Hunter-Vtail 400&500 by DialFonzo & Bledi - Page 67 - RC Groups
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Jul 27, 2012, 02:14 PM
Multirotor Builder!!!!!
Luis, You know I will be wanting one of those mini Vtail frames. I have money put aside for it. it will goo good with its big brother.
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Jul 27, 2012, 03:41 PM
Registered User
cmeisteriii's Avatar
Luis, I love my 400 so I am with Stuart (tc3wins) I will have to have one of these and I also have funds in reserve for this baby.
Jul 27, 2012, 04:02 PM
Registered User
I got my 500 together last night and tried a few test hovers in the basement. Couldn't get it stable. At first, the default yaw PID rate on the Naze 32 MultiWii was WAY too much. I turned that down, but it's still really unstable. I'm using the Y4 config. Any tips on tuning would be really appreciated!!! Thanks!
Jul 27, 2012, 04:11 PM
Multirotor Builder!!!!!
For some reason the Naze 32 dosn't work well with the V-tail. it works great for Quads and hexas I tried the naze32 for my first board on the V-tail what you need to do is first mount the board with vibration dampners. like the mikrokopter ones. second you can change the gyro LPF in the arduino code to 20 htz as it is set to either 42 or 256 or something like that. all that will help...
Jul 27, 2012, 04:16 PM
Registered User
Thanks. I'm sure I could sell the Naze easily enough. What are people using on the V-Tail with the best results? I don't need all the bells ans whistles (baro, mag, etc). I'm only sport flying with it. Just hard to beat the cost of the Naze compared to others.
Jul 27, 2012, 06:58 PM
Registered User
tc3twins, Rifraf,

I've got a new code base for the Naze32 that does a better job of processing/filtering sensors. I've not tried it on my vtail yet because I'm still waiting for motor and other hardware. It seems to fly well (within my skills) on my quad frame. It oversamples and averages the sensors, uses custom low pass filters. There are 3 different attitude estimators available, I'm currently flying a Kalman filter that runs at 500 Hz. It also has all the latest vtail mixer functions. There is no configurator program, it is setup via a crude CLI interface. If interested in trying it, PM me, I don't want this thread to go off topic.
Jul 27, 2012, 07:27 PM
Multirotor Builder!!!!!
Don't sell the naze 32 you can use on another quad they are great boards. For my V-tail I am using a quadrino with the vtail mixer and it works flawlessly, I have zero issues with it.

But with this new code that jihlein is talking about that might work for ya as well.
Jul 27, 2012, 10:42 PM
kad
kad
Quad Crasher
kad's Avatar
Quote:
Originally Posted by Rifraf
I got my 500 together last night and tried a few test hovers in the basement. Couldn't get it stable. At first, the default yaw PID rate on the Naze 32 MultiWii was WAY too much. I turned that down, but it's still really unstable. I'm using the Y4 config. Any tips on tuning would be really appreciated!!! Thanks!
My Naze32 has a V-Tail mode as well as the Y4 mode, have you tried that? I just got the Naze and haven't used it yet, although I'm planning on using to on my mini hunter. But the mode is there when I go to the CLI interface. Mine has the baseflight 20120503 firmware.

-K
Jul 27, 2012, 10:53 PM
Registered User
I think I am running the same base flight. I tried the vtail mode, but it wouldn't arm. I wasn't sure if there was a problem with it. I'll try again. jihlein, I'll give baseflight a chance to see if I get any luck, then I might take you up on getting your code. Honestly, with two kids and planes in the hanger, too, I don't have as much time as I'd like to fiddle with the codes. This is one I'm hoping to just get in the without a lot of fuss... maybe it will just take a while to get it right....
Jul 28, 2012, 01:15 AM
Registered User
Here is the first one...

few minor Issues to work out..

I made it form 1mm G10 ..

the V tail support is 1.5mm and the gear is 1.5mm ( as the smallest tool I cut with is 1/16)

This allows for a good fit..

...

one "problem" is.. the 1mm sheets.. do not allow the screws to compress..

using.. 1/4 standoffs.. and 3/16 screws from top and bottom..so the G10 is not thick enough..

So solution is.. go to 1.5mm sheets.. or add a small washer..

.....

hmm but I rather like it as it is.. frame.. weight.. G10 part came in at 2.7oz..
I'll put all the screws in it and see what the weight comes in at..

......

motors I plan to use..

http://www.hobbyking.com/hobbyking/s...nner_10g_.html

....
Jul 28, 2012, 12:39 PM
kad
kad
Quad Crasher
kad's Avatar
Quote:
Originally Posted by flyhigh300
Here is the first one...
one "problem" is.. the 1mm sheets.. do not allow the screws to compress..
using.. 1/4 standoffs.. and 3/16 screws from top and bottom..so the G10 is not thick enough..
So solution is.. go to 1.5mm sheets.. or add a small washer..
Hmm... Converting everything to decimal inches for convenience

.0394 - G10
.2500 - Standoff
.0394 - G10
-------
.3288

.375 - 2 x 3/16 Screw

.0462 - Difference

.0462 is just under 3/64" or 1.19mm. Switching to 1.5mm G10 would only add 1mm, so not enough.

My local Lowes (big box home center) sells nylon washers that are .033 thick. A pair of them or similar should give the needed clearance and an entire package of them weighs less than 2 grams. My scale isn't sensitive enough to weigh a single one.

Can't wait to get mine!

-K
Last edited by kad; Jul 28, 2012 at 05:10 PM.
Jul 28, 2012, 05:31 PM
kad
kad
Quad Crasher
kad's Avatar
Quote:
Originally Posted by flyhigh300
Here is the first one...
What is the hole spacing on the FC mounting holes?

-K
Jul 28, 2012, 07:12 PM
Registered User
Quote:
Originally Posted by flyhigh300
Here is the first one...

few minor Issues to work out..

I made it form 1mm G10 ..

the V tail support is 1.5mm and the gear is 1.5mm ( as the smallest tool I cut with is 1/16)

This allows for a good fit..

...

one "problem" is.. the 1mm sheets.. do not allow the screws to compress..

using.. 1/4 standoffs.. and 3/16 screws from top and bottom..so the G10 is not thick enough..

So solution is.. go to 1.5mm sheets.. or add a small washer..

.....

hmm but I rather like it as it is.. frame.. weight.. G10 part came in at 2.7oz..
I'll put all the screws in it and see what the weight comes in at..

......

motors I plan to use..

http://www.hobbyking.com/hobbyking/s...nner_10g_.html

....
Omg i want this puppy!
Can't wait to see it flying!
Jul 30, 2012, 01:28 AM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
I did it with 30.5mm mounting hole.
The full size version have 45mm mounting and they are real close to the side of the plates.
45mm holes can't fit that small..
Jul 30, 2012, 08:00 AM
Multirotor Builder!!!!!
Well I e-mail Luis about the mini v-tail a few days ago, but never got any responce. I am figuring he is busy...


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