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Dynam ME-262 Review Print E-mail
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Wednesday, 05 June 2013 18:16


History

The Messerschmitt Me 262 Schwalbe (English: "Swallow") was the world's first operational jet-powered fighter aircraft. Design work started before World War II began but engine problems prevented the aircraft from attaining operational status with the Luftwaffe until mid-1944. Compared with Allied fighters of its day, including the British jet-powered Gloster Meteor, it was much faster and better armed. One of the most advanced aviation designs in operational use during World War II, the Me 262 was used in a variety of roles, including light bomber, reconnaissance and even experimental night fighter versions.

Me 262 pilots claimed a total of 542 Allied kills (although higher claims are sometimes made). The Allies countered its potential effectiveness in the air by attacking the aircraft on the ground and while taking off or landing. Engine reliability problems and attacks by allies on fuel supplies during the deteriorating late-war situation also reduced the effectiveness of the aircraft as a fighting force. In the end, the Me 262 had a negligible impact on the course of the war as a result of its late introduction and the consequently small numbers that were deployed in operational service. The Me 262 influenced the designs of post-war aircraft such as the North American F-86 Sabre and Boeing B-47 Stratojet.




Intro

For just about as long as I can remember, I have wanted to fly an ME-262 RC Airplane. Shakey Thumbs and I used to play flight sims over our 2400 baud modems and talk about how cool the 262’s looked. It has been a long wait but the 262 is finally here and in my hands. Thanks to Dynam!

Kit Contents

The Airplane comes in a huge box, due to the long fuselage. The Dynam ME-262 comes in two flavors, RTF and ARF. I opted for the Almost-Ready-to-Fly model. The ARF kit includes the fuselage, wings, nacelles, motors, EDFs, an instruction manual, glue, tools, stickers and spare parts. All of the electronics are included in the kit including: 2x60amp ESCs, 2x 70mm fans powered by 2x 3500kv brushless motors, 5 servos (4-9g and 1-12g) and servoless retracts. I always love seeing extra parts like EDF fans, clevises, and even pre-bent rods for flaps (if you choose to install them).

     

   

Assembly

Much of the 262 comes pre-assembled which gives us hobbyists more time for flying. The first step out of the gate is to glue the massive nacelles to the underside of the wing. These will only be secured to the wings with epoxy so it is imperative to sand off all of the paint of the connections and get a good rough patch of foam built up. I’d also recommend getting an extra pair of hands to help epoxying the nacelles. Using a generous amount of 5-min epoxy my lovely assistant and I permanently secured the EDF/nacelle units to the wings. It was messy but we made sure they were tight!

   

After gluing the fan units we connected the EDF motors to the corresponding colors (red, blue, black) of the ESC. The wings slip over two carbon rods that feel stiff enough to tighten the flapping of large wings. Once the wings were together I pulled all the wires through and connected them to their appropriate spot in the receiver. Be aware that there may be an extra “y” connector hanging off of one of your retract lines or elevator wires. This “y” is for the two escs to plug into the throttle channel of your receiver.

With the wires connected, I dropped the vertical stab into place and secured it with the proper screws. The elevator is slipped over a carbon rod and is glued to the vertical stab. Once again, make sure and sand off the paint from the connection areas of the elevators. The elevators can be secured using Foam Safe CA, Epoxy or a sticky glue of your choice….Elmer’s glue is not recommended.

    

   

The wing is secured with 45mm long screws and they feel very snug and tight on the fuselage. This is a definite must to keep the wings from ripping off of the fuselage. Once the plane is done it is important to give all of the control surfaces a ‘once through’ to make sure the clevises are snapped tight and that all the trims are level.

At this point the plane is pretty much together and is only in need of decals, and since stickers are my arch nemesis I called upon my sweet lady to apply them.

   

Features

The Dynam ME-262 features an impressive 59” wingspan and an overall length of 50.5”. The 262 is a beastly plane weighing in at just over 5lbs and with the recommended 4S 4000mah battery stuffed in the nose the jet is just about 5.5lbs. The recommended CG is 115mm to 120mm behind the leading edge. With the battery pushed all the way to the front I found that the plane balanced right at 100mm. This can be easily adjusted by moving the battery. As you will read later I highly recommend balancing the CG around the recommended 115mm!!

The two 3500kv motors and 70mm fans produce a delightful 113 amps of electricity and 1670 watts of pure air blowing power. The ol’ German jet sounds impressive!

The Dynam Me-262 features a realistic paint scheme and clean lines. The electric retracts seem to work flawlessly, but we’ll see how long they hold up under pressure.

 

First Flight

In a word: Catastrophic. Everything started well, but then quickly turned for the worse. I checked all the surfaces on the plane about 21 times before taking her up. I balanced the CG just as bit forward (105mm) of the recommended 120mm CG in the manual. I knew she was a little nose-heavy but it’s better to be safe than sorry on first flight. I also knew that the elevator did not have a ton of throw in it, but I figured that being an EDF, it did not need a lot. This was a mistake.

