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New Somenized (TM) 69", Yak-54

 
Old 05-15-2007, 11:49 AM
  #26  
Rezagh
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Default RE: 69" QQ Yak-54

Dear All,

I finally got to fly the New Somenized 69", Yak-54. I got totall of 4 flights. Flight 2 and 3 are taped for your viewing. Here's my short report on this:

Yak-54 69", Brio Scheme
OS 1.20 AX, APC 16x8
JR 8411s
Duralite 2 cell-2150 Li-Ion
Duralite Heavy Duty Switch and Regulator
AUW w/o SFG 8lbs 13oz

In my first and second flight, plane was a little nose heavy due to a very light battery and a fairly heavy spinner (4.5 oz). Plane would pull towards the canopy a little but show an amazing stability in rolls, hover, harriers, point rolls. Only draw back was nose would drop in flat spins and I needed to push a little harder in inverted flight.

3rd flight I took the spinner off and plane just felt like my 102". Almost perfect CG. I had to lightly push in inverted flight, almost just a touch. Everything felt very easy to do. SFGs did help in harrier and knife edge stability. Made the rolls a little slower which would help those who want to learn 3D flying to have more control over the plane. It was a little harder to start a torque roll with SFG on because of more drag but you could still torque roll the plane. Again another advantage for sports flyer to learn this maneuver and be able to observe the plane torque rolling. Sometimes plane torque rolls so fast and strong that sport flyers are not able to keep up with it. I could get the plane to do that without SFG but if you put the SFG on, you will see a slower torque roll.

Ailerons, Elevator and Rudder were as effective as a 50-100cc plane. Only difference was, plane felt LIGHTER and EASIER to fly.

Quique recommends 17x6 prop but unfortunately my LHS didn’t have one so I test flew the plane with APC 16x8. Prop was lacking static pull but was great for precision flying. I would also recommend 17x6 if you would like to do more 3D than precision.

The only thing I had problem with first 2 flights was the wheel pants After tightening the nut, that problem went away also.

If you are looking for a plane to start learning 3D and Precision, this should be the answer to your need!

We will have this video or another one later on www.QQAircraft.com. For now please watch video number 10 on www.RCModelAviator.com/Videos.html

Plane will be available Mid June!

Regards,
Reza Gholamipour
Quique's Aircraft Support
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Old 05-15-2007, 11:53 AM
  #27  
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Default RE: 69" QQ Yak-54

Some pics
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Old 05-15-2007, 11:54 AM
  #28  
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Default RE: 69" QQ Yak-54

Rezagh, thanks
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Old 05-16-2007, 07:06 AM
  #29  
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Default RE: 69" QQ Yak-54

I'm gonna use Hitec 5925's all around in this one, what are you guys gonna use?
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Old 05-18-2007, 12:55 PM
  #30  
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Default RE: 69" QQ Yak-54

Guys,

Here's the whole video with no editing from the maiden flight of the new Somenized Yak-54, 69". Please click on video number 10, www.RCModelAviator.com/Videos.html

Thank you,
Reza
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Old 05-18-2007, 04:57 PM
  #31  
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Default RE: 69" QQ Yak-54

Rezagh, did you have to put the battery in front of or behind the cg to get it to balence? I was thinking of cutting the motor box off and shortening the cowl to make it perform pitching manuevers better.
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Old 05-19-2007, 12:47 AM
  #32  
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Default RE: 69" QQ Yak-54

Why do you think, it needs any mods? or more nose pitching capability.

Plane flies outstanding! does not need any mod and we don't recommend any mods to be done on it either.

I will release the manual soon. You can see all the details next week.

Thank you,
Reza
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Old 05-19-2007, 01:05 AM
  #33  
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Default RE: 69" QQ Yak-54

Can you reposition the fuel tank to the cg?
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Old 05-19-2007, 01:47 AM
  #34  
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Default RE: 69" QQ Yak-54

CG on this plane is so forward that is almost where the tank is. No need to relocate the tank. I didn't feel any flight difference when tank was empty to when tank was full.

Thank you,
Reza
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Old 05-19-2007, 06:07 PM
  #35  
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Default RE: 69" QQ Yak-54

I wasn't saying that it needed any modding, it's a mod that alot of people perform on profile models to get the motor mass farther back, it makes them tumble better. I wasn't saying it needed to be modded I was just thinking of doing it, my apolagies.
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Old 05-21-2007, 08:54 AM
  #36  
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Default RE: 69" QQ Yak-54

No worries JR3D. I flew it some more during the weekend and it really performs well. I think YS 1.10 would be an awesome engine for this plane as well. BTW, I flew it with 17x6 prop this time, less top speed more thrust for pull outs. As far tank and CG goes, you really don't feel any noticeable difference except for the flying weight of the plane when tank is full and when is almost empty and you want to land.

