Tiger 2814 (aka Avroto, QC, Quadpower, etc.) max lifting experiences?

[hjls3]

just for some perspetive regarding large motors, i had an original Mikrokopter Okto II with the 110W Roxxy motors. Those eight little motors carried nearly the same load I"m now carrying with my eight Avrotos/TIgers. I'm considering powering down to something in the 200w range for my next-gen craft. a 350 w motor is overkill for an 8 to 12 pound craft if you ask me.

Bartman, forgive me, I am still in the steep learning curve part of this addiction. Meaning, I have lots to learn. I want to make sure I follow your logic. If you have a motor that is "overkill" it will usually weigh more? Hence you would be going for longer flight times by downsizing or decreasing the weight. I was sort of under the assumption that if you had a powerful motor and it barely had to work to get the job done, your flight times would be increased. Sorry if that is silly question - just curious.

 

[Dewster]

I just finished a Y6 build with Avroto 2814/11s. I use 30 amp DJI esc and the copter weighs approximately 6 pounds. It will be close to 8 pounds once I get a light camera gimbal for my sony Nex 5n and FPV camera. I had these motors on a flat hexa and they performed flawlessly. I'm working on increasing flight time with the Y6 configuration (setting the battery voltage protection etc and experimenting with flight times vs parallel batteries). I like the color of the motors and the length of wire that they come with. View attachment 6035View attachment 6036View attachment 6037


As shown:

DJI F550 converted to Y6
Avroto 2814/11s
DJI 30amp ESC
Genesis 3s 6000 mah lipo battery (experimenting with flight times (may get 4s batteries)).
Aeroxcraft landing gear (such a brilliant design) mounted in plus configuration for Y6
XAircraft canopy shell - I love that look vs. a dome.
12 volt water resistant LEDs (eyes). I ordered "regular" LED, but the company sent me the upgrade.... hmmm?
11x5 Graupner blades - Excellent prop that actually provided 13 seconds more flight time vs. 10x4.7 APC props

I'm still trying to maximize flight time without burning up my 30amp ESC while maintaining 8 pounds or less on AUW. (suggestions would be appreciated...).

Anyway.. This is the second time that I purchased Avrotor Motors. I like the look. They run smooth and have plenty of power.

 

[Explorocam]

I just finished a Y6 build with Avroto 2814/11s. I use 30 amp DJI esc and the copter weighs approximately 6 pounds. It will be close to 8 pounds once I get a light camera gimbal for my sony Nex 5n and FPV camera. I had these motors on a flat hexa and they performed flawlessly. I'm working on increasing flight time with the Y6 configuration (setting the battery voltage protection etc and experimenting with flight times vs parallel batteries). I like the color of the motors and the length of wire that they come with. View attachment 7996View attachment 7997View attachment 7998


As shown:

DJI F550 converted to Y6
Avroto 2814/11s
DJI 30amp ESC
Genesis 3s 6000 mah lipo battery (experimenting with flight times (may get 4s batteries)).
Aeroxcraft landing gear (such a brilliant design) mounted in plus configuration for Y6
XAircraft canopy shell - I love that look vs. a dome.
12 volt water resistant LEDs (eyes). I ordered "regular" LED, but the company sent me the upgrade.... hmmm?
11x5 Graupner blades - Excellent prop that actually provided 13 seconds more flight time vs. 10x4.7 APC props

I'm still trying to maximize flight time without burning up my 30amp ESC while maintaining 8 pounds or less on AUW. (suggestions would be appreciated...).

Anyway.. This is the second time that I purchased Avrotor Motors. I like the look. They run smooth and have plenty of power.

So are you saying that a Y6 will give you longer flight times than a flat Hex? I would have thought that a flat hex would be more efficient as the props are never spinning in dirty air. Please help me understand. I'd love to know.

 

[DucktileMedia]

there's no way a coaxial with the exact same components will yield longer flight times than a flat config. I want to know how many people are successfully swinging 14" apc's with their 2814 on 4s? My motors were hot enough to start smoking the oil in the bearings but so many claim this is a winner. I think the apc 12's are perfect but not the 14's. Just looking for other options than the Xoars as I cant stand balancing them to the extent they need to be balanced. I've never had a prop come so unbalanced as to visually see the vibrations amplify through the heli as if it were going to shake apart. It would have been catastrophic to lift off the ground. And now I am supposed to put a freaking starw or heat shrink in the hub to center them properly??? forget it.

 

[Bartman]

yuri,

i think you're overdoing it on how the Xoars were. you told me yourself you need a new balancer and that they weren't tight on the shafts. we discussed this so why come here and bash them? if you can't balance props then just own that but don't bash something you didn't really make a good attempt to use correctly.

 

[DucktileMedia]

They are on tight. But the simple fact that they need this much attention says something. My balancing skills are pretty good. And yes my balancer is off, but not to the point it would make my whole heli shake to pieces. I feel it has more to do with the hole not being the right size in the middle than anything. In short, APC and graupner's have never had this issue in my experiences. I also dont seem to be getting anywhere near the flight times so yes, I am not a happy camper so far. Unfortunately all of this had to reveal itself during a demonstration which really makes me regret taking off my apc's. So set me straight Bart, show me the light of Xoar. I want to be a believer!

 

[Dewster]

A flat Hexa is far more efficient than a Y6. NASA studied the design and said that the Y6 wasn't efficient. I built it hoping for redundancy in case of a prop failure. My flat Hexa did a spiral of death after a prop broke in flight. That was before DJI updated the fail safes for loss of a motor /prop. My flight times are 9 minutes with two 6000 mah 3s lipos. That's with a Gopro hard mounted (no gimbal) to my craft. I also run the batteries in parallel.

I would rather have a flat Hexa, but I want and hope that the Y6 design will yield some controllability if I have a failure on a prop, motor or ESC.

 

[Explorocam]

A flat Hexa is far more efficient than a Y6. NASA studied the design and said that the Y6 wasn't efficient. I built it hoping for redundancy in case of a prop failure. My flat Hexa did a spiral of death after a prop broke in flight. That was before DJI updated the fail safes for loss of a motor /prop. My flight times are 9 minutes with two 6000 mah 3s lipos. That's with a Gopro hard mounted (no gimbal) to my craft. I also run the batteries in parallel.

I would rather have a flat Hexa, but I want and hope that the Y6 design will yield some controllability if I have a failure on a prop, motor or ESC.

I think the redundancy sounds right, but I think the DJI has a firmware update that is supposed to catch a hex in the event of a motor failure. I think believe the (speaking with little knowledge that the Y6 is more maneuverable and orientation would be easer to see as well.