Dynam Hawk Sky Review

I bought a Dynam Hawk Sky a couple of weeks ago from Nitroplanes.com and here
is a little review.
The package was delivered without any issue. The foam parts were packaged well. Plugged in the LiPo to charge on the provided balance charger. The charger gave a wierd high-pitched sound when charging, I guess that was normal as the 2 LEDs were green. It took about 45 minutes to charge. The instruction manual is poorly written, so I would suggest looking for some help online. If you have previous RC experience, most of the construction is common sense. The horizontal stabilizer and the rudder were attached using 20 minute epoxy ensuring that the parts were square. The rudder and elevator clevises are a couple of brass attachements with a screw to hold the push-rod in place. It was quite flimsy in my opinion, will get to that in a minute. I let the epoxy harden overnight. The aeileron servos/push-rods came installed. The wing installs by sliding each side into the fuselage after connecting the servo leads. There is a plastic tube that goes between the wings to add some strength. The wings are held in place by the tightness between the wing root and fuselage. I found that a little unsettling, hence added a couple of pieces of electrical tape for good measure. I would have hated for the wings to come loose in flight ๐Ÿ™‚

I wasn’t too sure about the 2.4GHz radio system that came with the plane, so I replaced the transmitter/receiver with a Tactic system from another plane that I had. The stock servos worked with the Tactic system, so I left them in place.

The motor connections required a bit of maneuvering as the motor wires had to be pulled through the foam area on the mount into a vent hole just under the motor mount (see pic above). This required a bit of patience as the hole was very small.The first flight was uneventful. The brushless motor has plenty of power for a good climb. The plane is very dosile and it is difficult to do rolls with the huge wingtip dihedral.

My first take-off was on asphalt using the landing gear. Later did hand-launches. It glides really well as I was flying at 1/2 power with a flight time of about 20 minutes. The stalls are predictable, with a bit of spiral to the left. Since the plane glides very well without a significant drop in airspeed, the landing descent was started early on idle. I had to use a bit of down elevator to keep the decent as it would have otherwise over-shot my landing mark. The rudder works well at low airspeeds as well. The first landing was a bit hard and the elevator clevise came loose. I ended up twisting the pushrod in the hole of the control horn to keep it in place for the second flight. I would recommend that this be done for all surfaces. I tested a payload capability with a 160g battery pack, and the plane handled it without issue. I will eventually be using the plane for my Ardupilot Mega autopilot. There is a generous amount of room in the fuselage as the elevator and rudder servos are mounted outside.

Ultimately, I think that the Hawk Sky is a great beginner plane and defintitely a good platform for an autopilot system. It looks good too!Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest

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