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Build: Aeroworks QB 150cc YAK 55M

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Build: Aeroworks QB 150cc YAK 55M

Old 08-12-2015, 12:40 AM
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Default Build: Aeroworks QB 150cc YAK 55M

This showed up at my place yesterday, and it is pretty sexy, I must say:

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Old 08-12-2015, 12:46 AM
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made an unboxing video, well a three parter, actually:

https://youtu.be/u6GvyTKNA8g

https://youtu.be/8GCulv8bW2A

https://youtu.be/I8e_MOTWkxg

And, a DA 170 unboxing video, too:

https://www.youtube.com/watch?v=7G735fh6sL8
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Old 08-12-2015, 12:48 AM
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The plane really looks great, amazing actually. I'm in love with it. haha Very cool looking plane, for sure. I'm always thinking about weight, though. I just finished the Hangar 9 Sukhoi review and that plane is light and flies light. So, I started making some comparisons. The wings on the Aeroworks are larger. They're longer because they go into the fuse. And, they're about an inch wider through the cord. The shape and design is very similar. I thought the Aeroworks look even more small-pattern-wings in the pictures on the Aeroworks website. But, the wings are slightly less patterny than the Sukhoi and also the ailerons are closer to the root which makes them larger overall. By all rights this plane should fly good. So, anyway, the Aeroworks wings are longer and wider, but also weigh 2-5/8 ounces more (each wing weighs 2-5/8 ounces more). Oh, that would be 3 lbs 5 ounces for the Sukhoi vs 3 lbs 7-5/8 ounces for the Yak 55M. That's not a lot, in a 40% you can always deal with a couple of ounces.

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Old 08-12-2015, 12:53 AM
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I don't have fuse comparison weights, but might be able to work that out with Nolasco who also has a new Sukhoi. But, for now let's say the AW fuse weighs a pound more, because it does feel heavier (there appears to be more wood in there). That's 16oz, then 5oz more for the wings... that's 21oz. But here's where it gets interesting. I had a feeling that the Yak 55M main landing gear was going to be light. It is.


It weighs 12-3/4 oz. Compare that to 31 ounces on the Sukhoi. The main gear alone makes up for 18 of those 21 ounces.



Then there is the tailwheel, and Aeroworks has always had super light tailwheels. It weighs less than an ounce:

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Old 08-12-2015, 12:54 AM
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The wheel pants are a 1/2 oz each lighter. The Tires are about 3 oz lighter each. That's another 7 oz. So, stock to stock, I could easily see the Yak 55m coming in exactly the same weight as the Suhkoi. Which I would be very happy about. I'll weigh them both RTF when the Yak 55m is assembled.

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Old 08-12-2015, 12:57 AM
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I'm going with a DA-170 on RE3 tune pipes again because... well?... did you watch the videos? haha The engine makes tons of power but what I love is the sound of those pipes! So sophisticated! I do like the sound of the 3W 170 on Pefa cans, but no one seems to run 3W anymore? I hear about ZDZ, DLE, and GP, mostly. DA is USA made, which is cool. I need to check and see how much of the engine is made here for general interest. I saw a video where they are making the cranks right there in the shop. I know they get the ignitions from Australia. But I can't believe, after all these years, I don't know if the rest of the motor is made in-house, or not. Either way, I'm very happy with my DA 170 on RE3s. It has been a runner from the first start and it just sounds so good!

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Old 08-12-2015, 12:58 AM
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I'm thinking about JR servos this time (Hitec is still backordered on the Brushless servos for a couple of months). Maybe the:


JR MPH83T MK II Linear Hall Sensor Brushless Torque Servo that Tavis likes so much.


Specs are:


563.8 oz-in @ 7.4V
0.13 sec/60 deg @ 7.4V
Linear Hall Sensor (instead of a potentiometer)


With 563.8 oz-in along with the brushless motor holding power... maybe just one per elevator and two per aileron.
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Old 09-16-2015, 02:00 PM
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Photoshoot slideshow:

https://youtu.be/5EqzNT_3x1I
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Old 09-21-2015, 06:55 AM
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Looking good!

Rocco
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Old 09-21-2015, 08:51 AM
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Joe, looks like you changed things up, 3Dub with mufflers?
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Old 09-23-2015, 02:51 PM
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First video Joe Hunt with his 150cc Yak55M!

<iframe width="560" height="315" src="https://www.youtube.com/embed/vclTWP3uT4k" frameborder="0" allowfullscreen></iframe>

Enjoy!
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Old 09-24-2015, 01:56 AM
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Yeah... wanted to compare a new 3W CS to a new DA-170 on pipes (which I have in my other plane). Also changed up from the JR brushless to the Hitec brushless. I want to compare those too. Hard to find anyone who has actually run these to compare. Especially servos. I don't know one person who has run all the latest brushless servos, even from two companies, let alone from three or four, you know?

I have the build thread on 2 other sites, speedracerntrixie, you can find a link to them on Aeroworks homepage. I started posting here, too, but it seemed no one was watching on rcu.

I went stock mufflers to keep the weight down. I miss the canister sound so I might change that out. haha

Last edited by Joe Hunt; 09-24-2015 at 02:02 AM. Reason: wanted to add a comment about stock mufflers
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Old 09-26-2015, 11:54 AM
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Turns out weight is really not an issue on this plane. It weighs 39 lbs all up the way I have it... and with a DA and some other easy differences it would weigh 38 lbs. I have 1 lbs on the tailwheel right now and it doesn't even effect the lightness. So, I could put cans in and not even notice.

This thread doesn't have much interest... maybe this will help. haha

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Old 09-28-2015, 06:51 AM
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Joe,

Very Nice!
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Old 09-29-2015, 07:07 AM
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Joe Hunt 3D video with his 150cc Yak55M!
<iframe width="560" height="315" src="https://www.youtube.com/embed/9zJ9aHG917o" frameborder="0" allowfullscreen></iframe>
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Old 09-29-2015, 04:36 PM
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Joe, as always great flying. What site is that? I don't recognise it.

Shawnee LOL
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Old 10-01-2015, 11:10 AM
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Originally Posted by speedracerntrixie
Joe, as always great flying. What site is that? I don't recognise it.

Shawnee LOL
Thanks! I'm blind as a bat now, but I'm trying over here! haha The site is OCMA at Irvine Lake... great site!
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Old 10-20-2015, 07:33 AM
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Here’s another great 150cc Yak55M video from Joe Hunt.

Thanks Joe!

<iframe width="560" height="315" src="https://www.youtube.com/embed/Vnn7Elh2uOQ" frameborder="0" allowfullscreen></iframe>
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