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AutoQuad Forum • View topic - HEXA MONOBLOCK 814 retractable legs

HEXA MONOBLOCK 814 retractable legs

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HEXA MONOBLOCK 814 retractable legs

Postby afernan » Tue Apr 01, 2014 3:49 pm

Hi:

I´m mounting an HEXA 814mm "monoblock" based on my last quad "monoblock" that flies really like a charm.

In this case I´ll put all my best hardware on:
- MT3110 + Tmotor 12x4 propellers
- retractable landing gear using 5Kg landing gear motor http://www.rctimer.com/product_716.html and some new 3DParts. Attachment is done using an M6 bolt by internal side (not shown in the pictures)
- improved motor brackets (stronger, lighter, less parts)
- Arms-legs design optimized for minimum frequency coupling

Hope you like

Angel
Attachments
Captura.JPG
Captura.JPG
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Re: HEXA MONOBLOCK 814 retractable legs

Postby afernan » Tue Apr 01, 2014 3:59 pm

Many of you are asking about how to get this parts. I can supply the "stl" files for you to print (I´ve done already to several of you).

If you don´t have a 3DPrinter machine (and/or the time to do!) I´ve got a spanish supplier that can do all set for a copter at 100€ about. One set takes about 35h printing (material cost is negligible). Just send me a PM.
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Re: HEXA MONOBLOCK 814 retractable legs

Postby Jdmagoo » Tue Apr 01, 2014 8:43 pm

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Re: HEXA MONOBLOCK 814 retractable legs

Postby afernan » Mon Apr 07, 2014 3:20 pm

... almost finish!.

First dry run test on retractable legs:
Attachments
IMG_5220.JPG
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Re: HEXA MONOBLOCK 814 retractable legs

Postby afernan » Wed Apr 09, 2014 10:47 am

Maiden flight.

Summary.
Great performance. The best I´ve ever had.
Super stable.
Ultra low vibrations onboard (good for video!).
Retractable legs working great.

Configuration
- using AQ AIMU, r349
- MT3110, MT 12x4 propellers
- 5000mA, 4S gives 18min flight (2.18Kg AUW)

See this video preview. A more detailled one coming next :
afernan
 
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Re: HEXA MONOBLOCK 814 retractable legs

Postby Jdmagoo » Wed Apr 09, 2014 11:47 am

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Re: HEXA MONOBLOCK 814 retractable legs

Postby afernan » Wed Apr 09, 2014 1:34 pm

@James:
attached are the parameters I´ve used for ESC32. I´ve calibrated for 10amps with these motor/props.

I´m using 10nF caps in between signal and ground. Not using shield cables. Using only one 330uF cap between +/-

Before going to flight I always check at maximum power all the system by changing upside-down the propellers and fixing the copter to ground. This is to check the "disarming" issue on ESC32.

ToDO next (sorted by priority):
1.- change to DIMU
2.- change to CAN
3.- GIMBAL & Datalink

Angel
Attachments
MT3110 & Tmotor 12x4 10AMPS.zip
(611 Bytes) Downloaded 454 times
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Re: HEXA MONOBLOCK 814 retractable legs

Postby Jdmagoo » Wed Apr 09, 2014 3:59 pm

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Re: HEXA MONOBLOCK 814 retractable legs

Postby afernan » Thu Apr 10, 2014 9:39 am

James: at Máximum expected weight each motor will take 3.5 Amps. A limitation to 10amps is more than enough to be safe.

About disarming, its not an issue. Its a protection of ESC32 to apply always good signal, never garbage. A lot has been discussed about that in that sense, mainly by Bill.

If you do correct calibrations and setup, you'd never have dissarming.
Follow recomendations done.
afernan
 
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Re: HEXA MONOBLOCK 814 retractable legs

Postby leopold1 » Thu Apr 10, 2014 2:43 pm

Angel, just a fantastic machine!
How many KV are the motors?
You should start selling some frame kits.
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