Bonzo Moon
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Super new test flight for my Mini Lidl Biplane!
Bonzo Moon replied to Bonzo Moon's topic in All Things Model Flying
Thanks Simon it was a good result in the end. To be honest it has taken very little sorting to get it flying well. 1st step was giving the motor a bit of down and right thrust. And a bit of adjustment to the upper wing. I'm well pleased with it now. Very easy and predictable to fly. My first 'big' Lidl foamie biplane rc build below took a good few adjustments before it flew ok. Biplanes are funny creatures! 🤔..... -
Super new test flight for my Mini Lidl Biplane!
Bonzo Moon replied to Bonzo Moon's topic in All Things Model Flying
Thanks! I must say it has worked out well. Great fun to fly. -
Super new test flight for my Mini Lidl Biplane!
Bonzo Moon posted a topic in All Things Model Flying
Super new test flight for my Mini Lidl Biplane! Amazing what you can do with a couple of £5 foamies and some cheap rc parts. Build blog is linked at the end. -
Ah interesting. And thanks. I'm glad I'm not the only one who comes up with these ways of amusing myself on rainy days! The only other scale I have with a hook is the old kind of spring balance. Very crude. Just a spring that you put under tension and it has a scale on it. I've got one 1.5kg scale and one that has 3kg scale. the 1.5 kg one shows divisions of 25g but nowhere near sensitive enough to measure say 40g or 45g. A small digital balance like that would have been easier. I just figured what can you do with what you do have! A mechanical way to change the thrust direction. It was a bit of fun really but reasonably accurate. I might improve it with a better trolley!
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A little idea I came up with on a wet afternoon. Might be useful? It kind of follows on from my '3 maidens 2 fails' video where I had an issue where a small 1s lipo had insufficient power to drive 2 small brushed motors in an experimental model. It's called C rating. 'The capacity of energy the battery can safely discharge, represented as a multiple of its overall capacity.' I hadn't considered it with small 1s lipos I use in small models. I'm sure it could be improved, eg I just cut a small V in the front of the trolley to take the fusi! Suggestions welcome (polite preferably please. 😉) You never stop learning in this hobby!
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A couple of weeks back I asked for suggestions for my next Lidl build after creating 10 big Lidl's and 4 mini Lidl's, including twins, 4 motors and biplane. I had a few suggestions, but in the end decided on something I hadn't tried before, a swept wing design somewhat inspired by the Hawker Hunter! (Hence the attempt at a silver finish (fail) and RAF roundels. She flies! Used a very cheap power train package from Banggood which has a 1104 motor, 5A esc, prop and prop saver. Works ok with a 1s and the FS2A rx. Link in video description. Very short and quick build blog and I've just seen these little foamies on Temu at less than £2. The question now, what next again? Swept wing BIG Lidl I think?
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Here's a quick look back at some of my last 14 Lidl and mini Lidl cheap foamie RC builds, plus a heads-up regarding my latest idea. (Hint. Swept wing.) Coming soon 😊. Watch this space!
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- lidl rc
- lidl rc build
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(and 1 more)
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Fair comment! I was a bit surprised just how much discussion the post has created. I did include a very small diagram in the video of cells in series and tried to explain where the balance lead is connected, but as you say, some confused comments. Just wanted to show folk that one dead cell doesn't necessarily mean you need to throw away a lipo. 😉
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I'm very guilty of speed watching, scrolling through, we all do it! I actually said in the video that had it been the centre cell of the 3 it would have been more of a pain of a job! Luckily as it was the end one it was easy to peel it off, re-solder the neg wire and put an old scrap 2s balance plug on. If balance socket leads are commoned to each socket I'll try using the 3 plug next time.
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You never said you opened the pack up and resoldered the pack and bypassing the dead cell, you made it sound like you only removed the balance lead.Sounds like a pain to save a few pounds. Did you actually watch the video? 😉 You can see I rebuilt and rewired the pack after removing the dead cell? Pain in the ass for some, but I enjoy messing with stuff and OK, it saves a couple of quid too. As I said, people are posting telling me they already do the same thing. My video was intended to be educational, but each to their own!
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Of course they're wired in series in the pack. I took the end one off the series, so it was two good ones in series. And the balance lead and power lead attachment points needed changing to suit a 2s not a 3s. I am a qualified electrical engineer too as it happens 😉 It's not daft and on other groups people are telling me they already do the same thing if there's one dead cell in a pack. Please tell me what's dangerous about it?
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Good question. Mine has 5 slots for balancing leads. It certainly senses the voltage on the power lead to see if it's with acceptable parameters for the settings you have chosen. I doubt I can plug a 3s into the slot with one dead cell and tell it that it's a 2s. More importantly there was zero volts across the power lead, so it just said 'low voltage' and wouldn't work. My charger doesn't display individual voltages either?
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I was testing an FPV tx the other day and like a fool forgot to disconnect the lipo until a while later. Put a meter on it and it read zero! Quite a recent 3s 800mA. I was not pleased. Checking cells I discovered that in fact it was only one cell that had gone to zero, two others were showing 3v + . I tried unsuccessfully to kick the zero cell into life by charging as NiCad, at NiMh, but it stubbornly stayed at zero. Reluctant to bin it I salvaged the 2 good cells and turned it into a 2s 800mA. Here's how