New Octo build

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Re: New Octo build

Postby aBUGSworstnightmare » Fri Apr 18, 2014 9:22 am

Hi Christof,

she's looking great!

Joerg
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Re: New Octo build

Postby srinath » Sat Apr 19, 2014 12:17 pm

Hi Christof

Looked at this thread after a long time. Excellent work!
Couple of questions
1) How do you machine the CF?
2) How do you ensure alignment between connectors on the central hub and those on the detachable arm
3) What safeguards do you use to ensure motors point vertically up?
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Re: New Octo build

Postby chschmid » Sat Apr 19, 2014 5:36 pm

Hi Srinath

1) How do you machine the CF?

I use a portal milling machine with a HF spindle and 2mm bits.

2) How do you ensure alignment between connectors on the central hub and those on the detachable arm
I placed fitting bores in the upper and lower central plate. The arms have (perpendicular to the prop plane)precision bores. At asssemly time I use bolts to ensure that all motors are aligned.

3) What safeguards do you use to ensure motors point vertically up?

It showed, that even the connectors align the arms very well once adjusted. I use the alignment holes at both ends.
In the attachemnt you can see the alignment holes in the center of the brackets.
Cheers
Christof
Attachments
Overview.JPG
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Re: New Octo build

Postby chschmid » Mon Jun 23, 2014 9:27 pm

Finally the machine is up and flying well.
Todays flight:

Mavlink init
ADC init
ADC task started
DIMU: EEprom init
DIMU: Reading values from EEprom
DIMU: read calibration parameters from EEPROM
Battery cells: 4
Radio init
GPS init
Nav init
Command interface init
CAN: Found 8 node type ESC
Motors init
Radio task started
GPS task task started
ESC32: CAN ID: 1, ver: 2.1.0
ESC32: CAN ID: 2, ver: 2.1.0
ESC32: CAN ID: 3, ver: 2.1.0
ESC32: CAN ID: 4, ver: 2.1.0
ESC32: CAN ID: 5, ver: 2.1.0
ESC32: CAN ID: 6, ver: 2.1.0
ESC32: CAN ID: 7, ver: 2.1.0
ESC32: CAN ID: 8, ver: 2.1.0
Control init
Quatos init
Quatos license passed
Control task started
Gimbal init
Gimbal combined PITCH & TILT port initialized.
Gimbal ROLL stabilization port initialized.
Gimbal TRIGGER control port initialized.
Gimbal radio PASSTHROUGH port initialized.
HoTT Telemetry init
HoTT enable ESC32 monitor
AQ S/N: 36373532-3331470B-00360034
Mavlink SYS ID: 246
SYS Clock: 168 MHz
8639/9008 heap used/high water
33232 of 40960 CCM heap used
Run task started
AQ FW ver: 7.0 - EXPR rev403 b1762, HW ver: 6 rev1
Disarmed
HoTT Telemetry task started
Initialization complete, READY.
GPS: trying new baud rate
Waypoint recorded
AQ FW ver: 7.0 - EXPR rev403 b1762, HW ver: 6 rev1
RTC set: 2014-06-23 18:18:48 UTC
Armed
Altitude Hold engaged
Home position set
Position Hold engaged
Returning to home position
Home position set
Returning to home position
Returning to home position
Returning to home position
Returning to home position
Returning to home position
Returning to home position
Disarmed
Set new reference heading for Heading-Free mode
Armed
Altitude Hold engaged
Position Hold engaged
Now in locked Heading-Free DVH mode
Now in normal DVH mode
Disarmed
config: Parameters saved to flash memory.
Armed
Altitude Hold engaged
Position Hold engaged
Disarmed
Waypoint recorded

http://youtu.be/lZfvp_08tuE


Thanks for everybodys support.

Cheers
Christof
Last edited by chschmid on Tue Jun 24, 2014 4:44 am, edited 2 times in total.
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Re: New Octo build

Postby teramax » Mon Jun 23, 2014 9:37 pm

c-mon Chris, video is not avalable?
Wanna see that baby flying :)
somehow everything can fly
http://www.youtube.com/user/ter4m4x
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Re: New Octo build

Postby LPR » Mon Jun 23, 2014 11:25 pm

Christof

Very very nice.

Larry
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Re: New Octo build

Postby joebar.rc » Tue Jun 24, 2014 6:23 am

What a beauty Christof and smooooooth...
Looking forward to see it in real life.
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Re: New Octo build

Postby kinderkram » Tue Jun 24, 2014 7:32 am

Yeah! Bring that beauty to the MF. 8-)
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Re: New Octo build

Postby teramax » Tue Jun 24, 2014 12:17 pm

yea Chris, flies and looks beautiful but the motors sound like breaking in pieces in the moment.
Is it just the video?
somehow everything can fly
http://www.youtube.com/user/ter4m4x
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Re: New Octo build

Postby chschmid » Tue Jun 24, 2014 6:38 pm

teramax wrote:yea Chris, flies and looks beautiful but the motors sound like breaking in pieces in the moment.
Is it just the video?

Mäx
There is a little nervous sound when yawing hard in real life too. Maybe @ MF I get some tuning help to get rid of that. But otherwise the sound is fine for a 5Kg machine and 13" props.

Cheers
Christof
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