Lima Hotel Foxtrot
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Posts posted by Lima Hotel Foxtrot
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On 30/03/2023 at 21:48, J D 8 said:
Plane on a conveyour belt by Mythbusters avaiable on Youtube
Your first assumption is wrong LHF. Plane does not care if on static or moving surface, it moves forward and lifts off in the normal way.
Yep, you're quite correct. I had a lightbulb moment and realised that the wheels are not acting on the belt, the whole issue revolves around the propeller acting on the air.
QED! 😀
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On 08/02/2022 at 09:13, Jon - Laser Engines said:
The model would be completely aerobatic on the 52 and any suggestion that it will need full power all the time is completely wrong. Will it prop hang? no, but its not supposed to. Given the choice i would certainly take a 52 powered version over a 90 powered version.
As the model is already assembled and more or less ready to go i would fly it as is. If you decide it needs more power later on then you can always fit something slightly bigger. In all honesty though i think you will find the 52 just fine unless the thing is really heavy for some reason. the 52 will probably perform best on a 12x6 prop (apc not master) and should be rather nice.
I can't believe I'm typing this, but I actually agree with Jon on something!
As stated, just because we can put heaps of instant power in a plane does not mean we should or have to do so. The art of managing the energy of the plane in flight to transition from one manoeuvre to another is a skill largely ignored now. Why bother when you can just whack open the throttle* and go vertical to deal with any problems?
Plus, a kit built Wot 4 will be heavier (so better in wind) and a large, thick prop at idle as you flare will act almost like an airbrake, allowing you to put the plane down pretty much where you want on the strip.
*Not convinced "throttle" is the correct term when talking about electric. Discussion for another time.
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A plane needs to roll forward on it's wheels against a static surface to create lift.
Increae in throttle = Wheel rotation.
Wheel rotation = opposing speed of belt rotation.
Therefore the wheel rotation and belt speed cancel each other out.
Therefore the plane is stationary.
Therefore no airflow over the wings.
Therefore no lift.
QED.
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7 hours ago, Cuban8 said:
Will try them out at some point.
Hmmm.....just had a look at their lipos, not a bad price including 'free' postage but a two month delivery time!
Ah, but if you buy now they will be here in time for the good weather.
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4 hours ago, Don Fry said:
I always thought that the hard bit for delivery services is the last mile.
So, a motorised robot box, on wheels, top speed 6mph, with a dozen or so bins. Stops outside the house, and phones you your stuff is here, and supplies your bin code. Walk out, open your box, if hot food, heated box, take your stuff.
Not saying practicable, but a league easier than a flying machine.Already been happening in Northampton for a while, with success in delivering Co-op groceries in a certain local area store radius. The locals I know there think it's pretty handy.
https://www.bbc.co.uk/news/uk-england-northamptonshire-62180981
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2 hours ago, Peter Miller said:
Look further back up this thread and you will see that round here it is commonplace. As for leaping about and going into paroxysms of excitement, Well, hardly.
But then I suppose we see to many round here and personally I have been around and in too many great aircraft to get so excited about a commonplace one.
It must be nice to be so special, but that's no reason to dump all over what was clearly an exciting moment for a couple of average guys enjoying their hobby in a field. Most people here would be extremely pleased that this happened to them.
As for the subject of the thread: The pillock responsible has been caught and punished in a way commensurate with the public good. Destroying his gear isn't going to stop him buying more, and he has been roundly castigated on the dedicated FPV and MR forums. You never know, the fact that he was caught may even make some people think twice.
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1 hour ago, Jon - Laser Engines said:
Well that depends. Do you want it done quickly or thoroughly? Cant have both.
I dont think the human cost is lost on anyone here. Its a given and does not need discussion. The thing being discussed is why, just as was discussed on the other thread regarding the accident in the US between the P63 and B17 without any issues.
Disasters in general are fascinating things to study. Understanding why a thing happened is important, especially to those who may change rules or whatever to prevent them happening again. Also consider we make movies about them and watch for entertainment. Something which is arguably more ghoulish than our conversation here.
I can virtually guarantee kids will be playing a Battlefield Ukraine computer game in years to come in the same way i play a WWII combat flight sim for my amusement and entertainment today while observing a minutes silence on Nov 11...Humans are a strange bunch. Rather contradictory.
I agree absolutely, but one has to admit that going into amateur forensic detail by picking over the events leading up to (and the aftermath) of a tragedy is, well, a bit hmmmmmmm.
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The debate here seems very ghoulish.
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Guild gloss silver will be fuel proof, but petrol may need a coat of something else as well?
https://addlestonemodels.co.uk/spectra/guildspectra-gloss-silver-spray-paint-400ml
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9 minutes ago, Solly said:
Martin, I completely agree with your sentiments. And I can assure you that I'm aware that the forum is available to everyone. My problem is that people of a sensitive nature, as you diplomatically put it, can make comments promoting their own point of view, but as soon as anyone has the temerity to disagree, the rather unpleasant replies start. A previous correspondent asked me to remember the 1930's! For heaven's sake. Another stated that I was commenting from the safety of my keyboard! And all this vitreol stems from the light hearted comment (not even made by me!) that a drone flyer better not interfere with a sporting event. The mind boggles.
