A10H, KST X08, Ripmax SD150, Corona DS843MG
Receiver 4+ channel rx to match your transmitter
Battery Dream-Flight 300 mAh 4.8V NiMH, HyperFlight 750 mAh 4.8V NiMH, Dream-Flight 750 mAh 4.8V NiMH, 4 cell Eneloop 500-800 mAh NiMH



Electric Powertrain Recommendations
ADH300L Front Mount 3S 450mAh LiPo, 9x5 folding prop
ADH300L Front Mount 2S 450mAh LiPo, 11x6 folding prop







Reviews 3  


 Review by:

Res Dart

A great kit, but could do with construction photos to aid with the building process.There are websites showing construction, but still open to silly errors.
Good quality balsa, and lovely laser cutting.
Not a beginners kit, but fairly straightforward for experienced modellers.


Comment by:

Res Dart reception

Very well packed and well received. Can't wait to build it.. Challenge will be to be near or lower than 500 gr.


 Review by:

RES Dart Electric

Not a cheap model for what you get but well worth it if you want performance with a unique feature.
This kit will build up into what will be a great model with a high spec.
Certainly not for the inexperienced modeller but even so taking your time and studying the construction many times would certainly be an aid to the semi novices to the building techniques employed.
I will be flying mine in semi hostile areas in the Welsh hills and am taking the time to fit spruce leading edge spars ( the supplied balsa ones are in the medium to medium soft grade and wouldn't survive Bracken and grass tussocks) and supplementing the build with a few corner gussets around the leading and trailing edges of both the root and tips of the wings. This will incur a small weight penalty but I am not going to fly the RES Dart in competition.
I have opted for the power fuselage which I will glass in light glass cloth., I may even get the glider fuselage at a later date.
I have side blocked the ribs up with pins in the jig and will fit the 2 spruce spare like this.
Slide in the bottom spruce spar leaving it 5mm short of the last rib.
Glue and fit the top spruce spar and fit then blob glue onto the bottom spar adjacent to the ribs. Slide the spar into position and lift it into the rib slots. Using short elastic bands loop them around the lower spar and up and over the top spar and bridge them out with a matchstick do this at every rib position making sure the lower spar is well into the rib slots. The bands need to be close to the ribs and tight enough to hold the spars firmly but not too tight to warp the rib.
Good Luck to potential builders. I can't wait to get mine to flight status.


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