Phil Winks
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A Little Atom, A Medium Mossie and a Big Cub
Phil Winks replied to Chris Barlow's topic in The 2015 Mass Build
Very good indeed I see your going for a trophy here -
I'll be there without fail (I hope) this year
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Posted by Richard Harris on 09/06/2015 06:22:29: Phil, Nice work, have you flown it with your new mods? Rich Not yet Rich I only got back from holiday fri afternoon and the weekend was spent putting her together in between getting ready to return to normality and catching up on my club secretarial duties, however I expect her to be as well behaved as before with the added bonus I can now get a 2300Mah in her as opposed to the 1300Mah I had before and the space inside lets me achieve the same balance with both bty's without adding/removing a portion of church roof, so there's the option of a little more weight for windier days, which seems to be a recurring theme this summer so far
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To be fair it's all part of the learning curve, just remember, especially in gusty conditions, to watch for ground obstacles that can cause turbulence at low level on your landing approach, wind shear bites us all !! luckily this is a model that mostly can handle it, the benign stall does at least help it land on its feet, just one thing you might want to take the wing tube and roll it across a mirror to check for slight bending after a heavy landing, it's not the hard aircraft grade aluminium that you would expect, well mine wasn't!
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Janos Watching that vid my conclusion is that you flew into a stall, mostly due to blustery conditions causing rapidly changing air speeds the pitch nose up just before the arrival is what makes me think this. a gust will have slowed the ground speed of the model and as the gust drops so does the air speed and with such a benign stall as this model has a simple drop is the result, I've witnessed this a few times on my own while on short finals in gusty weather plus as you were approaching the boundary between flat grass and the crop some turbulence would've been taking place just adding to the mix.
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Post over confident flight rebuild is complete along with some minor mods More details in this post on my build blog
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Well it's been a while the trimming days have been and gone, I attended the 1st and very educational it was too, she has flow successfully quite a few times though on the last outing I got to bold and the damage to the fuselage meant a rebuild was the easiest route, along the way I incorporated a few mods that others have done and I'm happy the end result will be a better model. First the general shots She's subtly different but not so much as to be unrecognisable from the MKI and now some of the altered details in close up 1st the formers were made from carbon reinforced balsa, lighter and stronger than light ply I believe then there's the position of the head servo's, this means there are no cutouts in the mast housing hopefully making it stronger. and I've shortened the elevator control on the head arm to give more elevator movement, the addition of two holes has given me three positions I can use to fine tune it Finally, and there's no pics of this bit, the u/c is brazed together as one piece and I've sandwiched two layers of 1mm Epoxy glass plate into the mount area, one in the fuse under the ply plate and one outside on the ply plate, this has given me a rock solid U/C attachment that shouldn't wear to soon. Now just to check the blade balancing and re-maiden her
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shortened cotrol arms on the head to increase throws
Phil Winks posted a gallery image in Member Albums
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removable tail feathers with carbon reinforced balsa fins
Phil Winks posted a gallery image in Member Albums
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That's one cool looking Atom Dani's built there. My rebuild of Diesels ride is done, paint drying as I type its back at home waiting to be put together so pictures can be expected when I get back of holiday on Saturday. I'm not sure its better than the Mk1 but it is subtly different, using some of the mods others have come up with and some of my own, mostly in materials and hardware layout. Edited By Phil Winks on 01/06/2015 23:07:54
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Looks like you enjoyed that Janos, one comment on the video camera placement. I used velcro to attach mine ( a small key fob style hd video camera) to the top of the wing far enough out to not see the prop in the video makes for a cleaner picture and saves you inverting the image to view too
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Greenacres 2015 Mass launch Radjet
Phil Winks replied to Morgan Goule's topic in Shows, Club Events and Competitions
No worries Bill sometimes things do get lost in the translation with those maualls though HK are getting better as they actually employ a European/ american to write them now common sense really -
No problems Martin all being well I'll be there on the Fri evening looking forward to seeing you all there
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Thanks Rich it was a thought as I felt she took a little longer run than most to achieve full spin however I will of course bow to your greater experience and not try to fix what ain't broke
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Greenacres 2015 Mass launch Radjet
Phil Winks replied to Morgan Goule's topic in Shows, Club Events and Competitions
Have you seen this **LINK** -
Greenacres 2015 Mass launch Radjet
Phil Winks replied to Morgan Goule's topic in Shows, Club Events and Competitions
Bill is there a model name or number on the ESC? -
That's OK Martin I would add I'm seriously considering a 0.8mm shim once my current repairs are done and having seen what Richard had to say about a thinner TE decreasing the negative incidence Re green acres , yes I'd seen the date change and must be one of the few it actually helps as my club attend and display at wood spring wings on the weekend it was planned for and I provide the marquee transport. So now I'll have an empty trailer for my camping kit and more room in the van for models
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That makes sense to me Martin my bolt hole is 15.5mm from the LE trust me those AJ blades do have a spruce LE well mine do, and I have a 0.4mm shim as described 10mm behind the bolt hole centre and spin up is good though possibly could be better
