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Jul 21, 2012, 06:17 PM
What goes up...
acuralegendz's Avatar
Quote:
Originally Posted by Dialfonzo View Post
Ok first flight video..

- Tiger Motors 2216-900kv
- 4in1 ESC
- DiaLFonZo-Copter Shield MWC

Video is done with Gyro only mode

http://www.youtube.com/watch?v=ITgkt...ature=youtu.be
Do you have any more info on that 4in1 esc?
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Jul 21, 2012, 11:26 PM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
Quote:
Originally Posted by acuralegendz View Post
Do you have any more info on that 4in1 esc?
This ESC was buy direcly from the manufacturer and i can't seem to be able to contact again...

I have it for almost 8 month and first time i really use it.. lol
Jul 22, 2012, 10:34 AM
Registered User
rgon's Avatar
Hi Dialfonzo,

I'm not so sure if that is so relevant since i saw your quad flying but looking at the pictures seems the place you have for the FC is out of the CG. Am i wrong?

This is what i mean


Cheers
Jul 22, 2012, 10:37 PM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
The CG is where you have the Blue round.. !
Jul 23, 2012, 04:31 AM
Registered User
rgon's Avatar
No the blue round is where i think you have the flight controller. The CG is in the red cross.
Jul 23, 2012, 04:36 AM
Quote:
Originally Posted by rgon View Post
No the blue round is where i think you have the flight controller. The CG is in the red cross.
The center point of the 4 motors is not the CG since they is not a symetrical quad, the back motors are not the same distance as the front hence why the CG is shifted forward.
Jul 23, 2012, 05:31 AM
Registered User
How can you calculate the CG in this case?
Jul 23, 2012, 06:37 AM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
Quote:
Originally Posted by rgon View Post
No the blue round is where i think you have the flight controller. The CG is in the red cross.
The CG is not the red cross cause if you calculate the lenght, you don't have equal lengh red line for all motor to center.

The CG is the blue circle you draw.
Since that is a circle draw that connect to each motor.

Like Flitelab said, it's imposible to have a "Perfect" rounde spyder with equal lenght DJI arm.. lol

I have fly the quad with and without the GoPro up front. So one flight was really off balance due to the weight all in the back. I didn't see any difference in flight carracteristics...

I am sure the back motor spin faster (since off balance) but that's probably all it does.

edit: the motors to cg lenght are all equal from the blue circle
Jul 23, 2012, 07:45 AM
Registered User
rgon's Avatar
I see what you mean and I was in doubt.
If the back motors are forced to spin faster you probably have a wobble effect. How does it yaw?
Jul 23, 2012, 07:50 AM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
Quote:
Originally Posted by rgon View Post
I see what you mean and I was in doubt.
If the back motors are forced to spin faster you probably have a wobble effect. How does it yaw?
It yaw real good.
The TBS clone you did would act exactly the same.

edit: if you read what i said, i said that they run faster because there was not GoPro up front.
Last edited by Dialfonzo; Jul 23, 2012 at 07:56 AM.
Old Jul 23, 2012, 07:57 AM View Post
TBSClarification
A moderator felt this post violated the following rule: Trolling (Widespread). Show it to me anyway.
Jul 23, 2012, 07:59 AM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
Quote:
Originally Posted by TBSClarification View Post
Yep i know that..
Old Jul 23, 2012, 08:11 AM View Post
TBSClarification
A moderator felt this post violated the following rule: Trolling (Widespread). Show it to me anyway.
Jul 23, 2012, 08:18 AM
DiaLFonZo - UAV/Drone
Dialfonzo's Avatar
Quote:
Originally Posted by TBSClarification View Post
ok, just making sure. I don't want this to ruin your thread, so enjoy and keep it "ethical". cheers.
In fact it was not an attack to him.
His frame look awesome and he cut it by hand..

Lot .. Lot... Lot... of work involve there and he even did the power distribution thing..

He just ask for FC and CG placing.

BTW: i could buy a set of PCB plate to try and cut a power distribution to the frame. But would need a good set of coating to the plates to be sure no short..
Old Jul 23, 2012, 08:24 AM View Post
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A moderator felt this post violated the following rule: Trolling (Widespread). Show it to me anyway.


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