I set the giant plane on the ground and rolled on the throttle. She came to life in no time and popped up from the ground with ease. As she climbed to a comfortable level I flipped the gear up and leveled her out. Immediately I could tell she was very nose heavy and I had to hold a large amount of elevator to keep her from dropping. I was going to make a turn and trim the German Fighter out as I flew by, but she never made it out of the second turn. I started banking and after I banked I pulled back on the elevator but there wasn’t enough to pull out of the steep bank. The bank went steeper and steeper but there was nothing left and she went straight into the ground. Fortunately a tree broke some of the plane’s fall, unfortunately the tree also broke some of the plane.

After 10 months of waiting I managed to crash the beautiful plane in 20 seconds.

Defeated I packed everything up and went home to assess the damage.

As one of the old timers mentioned after the crash “I was lucky I hit one of the softest trees at the field”. Once I was home I saw that he was right. Although there was some definite scarring on the plane’s smooth foam, for the most part the damage wasn’t all that bad and could be fixed!

A night spent with some glue and whiskey and the plane was ready for the re-maiden!

   

   

I couldn’t have asked for a better day when I drove to the field for the re-maiden. The sun was bright and the wind was blowing somewhere else. After going over the pre-flight checks numerous times I was finally ready. The 262 balanced right around 115mm from the leading edge and the elevators were flush with wide movement. As before, the plane took off without much effort and with the battery farther back it immediately felt ‘lighter’ than before. The German Fighter still needed about 8 clicks of up elevator before it flew level, but once it did….oh baby it was nice!

The large bird moved through the air with ease and at ½ throttle it felt like it had plenty of power to navigate all the loops, turns and rolls I put it through. I did a couple of high speed passes and was pleased with how well the 262 scooted. After a short 4 minute flight I set the bird back down without incident and found that my 4000mah battery still had about 3.70 left in each cell. The batteries were warm and the ESCs were definitely warm (not Hot, but close) to the touch. The plane could definitely benefit from some cooling holes, especially if high speed passes are the soup de jour.

I was thrilled to have the Dynam 262 back down on the ground without an incident.

   

Flight Characteristics

The Dynam ME-262 flies beautifully! I was very happy with the flight characteristics and power from the large warbird. The dual 70mm fans pump out a satisfying 1670 watts of power that is on reserve with the push of the throttle. The 262 has a gentle stall envelope given the airplane’s design. It’s a heavy bird so it needs power to fly but I didn’t sense any nasty tip stall characteristics when I lay back on the throttle. The roll rate is satisfactory and with the elevators on the 2nd most inner hole there is plenty of elevator movement for loops and other trickery.

The 262 handles the wind fairly well but given the large wingspan and power I would high recommend flying it at a larger, open field.

Despite ripping the wing off and gouging the hell out of it, the repaired ME-262 flew very well.

Takeoffs and Landings

For an EDF this plane takes off without much runway. I never once blasted the throttle to ‘full’, only about ¾ and the warbird needed only 20 feet or so to get airborne. The plane doesn’t need an excessive amount of elevator to get off the ground so be careful yanking it back.

Landings take a bit of room since the Dynam Warbird carries a good amount of speed. Be cautious of landing with too much power. I flicked the throttle off once the plane was in line with the landing strip and it glided down angelically. The retracts seem sturdy enough and I have seen this plane take off from short, cut grass, but I’m not entirely sure how much abuse they could withstand, only time and abuse will tell.

Is This Plane For a Beginner?

No this is not a beginner plane unless that beginner is Chuck Yeager. Too big, too fast, too advanced for someone that is just starting out.  

Elevator Issues, Hot ESCs

In reality there are not too many ‘issues’ with the elevator other than the stock setting is not enough to effectively navigate the plane. It’s entirely possible that this may change from plane-to-plane but I found it to be unsatisfactory. Another note about the elevator is that the control rods seem a bit too flimsy to adequately do the job. They bend under pressure and this can certainly cause a loss of control if you’re coming in hot. Make sure everything is tight or know the rods may need shoring up.

By now it’s common knowledge, but the ESCs on this warbird run hot if you do any sort of spirited flying. It is a wise idea to cut out some cooling vents in the nose to allow for clean, cool air to move across the hot ESCs.

Conclusion

It took many months but I finally got to fly and review the Dynam ME-262. Was it worth the wait? I think so, I was so pleased with how well it flew and the amount of power that was on tap, I just wish I could’ve tapped into it months earlier! It’s also nice to see the plane take a beating and keep on screaming. The foam is tough and even after a nasty crash it can be glued back together. I am pleasantly surprised with the plane and look forward to many more fun flights with this beast!

GRADE: B+

Pros

Good Paint

Lovely power

Great flyer once dialed in

Takes a lickin’ keeps on kickin’

Neutrals

ESCS run a bit hot, add some cooling vents!

Cons

Stock elevator throw might need a more aggressive adjustment depending on where CG is placed

 

Media and FLIGHT Time!

   

   

   

   

     


REVIEW Video:


 

CRASH VIDEO:


 
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