The 39" Crack Yak-55 is finally here... the long awaited bigger brother to our well known Crack Yak-55 model. New wing core with tapered tips is one of the new features creating a much larger flight envelope for strong wind capabilities. Other items include added T-Canalizer and new SFG placement for amazing KE stability at any alpha. This is a fresh new ground up re-design. Chris Jewett's original world renowned 32" Crack Yak-55 has been our go to foamie and it is now crafted into a larger size for an even more intense flight envelope.
Those that are familiar with the previous 39” models will appreciate the new hardware and construction methods with adjustable push rod assemblies EPP bracing techniques for easy assembly. While creating a new ground up air-frame the duel aileron servos were re-located to create a plush/clean look. The over all flight envelope has increased greatly giving a sense of unreal control authority and increased roll rate was also achieved with the addition of outer counter balance tabs. This model was designed for the pilot wanting to learn the “next step” and also those who choose a balsa 3d model alternative
Wing Span = 39"
AUV: 375-390g (depending on components used)
Full EPP construction
Carbon Fiber landing gear
Extra-large control surfaces
Incredible control authority
Smooth pattern performance
Ideal 3D trainer
Recommended Required Components:
45-60g 1000kv brush-less motor
(4) 10-16g Servo’s
10x3.8/10x4.7 Slow Fly Prop
3s 600-1200mah Lipo
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I'm a real Twisted Hobbys fan. I have a stable of Twisted Hobby planes. The 43" Big Beaver, 43" Veloxity, 48" SBach, 33" Clik NG, and five 39" Crack Yak-55's. I listed the foregoing in order of my personal preference for each plane lowest to highest.
The Yak 55 is my all time favorite of all of the 30 or so planes that I have owned. My first one was destroyed in a mid air and my second was sold to a friend and I still have 3 of them. I have flown these planes for about a year and a half and purchased them specifically to learn 3D. I have not been disappointed. My 3D abilities have taken a quantum leap with the Yak 55. In some ways I'm the envy of the field now, but still have a long way to go. This plane will do it all so it's a great trainer. A friend just bought one who has been flying a short time. This plane will be gentle with a beginner or do anything that any pilot can put it through. I'm a real fan and intend to never part with these planes. On the downside once the wind is above 7 or 8 mph this plane is done. I have learned flying these planes where it's structural weaknesses are; that is; what will break when it crashes. As a result, I have fortified the plane with tape and welder's glue in strategic places and have even put carbon fiber support on the nose, and a 4mm carbon rod across the top wing surface. The result is phenomenal. I highly recommend this plane to anyone at any level who does 3D
Nice plane, goes together easy...flys great but Im not sure yet about those little bitty pins in the linkage. Time will tell.
I originally purchased the 39" Yak55 in grey. I hated the color; it's very bland so I bought this one in the multi color scheme. I should have rated my previous purchase at 4 stars because of the color scheme but this one is definitely a 5 in every dimension
I bought it with all of the power combo pack and recommended accessories by Twisted Hobbys. I have to say that I don't care for the control arms for the elevator and rudder and the clevis hook ups. So I went outside the box and made my own which was much easier and just as effective. I flew the Yak for the first time yesterday and once again what a great flyer!! Immediately was doing prolonged hovers and torque rolls. Love this airplane. It was a moderately windy day but the wind didn't seem to be much of a factor.
The Crack Yak 39 is one of my all time favorites in any size category and I've flown up to 40% gassers and turbines. I currently fly two of them and bought the third to put aside in case the model was discontinued or I damaged one of the others flying it very hard. If you are going to push it, I would recommend digital MG servos all around. Great model.
Went together great. Ready for flight
I have quite a few Twisted planes and this is the plane that serves all conditions. With the stock motor the speed range is good to even fly in winds up to 18 mph. The plane is very floaty as well. It such a pleasure to fly in calm conditions. Easy to hover yet rolls quickly too. If going to the beach this the plane to take on vacation as it covers all conditions.