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Super AVA Pro-e eSoarer 3.7m

Product Code: SUPER-AVA-PRO-E
 (4 reviews)

Price: $1,102.47

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The Vladimir's Models Super AVA Pro-e is an improved version of the world renowned electric Super AVA-e. Probably no rudder-elevator-spoiler (RES) eSoarer has a better reputation and a more illustrious contest record than the AVA series, so improving this already superb model is no mean feat. However Vladimir has incorporated these very significant upgrades in the Super AVA Pro-e:

- The electric fuselage pod has been totally redesigned to use a beautifully executed canopy hatch rather than a nosecone, allowing the battery to be inserted and connected easily, improving usability on the field. Also the very slim pod has a carefully engineered wing pylon to reduce interference drag.

- The Super AVA Pro-e wing planform has been optimised to be more elliptical, and the construction of the tip panels improved to utilise a carbon D-box to be stiffer and stronger. The better adherence to the airfoil profile also gives a useful drag reduction.

- The single central spoiler has been replaced by two smaller spoilers, these don't interfere with the flow over the tailplane, reducing the pitch change and making accurate landings child's play.

- The Super AVA Pro-e's tailplane has an improved planform and carbon D-box construction, increasing strength and reducing trim drag.

- The new fin has also been changed to use a molded fixed portion, with a lower drag tailboom attachment that incorporates a very clever quick release mechanism, to make the Super AVA Pro-e more transportable.

- The tailboom has been lengthened and stiffened. The longer tail moment improves stability and turning performance.

- The long pod allows large propellers to be fitted, and the rigid structure allows kilowatt class powertrains to be installed giving ultra fast climbs. The low wing loading ensures a very low min sink, and the ability to climb away in the weakest of thermals.

On the construction side, Vladimir has taken the build to a new level of completeness, so the Super AVA Pro-e can be assembled in only a few hours. New work done by Vladimir to speed Super AVA Pro final assembly:

- The wing spoiler horns have been fitted, and the spoiler servo wires threaded into place.

- All pushrods and horns have been fabricated, wires bent, etc.

- Fitting the servos in the fin has been simplified.

The only work required to compete the model is to glue the boom to the pod, attach the V mount and fin quick release clip, and install the powertrain & RC gear.

The Super AVA Pro-e is a stable thermal duration eSoaring model suitable for near beginners and competition fliers alike, and the simple rudder, elevator, spoiler controls make it supremely easy to fly. Its light weight, prodigious strength, and state of the art design result in brilliant performance.

The Super AVA Pro-e is an evolutionary improvement of the Super AVA-e, which was itself a stretched and electrified version of Dr Mark Drela's revolutionary Bubble Dancer. The AVA-e was an implementation of Drela’s design using the free flight type construction techniques invented in Eastern Europe, and perfected by Vladimir. The Super AVA Pro-e is a stretched and improved version of this model. Like the Simply the Best and Organic ranges the Super AVA Pro-e wing has carbon capped ribs and a Kevlar D-Box. Allied to a substantial Kevlar wrapped carbon spar this results in a very rigid and almost unbreakable structure.

The aerodynamics are outstanding, utilising specially designed airfoils (no doubt in Xfoil, written by Mark Drela himself when he was a student), and a low drag V mounted tail plane, the AVA has a measured sink rate of 0.3m/s (60 ft per minute). The Super AVA Pro-e can be built down to 59 oz, however despite the low wing loading the plane can cope with 15mph winds with ease.

Many have asked about the underslung fin. There is no need to worry, in all the years we have been selling the AVA and the AVA Pro ranges not a single person has reported a broken fin or boom.

Super AVA Pro-e Specification
Wing span 3.73m 147 in
Wing area 82.3dm2 1275 sq in
Length 1.85m 73 in
Typical flying weight 1579g 59.4 oz
Wing loading 20.4g/dm2 6.7 oz/sq ft
EDA 13.4 degrees
Aspect ratio 14.8
Wing airfoil AG24/25/26
Tail airfoil HT14-HT15
Fin airfoil HT13-HT12
Spinner diameter 38mm
Centre of Gravity 100-108mm from wing leading edge
Controls Elevator, rudder, spoilers x 2

Super AVA Pro-e Typical Weights
Fuselage 211g 7.4 oz
Wing 764g 26.9 oz
Hoz tail 25g 0.9 oz
Vert tail 39g 1.4 oz
Accessories 20g 0.7 oz
Total structure 1059g 37.4 oz

Recommended Servos
Elevator & rudder* KST X06, KST X08, MKS DS6100, MKS HV6100, Blue Bird BMS-125WV
Spoilers MKS DS6100, KST DS113MG, KST DS135MG, MKS DS6100, MKS HV6100, Blue Bird BMS-125WV
*In order to balance the model without using a heavy motor we highly recommend that the lightest servos are used for the elevator and rudder controls.

AVA Pro Powertrain Recommendations
Powerline Micro 1015 3S 700mAh LiPo, 15x8 prop
Powerline Micro 1025/10 3S 1Ah LiPo, 16x8 prop
Leomotion L3013-4550 3S 1Ah LiPo, 15x9 prop
Leomotion L3025-4550 3S 1Ah LiPo, 15x8 prop
Hacker A20-6XL geared 4.4:1 3S 1Ah LiPo, 16x9 Aeronaut prop
Mega 16/25/3 direct drive, 3S 1Ah LiPo, 11x6 prop
Axi 2220/12 V2 direct drive, 3S 1Ah LiPi, 12x6 prop

Reviews 4  

Comment by:

Excelente modelo. Acabamentos fantásticos. Pormenores e detalhes que faz deste modelo único.

