leccyflyer
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Everything posted by leccyflyer
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Posted by Martin McIntosh on 11/04/2020 12:30:09: On checking, mine are in fact labelled `HobbyKing`, not TGY but they all state on them to charge at 1.5A. Never had a problem with them, and you can take the Rx packs down to zero V without damage as long as they are recharged straight away. Maybe an update since I bought them. One thing I really like is that you can leave a tranny unused for a year without worrying about the pack going flat. Hobbyking do print charge at 1.5A on the battery, but some other vendors recommend a 0.8C charge for optimum performance. **LINK**
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I'm using the Hiobbyking 1500mah 3s1p LiFe packs. Their recommendation of for a 0.8C charge rate. The first one I had I missed that and charged at 1C, then I inadvertenlty let it discharge, due to leaving the TX on by mistake on the bench. The pack puffed up and it was only on the replacement that I noticed the 0.8C advice.
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Agree with Martin on the efficacy of Life transmitter packs. One thing though, I typically charge all my lipos at 1C, but have found that you need to charge the Life at <1C - 0.8C is recommended, to get the desired long life. Avoiding the sudden voltage drop is simply a matter of not chancing your luck and flying with a LiFe for weeks without charging. Just charge it regularly, perhaps every other time you go flying, or fly for a weekend and balance charge fully after that. In practice, even after a couple of days flying it doesn't take anywhere near a full charge to get back up to fully charged.
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I've gone back temporarily to a temporary workbench, which is a drafting machine table, so the height is too high really to sit, so for the moment I stand. For the past half a dozen years I've been using my ex-office desk as a workbench, with reduced headroom as it was located in the eaves of the house, so that was all sitting down. I prefer to stand.
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Posted by Bob Cotsford on 23/03/2020 13:07:35: Why not make it from balsa if that's what you have? Nice 4*1/4*1/16" laminated ring outer with 1/4*1/8" spars/ribs, cover with whatever is to hand - doped christmas wrap? Got a PeeWee or TD 020? Stick that on it. Give it elevons or just elevator/rudder. They really are non-critical designs. Second idea - how about an Ebenezer with micro r/c? Edited By Bob Cotsford on 23/03/2020 13:09:45 Exactly. If one is so avidly allergic to foam what is stopping one from making a simple, small balsa slow flyer? I put a GWS Pico Stik together in a couple of hours at the weekend. These are a superb slow flying model for a wee pootle around the garden, but they are not particularly aerobatic. No necessity for the plug in undercambered wings to be made from Depron, they could be made of balsa ribs a couple of spars and film covered.
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This relevant thread on this forum might help
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Certainly a lot less traffic on the roads
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Posted by Paul Marsh on 04/04/2020 15:10:55: I had the F16, but it was pathetic. The T-33's wing is much more suited to the low power of the then EDF's. It it's too slow, just lands under power, but best let to skim the ground then let the speed build up before gently easing the elevator. The F-16, needs lots of power and by the time if got to flying speed, it was on the deck. Hopeless! My F-16 was much better than the T-33 and went really well. Unfortunately destroyed when the battery pack retention failed and the battery fell backwards through the fan, destroying the impeller and in the resultant crash the fuselage was shattered beyond repair. I still have the wings.
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I had one of these with the original AP29 brushed motor and Kyosho fan on 8xSanyo RC2400 NiCds and it flew, but wasn;t exactly inspiring. Only flew it a few times, as I greatly preferred the F-16. I put an Astro 805 brushless in the model years ago, with a Wemotech minifan and went to 10x1950FAUPs. The performance was improved, but the noise was horrendous due to the fan blades catching on the shroud. Hung the model up for years. A couple of years ago got it down and stripped off all the grubby stickers for a refinish and lipo transplant. Haven;t taken it any further with the housemove, but rather than waste that nice motor I should get the model fettled for when we can get back out flying again, hopefully later in the year.
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Our group off friends from work had a very enjoyable on-line quiz yesterday evening, with a few drinks. It went very well and we had a good laugh whilst the scores were being tallied for each round. The technology for staying in touch through Skype and other online services is working very well. We would never have done that without all being at home at the same time and we plan to do it every week - this week's quiz winners get to set the next week's quiz.
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Yes, my EFlite models are definitely covered in Oracover/Profilm.
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Good to hear from you Steve - hope that everything is going well in the shop, at least on the mail order side and that you are all staying safe and well. All the best Bri -
No, you can;t go flying. The rules couldn't be simpler. No going out at all except for essential travel and no leaving your property apart from obtaining essential food and medical supplies. IMO It was a mistake to leave the option to go for a walk, run or cycle none of those are essential/ For those who are desperate to exercise they can indulge in some physical jerks or walk up and down the stairs for a few hours. There was a very apposite set of pictures on FB this morning - a picture of a young family on a normal day, every one of them on their phones or tablets, not speaking to each other and all indoors, sitting down. Then a picture of a similar young family having been asked to stay at home so as to not overwhelm the NHS and save peoples' lives, all walking in a tight knit group in a crowded park. Said it all really.
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People need to get real and simply stay where they are. This is a global emergency - the closest parallel would be the 1918 Spanish Flu pandemic, though we should be better equipped to deal with it. It really doesn't help to have people talking about their need to head out for their Easter holidays. It's a write off and they need to accept that. What are they going to do if they head to Cornwall for their holidays and the complete lockdown comes to pass? They will be stuck.
