The Dynam RC Su-26m is a superb aerobatic airplane. Most all the work has been completed in the manufacture process, from assemble to paint to installation of the electronics, it has been all done for you, even before you open the box! All that's left to do is about 1 hour of final assembly and radio installation.
The Dynam Su-26M is an awesome high performance aerobatic stunt plane designed to perform complex 3D moneuvers with ease. The aircraft is painted in a vivid red paintscheme which looks just as great up close as in the air. Like all Dynam aircraft, the Su-26M is made from durable EPO foam which is both light, strong and easy to repair.
The EPO foam is some of the most crash-resistance material in the market (which you will not need since this is a gem to fly). The take off is easy from most hard surfaces or very short grass-field. The large brushless motor provides plenty of power which enables the Dynam SU-26m to perform many aerobatic stunts
Build time is around 60 min from box to air. Expect flight time to be from 6-10 minutes
- Powerful 3720 brushless (650kv) outrunner brushless power system
- 50A Brushless ESC with Switch-Mode BEC
- Durable and lightweight EPO construction with many surface detailse
- Suitable for Both Intermediate and Experienced Pilots.
|WingSpan||47.2inches / 1200mm|
|Length||45.9inches / 1165mm|
|Servos||4 servos installed ( 2 x 9g & 2 x 17g - installed)|
|Battery||Factory Recommmend 2200 14.8v 20c(Grayson Recommends 2600-3000mAh 14.8v 30c)|
|Motor Size||3720 (650kv) outrunner brushless motors (installed)|
|ESC Size||50A Brushless ESC with Switch-Mode BEC (installed)|
|Prop Size||Dynam 13 x 7|
|Radio||4 Channel (NOT INCLUDED)|
|Charger||4S+ (11.8v) Lipo Charger (NOT INCLUDED)|
|Receiver||+4 Channel (NOT INCLUDED)|
|Flying Weight (AUW)||45.9oz / 1300g w/Battery|
|Flying Time||5- 10 Minutes with the Grayson Gold 2600mAh 11.1v 30C or longer|
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- WOW, What a smooth flying plane! Review by 007
I have flown her now four times. The first time I only had to trim her with a few clicks to aileron and a few up clicks on elevator. She flies very straight and reminds me of a pattern plane with the way she moves. My rates are low and expo is up around 50 on all surfaces.
I run a gyro in her and ran her in 2d mode the first time as I got ready for trimming.
The second time I flew she got unleashed on low rates without gyro. I do find I have to move CG back a bit from what manual recommended in order to hover properly. With factory recommended CG hovering is only possible for a short while. But, to hang her out to dry in the air you're gonna need to move the CG Back to your liking.
The blenders and snap rolls were fun and pretty easy. Flat spins are gonna have to be done on higher rates and with a CG change, for me at least. Her balance point just didn't give the flat spin I wanted. She easily pulls out of hard maneuvers. Her power and control surface area seems to make violent recoveries relatively simple. This is where her lightness come in handy. She recovers without much issue concerning wing loading. Excellent aerobatic capability.
Two other flights after this trial aerobatic run all went just as well. Wind will be problematic and a definate consideration. You've gotta plan for this plane to get tossed by the air currents. It's fun, but landing in the wind will need to be accounted for- no different than any other plane we fly though. She is not heavy though, and wind will push the airframe around quickly and effortlessly.
Landing were surprising. I don't think I ever flown a plane that lands this well. It can grease the strip at higher speed. I brought it in slow too and she settled down just as well. I would recommend a little more speed than not in terms of landing rather than floating in. 1/8 to 1/4 throttle landing is where I found comfort. No weird or unexpected twitching tendencies. She does tip stall, so watch out on low tight corners. You can glide it in at speed to land but better bring it in under some power.
Here are the Mods you MUST do:
1. Control horns stink. Just redo the tail feathers entirely. Horns, servos, hinges.
2. Replace both rudder and elevator servo. Awful, just awful. I went with HS82's fit perfectly.
3. Glue/reinforce firewall. I used carbon rods and epoxy. Be ingenious but secure it. They use only a small of glue. I saw it for myself when removing the wall. Pathetic work, even by current Chinese child slave labor standards.
4. Locktite everything!
-rod screws (those little brass barrels with the screws that secure the rods.
5. Hinge tape all foam hinges/ or CA hinge. Just make sure you do it for security. They will break apart.
6. 14 x 8 or 13 x 6.5 prop. Some even run a 14 x 10. I run a Master AirScrew Electric 13 x 6.5)
7. New ESC? Miy Dynam ESC is still installed and it seems good but you gotta set it to low. Motion RC has a video detailing it.
-set throttle on ESC as well. Trim it down to very bottom then set it. Then bring it up until the prop just about starts moving. Then about four clicks down.
8. Reinforce that landing gear!! Glue to goodness out of it!! or you can do a plate mod. I just glued it and its been good for me. But so far the landing are good.
9. Balance prop and CG of plane.
10. Get a prop nut and ditch the stupid unbalanced spinner. It's junk.
11. Add magnets to battery compartment cover and velcro the gap behind cockpit. Dynam was careless and this part doesn't fit properly. Just velcro it.
12. Glue cowl on. It falls off in flight. just tack it. You may need it off some other time.
13. Either floor wax or polyurethane (water based) the plane before assembly. The paint will smudge otherwise. Plus it adds to its slippery nature in the air and adds rigidity.
14. Drill air vents in the fake plastic engine cover to cool ESC. About 10 holes equally spaced. Unnoticeable.
*15* (turnigy ESC) 50 plush. I have one but have not installed it yet. If you run a gyro like me then I would recommend it for the BEC. I will do this soon. If no Gyro then I wouldn't worry about it.
These are the foundations of making this plane what it should look like from the factory. It's fun doing this work and it pays off in the air. These things make this plane fly like a very expensive plane. It's worth the time and you get to know your plane inside and out. Do this and you will have successful flights without the worry of gremlins ruining and otherwise perfect day at your airfield.
(Posted on 10/13/2016)
- Great Review by robert kuras
- flies great but don't neglect to check reviews and correct a number of items. Review by Gerald Rainforth
This model does not have the bad habits of a very similar one from a different mfr. Since I don't have 4 cells I installed a more powerful 1000kv motor to use my 2600- 3300 3 cells. Very satisfying!! (Posted on 3/22/2016)
- Great Plane - Best so Far Review by Roberto
I may add the Eagle Tree gryro to 'help' with my knife edges and hoovering.
(Posted on 2/8/2016)
- Fast and aerobatic Review by SandyGabby
Strong vertical with almost unlimited up line. Good 3D capabilities and also a good sport flyer. (Posted on 10/2/2015)
- Review by Tony Johnson
For the money it's a real bargain and great flying plane. (Posted on 2/14/2015)
- Review by Dawn Sponholz
- Review by Leonid Shohedbrod
Buy I want to mention a high quality of Graysonhobby customer support:
I received a motor replacement very quickly, relatively chip shipping. This plane is a great flyer. It can fly and land slowly. Very easy to build and it looks great in the air. (Posted on 2/21/2014)