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X-RES

Product Code: X-RES
 (13 reviews)

Price: $168.30

More than 10 in stock
Quantity

Description

The X-RES is a built-up CNC cut balsa and ply kit designed for the new F3-RES high-start launched 2m Rudder-Elevator-Spoiler glider class popular in Germany and Austria.

The X-RES is the latest development of Alois Janowetz, the designer of the Minores, one of the top models of the 2015 season, with the many competition wins (including 3 victories in the Bavarian Open) in Austria and Germany. The new X-RES performs even better, with a documented sink rate of just 0.31 m/s (61 ft/min), which is exceptional for a 2m model.

The X-RES has pleasant flight characteristics and brilliant performance. The model is very agile and extremely easy to fly. The pre-production models enthused the test pilots and the flight performance was clear from the start. The sophisticated design and the brilliant use of weight-optimized materials allows a flying weight of 430g and thus a wing loading of only around 11 g/dm2 (3.7 oz/sq ft) out of the box, giving amazing performance.

The large 2-part spoilers allow almost vertical descents without an increase in speed. The wing separates into three panels and the tailplane is removable making the model very easy to transport.

The CNC cut kit has very simple and robust construction. With the exception of the 6 mm CFRP rods for the wing and the GRP rocker for the moving tailplane only selected and optimized balsa and plywood are used.

All components are bonded with easily available glue and the model's construction is simple, considering the excellent performance potential. The fuselage is already prepared for a ballast tube, which can take weights up to 250g. The design allows the use of commercially available and easily obtainable components. The recommended battery is an Eneloop E-550 or 800mAh in cube form. Oralight covering is recommended. An adjustable tow hook is standard and is included in the kit.

The kit includes a colour plan and comprehensive instructions. An English translation is included/available. For more info about the X-RES see this RCGroups build thread.


X-RES Specifications
Wing span 2.0 m 79 in
Wing area 38.6 dm2 598 sq in
Length 122 cm 48.0 in
Flying weight from 420 g 14.8 oz
Wing loading 10.9 g/dm2 3.6 oz/sq ft
Aspect ratio 10.4
Wing airfoil Modified AG
Dihedral (EDA) 12.0º
Controls Rudder, elevator, spoilers



X-RES Typical Weights
Total structure 310.0 g 10.9 oz
Receiver 6.0 g 0.2 oz
Rudder servo 8.0 g 0.3 oz
Elevator servo 8.0 g 0.3 oz
Spoiler servo 8.0 g 0.3 oz
Battery 70.0 g 2.5 oz
Nose weight 10.0 g 0.4 oz
Flying weight 420.0 g 14.8 oz



Recommended RC
Rudder & elevator 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






Reviews 13  


 Review by:

x res

Excellent quality parts and cutting.
English build instructions would be a help, as with the wing centre section its quite easy to go wrong. Very important to fully trial fit all ribs and spoiler box before gluing anything.
Still building.


 Review by:

I received this order today, and everything is perfect. These are the nicest kits I've ever put my hands on! I've been reading up on the RC Groups build thread, and I plan to take my time to ensure a careful and well executed build. They actually look like they're made to go together rather easily, so hopefully everything goes smoothly.

It is a pleasure doing business HyperFlight, and thanks for your efforts in making sure my package arrived safe and sound.


 Review by:

x-res

ordered a x res on all the great reviews, and I had been looking for some thing to build, the kit has the best wood I have seen hands down,like select picked!
build was a blast! I want an another one, it came out straight and clean. and it fly's like it!


 Review by:

Well Designed 2 Meter Sailplane Kit

Fortunately, there was time available over the last week and when the X RES arrived (about 5 days shipping to Cincinnati, Ohio) I got straight to work. Was able to find an English version of the instructions online and together with the provided information assembled the plane without a hitch. The CNC cutting was good and the balsa was also. However, I was not able to install the top flange of the wing beam so that it touched the web. I had to fill the gap with epoxy. Also, the kit was missing a small CF piece. Otherwise the kit was an enjoyable build. Looking forward to finishing it now.


 Review by:

X-RES

The kit is amazing. Wood, hardware, and design. Wish I spoke German but I was able to find great English instructions on www.rcgroups.com.

Even more impressive than the kit was the service I received from Hyperflight once the kit was in stock. I received my kit in less than a week in perfect shape thanks to an excellent packing job.


 Review by:

The X-RES is a Winner!

This was my first CNC produced kit. I have to say this kit was a pleasure to build and finish. Having build many previous kits the lack of good English instructions wasn't a problem. The plans are well done and easy to read.

Where this model really shines is its performance. On the fourth or fifth hand toss I was able to "thermal out" for a nearly 9:00 minute flight. I have already had a lot of fun flying the X-RES and we have yet to launch it with a high start. This is not a kit to missed!!


 Review by:

X-Res

Quick response to questions, prompt delivery. Group buy of kits delivered from England to Ohio USA in just 8 days.


 Review by:

X-RES

The X-RES kit arrived in New Zealand just 4 days after ordering, the kind of exemplary service that Hyperflight have provided with everything I have bought from them.

Good packaging meant that everything was in perfect condition and as soon as other projects allowed I started the build. Everything fitted and I'm sure the model could be built straight out of the box, but a little light sanding here and there and the odd shave in corners with a knife pays dividends. The quality of materials is very good and accuracy of the parts exceeds anything I could do by hand.