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To buy cat litter, toilet paper, soap, washing powder?
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That's the impression I get, it will be sooner rather than later that a full on lockdown is implemented here. There is a chance that will work, though undoubtedly there will be some who rebel against those measures, the general population having folk memory of wartime restrictions and the necessity of those, ought to recognise the seriousness of the situation.
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Posted by Dai Fledermaus on 20/03/2020 13:04:18: As the OP when I announced, just a few days ago, the decision that our club had decided to close it's field, the post was met with a barrage of negative comments like " stupid " and " utterly ludicrous " . Well, is it me, or have the posts become a little more sanguine in the past day or so? Now your fretting over wiping gates and locks, wiping everything down with anti bacterial wipes, and wearing gloves, standing up wind from others. All I can say is good luck fellers, I hope we are all here after its all over to reminisce about it. I think it is just that people are gradually coming to recognise how serious this actually is, which will ramp up in the coming weeks when we more than likely move to a full blown lock down. I'm reconcilig that to myself by comparing it to the foot and mouth outbreak which wiped out a whole flying season for a lot of people. Fingers crossed we can get through this and the social distancing might ease off in three months or so, but it could last longer than that. Could be that it;s a time for an extended winter building season and time make progress on some of those long neglected projects with the intention of maybe being able to fly them later in the year.
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Posted by Peter Miller on 20/03/2020 09:03:00: Posted by leccyflyer on 20/03/2020 08:41:48: That's the thing though - for every case which has been diagnosed or tested positive it is estimated that there is at least on, possibly even two orders pf magnitude more undiagnosed cases, That's what the data from China and Italy has shown - where the number of positively identified cases on a given day can be compared with the number of people subsequently found to have had the virus at that time. You mean that there might be twelve cases in SuffolK I mean that nobody really has any real idea of how many people are infected in Suffolk, or in your own club. So imagining that the fact there are only four confirmed cases in Suffolk means that you can have a false sense of security that it is vanishingly unlikely that anyone will have touched the hard surfaces at your club is exactly the sort of thing that should be avoided. In the case of an order of magnitude underestimation from what you presented that would make 40 cases in Suffolk, whilst for two orders of magnitude it would be 400. The reality is that we just don't know for sure. You'll have seen the results of that sort of analysis a couple of weeks ago when with in the order of a hundred confirmed cases the government were warning that the likelyhood was of 5,000 -10,000 actual cases out there. Edited By leccyflyer on 20/03/2020 09:42:53
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Forum members' new models: Let's see them.
leccyflyer replied to Paul Marsh's topic in All Things Model Flying
New to me, courtesy of a recent swapmeet, but well flown and nicely weathered, my latest is a Durafly P-51 - lovely flyer, just like she's on rails as they say. Edited By leccyflyer on 20/03/2020 08:51:16 -
That's the thing though - for every case which has been diagnosed or tested positive it is estimated that there is at least on, possibly even two orders pf magnitude more undiagnosed cases, That's what the data from China and Italy has shown - where the number of positively identified cases on a given day can be compared with the number of people subsequently found to have had the virus at that time.
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From the information I've seen it would appear that the virus can survive for several hours on hard surfaces so your scenario of being able to pass it on through things like gates, combination locks, chairs left at the field sounds entirely plausible. It's why the bus companies are giving advice about the bits on the bus that people commonly touch such as hand rails and the like.
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Our club has cancelled our regular indoor flying sessions, postponed the spring bring and buy and rescheduled a couple of the competitions. However for the moment flying can continue at the various club sites, for those who wish to do so, whilst following the advice for keeping one;s distance and best avoiding contact. I think it's probably only a matter of weeks, at the most, before we have to take the same path as Italy and Spain, with wholesale lockdown and only being able to go out to get food, medicines and in an emergency.
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Posted by PatMc on 17/03/2020 20:48:52: Posted by Steve J on 17/03/2020 18:13:13: Posted by Gary Manuel on 17/03/2020 17:18:26: I don't get the logic of keeping the schools open either David. My guess is that they have judged that the disruption of closing them and having parents off work or grandparent looking after the kids outweighs the risk of cross infection via school. Covid-19 is not a big risk to the under 20's so the argument for closing schools would be to protect teachers and parents. If you close schools now, what is going to be the criteria for reopening them? If schools were closed a large percentage of medical staff & care worker would be affected by having to either take leave to look after their kid(s) or make other arrangements. Grandparents are probably the most common child minders, which means the kids, who are least affected by this virus, would be in close contact with the most vulnerable group. The modelling in the study I just linked to shows that closing schools and universities has the least effect of all the social distancing measures that have been considered, plus it has the issue that you describe of healthcare staff absenteeism which must surely result, as well as the increased risk to the over 70's.
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If you;re interested in some of the material that is supposedly being used to inform the government in making their choices of how best to deal with this situation this paper from Imperial College, modelling the spread of the virus and the different outcomes, together with the various measured proposed, might shed some light. It;s only 20 pages, so worth the read. The paper, published 16th March 2020 states that the conclusions have only become apparent in the past few days = it looks like a very long, nasty and tough time for a lot of us Imperial College Armstrong et al (2020)
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