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Posted by on Apr 30, 2014

Spring Heath

Spring Heath

After the rain… There has been a lot of rain recently, and this has very much disrupted the flyings, but today it stopped for the early evening, so pre-loaded up and ready to take advantage of any such break in the cloud, I drove down to the local heath to have a quick few flights as the sun went down. Still on the rubber isolation mounts, but taking the time to carefully balance the craft every time a new battery pack went on, I was pretty pleased with the footage I got, which was mainly free of annoying vibrations you can get with an unbalanced craft, GPS mode, and any amount of wind. Frustratingly, I packed up after flight 4, just before the ground mist really kicked in, but not to worry, I’ll be back here again before Spring is out, I’m sure; it’s one of the few places I’ve definitely got permission to fly ! In the meantime, we’ve got some nice relaxing sail-planing around the common, and...

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Posted by on Apr 18, 2014

The Damping Factor

The Damping Factor

  I’m back at an old haunt for some unusually specific testing today. I’ve been trying to find the cause of my recently jumpy footage for a while, and yesterday this caused me to look very closely at my gimbal, where my attention was drawn by the silicone isolation damper mounts. They looked OK from the outside, a bit filthy and discoloured, but on unscrewing the first, it pretty much collapsed and separated into pieces as soon as the screw was freed. The other 2 weren’t much better. So that’s probably the culprit, isn’t it ? Rob at Aeroxcraft was kind enough to whazz in a set of rubber dampers with the original order, so the silicone ones are in the bin, and hopefully re-ordered, and we’re having a go with the rubber ones in the meantime. Video above shows mixed but overall reasonable results. All in the mount… It’s a much much stiffer mount than the silicone isojobbies, and this really helps in eliminating the annoying vertical jumping...

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Posted by on Apr 5, 2014

Drive-By Flyings, Chalfont

Drive-By Flyings, Chalfont

  The Lure of Gold… There’s something really quite good about the particular flaxen yellows of a massive field of flowering rapeseed. And they’re not doing the flowering for very long, so as soon as I see one, I know it’s time to go drive-by flying, and see if I can find a field of it that has parking and isn’t locked. Today’s field was a chance find on the hill-top road out through Clanfield, then through to Chalton and beyond, nearly all the way down to Denmead. Having passed up about 30 alternative fields as having one thing or other wrong with them on the way here and the sun was not far off setting, I stopped here mainly because there was lots of parking space, it was adjacent to a public footpath, didn’t have a 300 ft electricity pylon in it, and because I didn’t think I’d find a better one before the sun disappeared. Swings and Roundabouts Once in the air, it transpired that I’d picked...

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Posted by on Apr 2, 2014

Heath Greens

Heath Greens

Test Day 2 – Petersfield Cricket Ground …Everything was better in today’s tests – by adjusting some bolts on the isolation mount, and making sure each flight was properly balanced, I was able to mostly get rid of the shakes that were plaguing me yesterday, but for some reason chose to video at 30 FPS, so my turns didn’t come out as smooth as they were. Balancing the craft appears to make all the difference. Had I filmed at 60 FPS I would have produced some really solid footage. Power Lines Took 4 batteries, but discovered a fault with the power connection on one Zippy 5800, so retired that before take-off. Gains are now on Aux 5 rotary, and this was useful in that I was able to turn them down when my newly raised settings (P/R/A centered round 150) proved a little twitchy. GPS lock was flawless except once when it drifted a good 5 m before sorting itself out. There did seem to be a list to...

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Posted by on Apr 2, 2014

Silence Breaks

Silence Breaks

Quiet Skies Ok, well that’s more about the headline – the skies round here are never quiet – there’s usually 1 or more Police helicopters, private planes or Chinooks at 2000 ft, so they’re rarely quiet. But today, it was a little bit noisier because me and Aerocam were back in it after really quite a long time away. So that was nice. Or was it ? Testing ++ Having been sitting in my workshop for nearly a year, there is lots of testing to be done on the AC5 Hexacopter, cleaning up, and making sure every component still works. A lot of that was done indoors, just checking wiring and power, and how my variously storaged (or not) LiPos would do on flight time after so long without any activity. I estimate I’ve lost about 10%, or 30 secs of flight time per battery, so not too bad. I’ve got some new 8000’s I’ll wire up if flyings go well. I needed to get a new FPV-cam, and new...

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