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Sukhoi

Hangar 9 | Sukhoi ARF

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 H9Sukhoi
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FEATURES

The full-scale SU-26 is a very potent single-seat aerobatic aircraft considered by many as one of the best acrobatic planes in the world. The Sukhoi is famously known for its acrobatic prowess.

Sukhois have emerged as a family of superior aerobatic airplanes, allowing pilots to use them for world-class aerobatics competitions and exhibition shows. The majority of international contestants enter unlimited aerobatics competitions with Sukhoi airplanes, and numerous competitors have captured international aerobatic championships. Characterized by its round cowl, the Sukhoi demonstrates superior acceleration and rate-of-climb performance, excellent controllability, high level of permissible g-loads, an all-round field of view from the cockpit and unsurpassed structural integrity.

The Hangar 9 Sukhoi SU-26MM is capable of a limitless display of extreme 3D aerobatics. Designed by world-class competition pilot and designer Mike McConville, the new Sukhoi SU-26MM is constructed from durable, lightweight balsa and plywood and covered with a vibrant UltraCote® trim scheme which gives it an electric fierce look .

What sets this world-class scale aerobatic plane apart is the completely optimized design that makes this a true precision and 3D aerobatic performer. With numerous tweaks to the entire design, the 97-inch, 85cc SU-26MM masters unsurpassed precision maneuvers and excellent visual presentation. Strong rudder authority provides extreme yaw, while the absence of rudder coupling means virtually no mixing is needed for this model. The Sukhoi has low wing loading and also has exceptional aileron authority at all speeds—enabling the plane to roll fast even in extreme 3D high alpha. Using an 85cc gas engine, the SU-26MM is a high-powered scale aerobatic performer. And, due to its lightweight engineering, only one high-torque servo per aileron whereas most models this size require two.

The level of completion of the Sukhoi SU-26MM ARF is beyond comparison in the giant-scale market. Most of the high-quality Hangar 9 giant-scale hardware is included, and even installed, equaling a great assembly time savings for the modeler. The kit comes highly prefabricated with the fuel tank, hinges and control horns installed and hinge lines sealed, so you don't have to wait long to get flying. Other top-quality, durable components include a fiberglass cowl and lightweight aluminum landing gear. It also comes ready to accept canister exhaust systems. And to top it all off, a very lightweight fiberglass, helmeted pilot figure painted to perfectly match the vibrant trim scheme is included.

Other smart design features include a two-piece wing and stab that ensures convenient storage and easy transport to and from the flying field.

Key Features

  • Vibrant, modern UltraCote® trim scheme
  • Only one high-torque servo required per aileron
  • Plug-in 2-piece wing and stab
  • Hangar 9 giant-scale hardware included
  • Factory-painted, lightweight fiberglass, helmeted pilot figure
  • Comes highly prefabricated and factory-hinged with control horns and fuel tank installed
  • Hinge lines come already sealed
  • Lightweight, durable aluminum landing gear
  • Sleek-looking fiberglass cowl
  • Designed by world-class aerobatic pilot Mike McConville
  • Perfect match for the DA 85 gas engin
 
SPECS Sukhoi
Wingspan 97 in (2464mm)
Wing Area 1762 sq in (114 sq dm)
Length 91.14 in (2315mm)
Weight 21.5–24 lb (9.75–10.89kg)
Engine 58–85cc gas
Servos

# 6 hi-torque 180 oz. of torque (7 if using 2 servos on the rudder)
Radio

6 Channels
     
NOTES
Three important design factors of a great flying aircraft follow. This plane is well designed in all of these areas.

1) Low pitch coupling - when the rudder is applied, most aerobatic planes pitch to the belly. Reducing this is extremely difficult to do. The relationship between the thrustline, wing location, stab location and rudder shape are critical. Typically the stab is located on the thrustline, the wing is just a little low, and the rudder area above and below the thrustline is as even as possible. If incorrectly designed, serious flying problems result. When you are flying straight and level and you use the rudder to adjust the flight path, or if you are flying knife edge, or if you are simply flying a loop and you are using rudder to stay on track, the last thing you want is the plane to pitch down with the application of rudder. This can be controlled with mixing in a computer radio, but cannot be eliminated in all aspects of flying. If the plane isn't designed for low pitch coupling, then it will be a real handful to fly precisely.

2) Low roll coupling - when the rudder is applied the plane may roll. This is due to the dihedral in the wing and the shape and position of the rudder. The more the dihedral the more the plane will roll with rudder (called proverse roll coupling), however, too little dihedral will make the plane roll the other way (called adverse roll coupling). This must be designed in during the prototype stage so that there is none. This can be designed into any aerobatic plane. Just the same as above, when you apply rudder, you want yaw only, no pitching, no rolling. This really shows up in slow rolls. You will noticeably see the roll rate of the plane speed up and slow down when you use the rudder. This makes you look like a bad pilot.

3) Wing Loading - the relationship between the weight of the plane and the size of the wing. When you get a plane, starting off with a plane which comes out light is the first step. Starting with a heavy airframe is difficult (and expensive) to overcome. Keeping weight to a minimum is critical to many aspects of performance. This is something that the designer has control over - but the pilot can have a large influence on this as well. When we recommend parts to the pilot we suggest the lightest parts possible.
 
PHOTOS



WARNING - Gasoline and Turbine powered aircraft are not manufactured to withstand unlimited G's. Any aircraft can fail, be it a wing folding up or a fuselage breaking in half under too high of a load. Just as any full size aircraft, model aircraft have a maximum G rating. Because you are not in the plane flying it and experiencing the G's and reading the G-meter, it is more difficult to judge the G's on the aircraft, and it is very easy to exceed the limits of the aircraft. Understand that if you perform a snap roll, parachute, wall, blender, knife edge loop, or pull hard on the elevator at almost any speed, you can be putting in excess of 15 G's, even in excess of 30 G's, and most aircraft can only designed to take 10-12 G's. If you perform any violent maneuver, you can break your plane. When I perform hard maneuvers, especially for the first time on an airframe, I am prepared for a failure and am prepared for it as best I can be. This mainly includes performing the maneuver far enough away from spectators that in event of a failure that I am not endangering others. In addition, be prepared for the manufacturer to not pay for a new airframe which is broken during flight. It is common practice for any manufacturer to not replace an airframe which breaks in the air or upon landing. I have only seen manufacturers replace airframes when they have received many of the same failures and the manufacturer determines that there was a design or manufacturing error. If you break an airframe, and you are the only one to do so, then it is probably not the fault of the manufacturer. Please fly safely, and avoid full throttle operation other than at low airspeeds.