It pays to take your time and plan ahead as the supplied DVD instructions have suffered a little in translation, but reference to the photos and Greg McGill's on line build site are sufficient guide to ensure construction is straightforward. I still have the covering to do but this is a fine kit and a pleasant build. If it flies as good as it looks I shall be more than happy.


 Review by:

X RES

Simply the most beautiful kit I have ever built,everything fits as you would only ever dream of, if this is the future I will be doing a lot more balsa bashing. The basic build has been easy to achieve in only three days, I intend to fly this mainly on the slope on days when everything else is grounded,so I have fitted a ballast tube and I'm glassing the fuz.
I will update this when I have a flight or two under its wings.


 Review by:

X-res

Ordering process is simple compared to some other sites and delivery was prompt. The kit was easy to build with the parts fitting well except near wingtips where CAC cutter didn't get the spar notches in the small ribs quite right. Fairly easy to make the advertised flying weight when built to plan.


 Review by:

Hyperflight and the X-res

Excellent Service! Received package in 4 days. Ordered Sunday night received in Utah USA that Thursday.

Kit was perfect everything fit and engineering was outstanding. It came in a 452 grams weight. Hit a thermal at first launch. VERY PLEASED!


 Review by:

X-RES Flight Review

For myself, even without a lot of time yet on the airplane, I find it inspires confidence. I set it up initially with +/-100% throw on both rudder and elevator, and quickly reduced that to +/-70% on rudder, and +/-60% on elevator. The result is an airplane with control authority, that feels precise at all times. I do not hesitate to roll over into a circle at eye level to work the small stuff down low. Even with only three sessions on it, I've climbed out several times from maybe 20 feet.

The response by another who flew it at last weekend's Hiss and Boink contest says it all: he would not give up the airplane to anyone else, and between heats, he spent his time hand-launching it, over and over. I suspect he flew the airplane over two hours without pause. His official comment: "At last, an RES airplane that actually responds to the rudder!"


 Review by:

X RES Kit and Build Review

Here in Albuquerque, we are looking at as many of the current crop of 2-meter RES gliders coming out of Germany as we can manage. We have done the PuRES and the Slite. The latest one completed is the X-res.

The kit arrived in good order from hyperflight in the UK, no damage whatsoever. The plans are good, and the pictures in the instructions (despite being in German, and us Americans being totally deficient in foreign languages) make for straight-forward construction. Parts are CNC-routed from good balsa and excellent light plywood. This kit differs from the others we have on hand, in that there is no structural carbon: fuselage and wing are entirely wood. The design features an all-flying horizontal tail with a pylon made of flat carbon sheet, also CNC-routed.

The wing construction is a wood I-beam with spruce spars on a routed shear web, that is sandwiched in a sheeted D-tube leading edge. I've built this way on other airplanes in the past, and the result is typically rugged while light. The X-res fulfills the promise. Construction of the wing is non-traditional for me, in that the structure is pulled up off the building board before the D-tube is fully sheeted. Even so, the wing came out very straight in both examples we built. Another feature is a false leading edge that is fabricated from scrap 2mm wood taken from the sheet that carries the ribs. Nice conservation of material. There are angle templates for the root ribs. Finally, the kit includes templates for the wing leading edge, to assure proper profile. There are soft, light plywood and made shaping easy. We are confident we obtained the correct leading edge profile.

The fuselage uses thin plywood doublers on balsa sheet, with a hard balsa longeron at each corner. All the bulkheads (plywood from nose to wing trailing edge, balsa sandwiches aft from there) all fit very nicely. Again, easy to build straight and true.

The tail surfaces are built-up from interlocking pieces of balsa into a pleasing shape. While just flat plates, they appear to be able to resist (because of grain direction) warping. They assembled easily on a flat board without need to pin down on a plan.

We encountered two issues with the design. First is that the thin plywood doublers on the fuselage do not allow for the longerons, which have to be laid down over the 1mm step that results. Our solution was to feather the plywood, making a ramp. On other kits, similar doublers are cut to provide balsa-to-balsa contact between longerons and sheet sides. We still obtained straight fuselages that have no gaps. Second was an absence of any material to make the wing locating peg. The center rib has a 5mm hole for a rod almost 5cm long, to engage a 5mm hole in a fuselage bulkhead. I found a 5mm thick-wall carbon tube at the hobby store that fit exactly. Neither kit of our two samples had any rod material.

We built both ours with Hitec HS-65 servos for rudder-elevator. We chose HS-65s because they (1) fit; and (2) we had them on hand. You can get by with smaller, cheaper servos. We used an old, discontinued counterpart to Dymond D47s for the spoilers, again because they fit and were already paid for. Any small servo should do the job. We just wrapped the spoiler servos in tape, and glued them directly to the underside of the wing sheeting. There are holes in the ribs to allow passage of the servo wires.

Final weights are between 390 and 420 grams - very nice. We haven't flown ours beyond a few hand tosses of one, but the promise is there. We are waiting on weather, now.

If I get a chance to build another, I will most likely truncate the fuselage at the tail by about two inches, in the hope of reducing the need for nose weight.

We think this is a good kit, with excellent materials and a high probability of being built straight, which means it will also fly right. Dealing with Hyperflight has been pleasant as well. The fuselage doubler situation and the missing locating rod make this a 4-star rating.


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