 Review by:

This classic design has been around for so long that there surely can't be anything to add to what has already been said. Or can there?

Being a purist, I never liked the idea of a prop on the front of a sailplane - until I tried the Kappa 20 and realised just how much flying time I had been missing. In an instant my so-called purist days were over and a whole new field of enjoyment opened up. And so I spoke to Neil and ordered an e-fuselage for my Super AVA Pro. He didn't have an e-fin and rudder in stock, but advised me that it wasn't necessary, that with today's lightweight powertrains the rudder and elevator servos could be mounted up front in the fuselage. How right he was - as usual: with a Powerline 1020, 3S 1300mah graphene lipo and two KST X08 mounted just behind the hatch, I still needed to add some noseweight to get the CG at 99mm. I also fitted a Reisenauer aluminium motor mount, which I secured with JB Weld. Well worth all the drilling and dremelling, as the result looks so classy.

As with all Vladimir's designs, the quality and fit and finish are stunning, but I didn't get on too well with the standard 1.83mm carbon pushrods: the outer tube is quite rigid and I found that the slightest bend stiffened things up, so on Neil's advice I used 1.5mm carbon rod in 1.93mm PTFE tubing. Much lighter, silky smooth, and more than strong enough for the flight loads.

As for the AVA's flying qualities, there really isn't much left to say. 'It just doesn't want to come down' has become something of a cliche in soaring circles, but that's because it's true. However, it certainly wants to go up and the Powerline has no problem doing it vertically. You don't need a thermal to enjoy long and relaxing flights with the AVA, for it settles majectically into what seems like walking pace, yet with a touch of down elevator it quickly gathers pace. Response from the large rudder is instant and it is capable of very tight circles, almost turning on a wingtip. Accurate landings are a piece of cake with the spoilers extended, and very little up-elevator compsensation is needed.

This is one of the most beautiful and easy-to-fly sailplanes you could hope for, so rewarding and satisfying - and great value too. An aging design for sure, but one that in its category is still hard to beat, perhaps only the 4m version having the edge. I love it!

 Review by:

Super Ava E

There is not a lot I can add to the RCME review by Andy Ellison. I took his advice on replacing the elevator pushrod (my supplied carbon rod broke the first time I tried to dismantle it). I also used 2mm bullet connectors on the servo leads at the tail as conventional plugs will not pass into the boom.
To install the Hyperion DS09 AMD elevator and rudder servos in the fin I wrapped them in masking tape then epoxied directly to the inside skin of the fin inside the cut outs. However I quickly discovered that normal epoxy does not bond well to the resin/ carbon used by Vladimir as the servos came loose under moderate handling. Having roughed up the internal surface slightly I got a good bond but the fin skin is so thin that the servo flexes it under load resulting in some play on the rudder. I will probably add a doubler of 1mm glass sheet when I get around to it.
Unlike Andy I operated the spoilers directly from long servo arms bearing on the underside, I used New Power XL161HM servos which are small, powerful and cheap. The servo lugs were removed to enable them to butt up to the spar and a square of 3mm liteply brought them up to the right height. As with the tail servos they were wrapped in masking tape and epoxied in place. No bonding issues here.
Fitting all the gear in the pod took some planning. I used a 4S 1600 mah / 50C flight pack which fitted comfortably under the hatch with the Rx and UBEC behind and under the wing mount. With the CG exactly in the middle of the recommended range this left sufficient room for a satellite Rx behind the motor along with the telemetry module. A further satellite Rx was fitted in one of the spoiler bays (with a small balance weight in the opposite wing).
Power was a Plettenberg HP220/A3 p4 with a 5:1 gearbox driving a 14x8 prop. I had intended to use a 15 x 10 but broke it whilst bench testing. In the event the smaller prop has proved entirely adequate giving 200m in 18-20secs.
Flying it is a joy. I had none of the issues with power to glide transition that Andy noted. I did mix some down elevator into motor to control a tendency to loop under power but when the motor stops at 200m the plane just levels itself out and starts gliding. I have slightly more throw on the rudder for thermalling but a lower rate for the climb out. The spoilers are progressive and give just the right amount of pitch down for controlled spot landing.
So my only minor criticism is the flimsy elevator push rod. Otherwise I cannot praise it highly enough.
Peter Wood

 Review by:

Super AVA Pro E - equipment experiences

Hi Neil,

I just wanted to provide some data from my Super AVA Pro E, since I know you use to publish recommendations on your site.

I use a Kontronik Kira 500-30 with 6.7:1 box, 18x9 RFM prop, 4S 2.45Ah 30C LiPo (48A, 3300 fpm)


Current, Climbrate etc. logged and live data using EagleTree Seagull Pro.

Another interesting thing regarding the AVA is the CG. I have to move the battery quite far back to achieve the right CG. I was a little afraid about being careful with the tail weight you wrote about on RCG. Maybe the Kontronik motor is a little heavier than others?

With 2.2Ah 3S the battery front end needs to be moved back to 177 mm behind the firewall (this gives a AUW at 1740g ex Seagull system).

With the new 2.45Ah 4S the battery front end needs to be moved back to 220mm behind the firewall.

To me this is all god since it give space for the Seagull system. I thought you would like to know for future equipment discussions with clients.

Kind regards,


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