Mathew Wellington
  • Male
  • Hawera, Taranaki
  • New Zealand
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Required Gear for This ? aerial survey

Started this discussion. Last reply by Krzysztof Bosak Dec 30, 2009. 4 Replies

 

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About Me:
Into Flying and Electronic, also run www.kiwirc.com
Please tell us a bit about your UAV interest
www.kiwirc.com

Mathew Wellington's Blog

Latest Vtail 8 build - full house

Posted on October 16, 2011 at 1:00am 8 Comments

Shes all done, dont those microdan 2510's look purty



full house this puppy, ardupilot, magnetometer, gps, sonar and 900mhz telemetry, plus red and white LEDs



just worked it out, she has about 2.8kw of power on tap !



Running 2.047 with a custom mix (5 channel for 8 motors)



 Alt hold on barro is OK

Alt hold on…
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New Vtail 8 build started

Posted on August 27, 2011 at 11:52am 15 Comments

Nice new build, based on 1/2 ally tube, RCT 750 kv motors, 30 amp 4S ESC's, 10 by 4.5 props.

Overall width 680mm , length 840mm

 

About 5 hours work in it so far, the centre section and motor mounts are pre made for me out of 2.5mm fibreglass

The aluminium is all hand cut and drilled (lots of holes) !!…

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Vtail Y6 - perfect for FPV and AP, 1.3kg, 6 kg thrust

Posted on August 5, 2011 at 2:00am 5 Comments

Here's my latest (and yes need to work out how to do the mix in APM, as all this is on Open Pilot, using 4 motor channels)



Perfect for Aerial Photography and FPV, camera will mount under the front, just behind the landing…

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Vtail Octocopter

Posted on July 30, 2011 at 12:00am 18 Comments

 

Have had this flying as a prototype for a while using open pilots copter control, now using APM.

She weighs 3.8 kg, with a bit over 10 kg thrust

Control is done with 5 motor channels , the front motors are operated as one, and control pitch, the left and right middles motors are controlled as left and right pairs, so that two more channels, and control roll, and finally the rear motors are operated individually (channels 4 and 5) for pitch and yaw…

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80" Wing - suitable as a platform for UAV

Posted on November 2, 2009 at 2:00am 10 Comments

Work has stared on a 80" Flying RiteWing - based on a TL60 with an added 20" centre Section.

Powerplant will be 4S 10300 mah Lipo, at about 800 watts full throttle, but should cruize at 200 watts, so about 45 minutes flying time. Expected weight is 3.5 kg, and should be able to carry a fair bit more payload



The wings remove, so transport is only 2 x 30" wing sections and one 20" centre section.



The Wings only house one digital full size servo each, so nice an simple,… Continue

Comment Wall (2 comments)

At 7:25am on April 9, 2011, Anil Kumar. M said…
Hi Mr. Mathew, thanks for the suggestion. I have KK Blue board with v1.5 and Tx is Futaba T6EXA 6 channel with expo. Could you please elaborate the procedure to achieve the stable hover. Thanks
At 1:48pm on April 9, 2011, Mathew Wellington said…

Hi Anil, the KKuk board will never achieve a very stable hover, but you can make it as best as possible

First, do the transmitter stick centering calibration, makes a big diference.

Now I am asuming it already flies ?

What you want to do is make sure your transmitter is set up with a good 30% of expo to soften the sticks around centre, and limit the total throw to around 80%

 

Next increase the gain settings untill the tricopter gets slightly jittery, and then back of a smudge.

thats the setup that will get it as close to a stable hover as possible, without inertia sensors, it cant do much better (they are comming I believe)

 

with the above, flying too fast or in wind, will cause it to jitter slightly, as the gain setting are optimised for hovering

 

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