Thank you,
Reza
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Old 05-21-2007, 06:12 PM
  #37  
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Default RE: 69" QQ Yak-54

Do you think that you could put the tank over the cg anyway so that you can see the fuel level through the canopy? Flying profiles with the tank on the side spoils you like that :P
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Old 05-21-2007, 06:31 PM
  #38  
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Default RE: 69" QQ Yak-54

I'm sure you can make mods if you want. Once you see the plane and how light it's built, you may stick with current set up. Everything is done for you and all you have to do is strap the tank.
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Old 05-22-2007, 03:15 PM
  #39  
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Default RE: New Somenized (TM) 69", Yak-54

Gentlemen,

I have sent the assembly manual to Quique's Aircraft. It is 46 pages with 118 pictures. Video and manual will be posted on www.qqaircraft.com soon. Please check the website for more information when is available.

Regards,
Reza
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Old 05-24-2007, 12:47 PM
  #40  
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Default RE: 69" QQ Yak-54

Assembly manual is posted on www.qqaircraft.com

Regards,
Reza
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Old 06-09-2007, 06:15 PM
  #41  
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Default RE: 69" QQ Yak-54

any word on a release date or anything yet?
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Old 06-15-2007, 08:27 AM
  #42  
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Default RE: 69" QQ Yak-54

Rez
Do you think a Saito 100 will be a little too light for this one? I have a spare one needing a home. My guess is not enough punch
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Old 06-16-2007, 05:44 PM
  #43  
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Default RE: 69" QQ Yak-54

at 8+ pounds I would say no, one of my friends has an OMP ultimate that wieghs 6.5 pounds and it's about right, my mojo 65 has a YS 110 on it and it is just about perfect for power, but my friend has one with a saito 125 on it and it doesn't have the oomph of the YS.
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Old 06-17-2007, 01:11 PM
  #44  
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Default RE: 69" QQ Yak-54

Hi There,

Saito 100 will only fly it, won't give you good vertical performance or 3D power.

Thank you,
Reza
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Old 06-18-2007, 04:11 AM
  #45  
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Default RE: 69" QQ Yak-54

Reza..........is this plane close to hitting the market? I'm going to be in need of an airframe this size and would like to try out a QQ product for sure. The site says "late june"..........just wondering if that's still a possibilty? Thanks alot.


Jeff
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Old 06-18-2007, 08:26 PM
  #46  
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Default RE: 69" QQ Yak-54

Hi Jeff,

I would say late June to Mid July. I flew mine (Prototype) last weekend and honestly now that my engine is broken in, I feel this is one of the best plane that I have ever flown in this size. You have my word on this public forum that you will fall in love with it. It will worth the wait

Thank you for your interest,
Reza
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Old 06-19-2007, 10:19 PM
  #47  
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Default RE: 69" QQ Yak-54

Hello Guys,

I have a question Reza,

Would the OS 120 be enough to fly good 3D at 2000 meter attitude? or is it necessary to add more power (like saito 150 or 180), this is because you're in Ca. and its near to 0 mts. attitude, and I think here I would need much more power to fly it.

Thanks

Jorge Medina
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Old 06-19-2007, 10:42 PM
  #48  
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Default RE: 69" QQ Yak-54

Hi Jorge,

at 2000m the performance will drop considerably. The videos you watched me flying the plane was when the engine was brand new out of the box. I now have about one gallon and half fuel and engine has just come alive the way I like the power. So I would certainly feel that you will not have very marginal power. I'm just worries about the size and the weight of the bigger ones like Saito 1.80. What's the weight difference? My plane the way I wrote the manual came a little on the nose heavy size, bigger engine will certainly not help the situation!

Thank you,
Reza
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Old 06-20-2007, 09:39 AM
  #49  
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Default RE: 69" QQ Yak-54

Reza,

The weight of saito is 31 oz., and OS with Muffler is 29.89 oz.

So do you recomend the OS for this attitude? If so I can think about it. (The only think I worry is about fuel $$)

Thanks in advance.

Regards

Jorge M.
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Old 06-20-2007, 11:20 PM
  #50  
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Default RE: 69" QQ Yak-54

I would think OS will give you marginal power. You may need a little bigger engine if you need 3D power. 1Oz difference is very acceptable.

Reza
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