I agree with all of the above, but I think I should be making clear that it was not the opinion that illegal and irresponsible flying (by anyone of anything anywhere!) be punished that I disagreed with, but the unthinking and irresponsible comment of "otherwise I will hunt him down, and perform surgery with one of his rotors" that I wished to draw attention to.
None of this began about anyone being overly sensitive, until some members decided to make it about that and tried to justify their own attitudes towards, well, the entire modern world. I've been called a snowflake on this forum more than once, but maybe those people casually tossing around words to protect themselves from having to consider other peoples opinions need to take a good, long look at themselves and ask "who is the snowflake? Am I the snowflake?"
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Just now, Tim Kearsley said:
OK, I'll duck out of this now, it's beyond a joke.
But I thought you liked a bit of banter?
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2 minutes ago, Solly said:
Martin, I totally respect your opinion. But you're asking me and many older people like me to drastically change our banter and completely harmless sense of humour to obey the alien rules of a modern society which is apparently determined to change the behaviour of this country to fit in with their own vision. Sorry, but no way.
The impression you're giving is that everyone should change their behaviour to suit you? I don't think you're sorry. It's easy to write that from the safety of a keyboard. As is what I just wrote.
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I love the way that on this forum an attempt to make a point about the type of overreacting in threads that are ALWAYS about multirotors (yes, I know the comment was clearly tongue-in-cheek; I'm not stupid) promptly results in more overreacting, and directed abuse.
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On 22/01/2023 at 11:31, Don Fry said:
As long as he keeps away from the Six Nations, otherwise I will hunt him down, and perform surgery with one of his rotors.
Does this forum really need these sort of comments? I know it's only a matter of time in this sort of thread before somebody turns into a Saudi Arabian keyboard Rambo, but seriously, what does it gain us?
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Try digging into the folder where it installed, find the .exe file and right clicking to bring up the context menu. There should be an option to run in compatibility mode.
I suspect that you are running into an issue where the software is now incompatible with the substantially different win 10 architecture.
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Would it be too simplistic to say "torque rods"?
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2 minutes ago, Greg said:
Thank you that's interesting. Wow. Being new to RC flying am I learning a lot! Do you know what dongle I am supposed to get and where I could get one online?
No idea! I assume it would need to be the specific original manufacturer of the software, but as Pheonix is now abandonware and thus unsupported for official updates the software itself may not run on a newer computer, and that's before you have to trust a random Amazon/Ebay seller of dongles.
My 2p: Realflight. It works, it comes in a variety of versions and it is supported.
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A dongle is:
- an device that plugs into the computer (usually via USB) that confirms you have a legal copy of the software and will allow you to run the software. This is because certain programmes look for an appropriate dongle before they run. Beware, one of the reasons Pheonix is now abandonware is because people were pirating the software and selling fake dongles. Internet connections for registration have basically killed off the concept of a dongle for newer software.
- the dongle is distinct from the USB adaptor running from your TX to the computer because it is required to run the software (as opposed to using the software when it is running), although people do use the word interchangeably. Those people are wrong.
- "Dongle" is a very pleasing word to say.
I would recommend looking at Realflight. It's updated on a regular basis, has a vast number of models and flying sites and extremely accurately models all the the Horizon Hobbies models which can smooth the transition between sim flying and real-world flying.
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1 hour ago, Martin Harris - Moderator said:
I would second this advice and encourage any responsible model flyer to subscribe. At a minimum, I would suggest that all club safety officers should do so and perhaps the BMFA and other organisations should press for all their clubs to nominate/confirm a contact email during the annual renewal process and publicise/encourage use of the facility via their member communication channels?A good sign-up rate from model flyers can only reinforce our case as being responsible members of the aviation community.
Agreed, but I would suggest that the entire club committee should sign up as a matter of course. I do as club chairman, as do the secretary and treasurer.
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Every time a thread like this gets started, I wait for the first exhortations to throw the book/string 'em up/chop their hands off etc from the keyboard warriors. I rarely have to wait long.
For those of you who moan about how the CAA isn't doing it's job, or is doing it's job but not how you would do it, or how the punishments are too lenient, or how more people need educating... The CAA currently has a job vacancy for an RPAS Policy Specialist. So if you're an expert with loud and obnoxious opinions why not put your money where your mouth is and make an attempt at influencing the RPAS world instead of repeating the same tiresome bleatings yet again.
https://careers.caa.co.uk/job/Gatwick-RPAS-Policy-Specialist/888024901/
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9 hours ago, Denis Watkins said:
An interested party at the field picked up my radio and was click clacking the buttons.
Later I discovered I had about half stick throttle.
UNBELIEVABLY bad form!
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Addlestone models have these on the shelf. Give them a call, they're very helpful fellows.
https://addlestonemodels.co.uk/spectra/guildspectra-matt-olive-drab-spray-paint-400ml
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53 minutes ago, martin collins 1 said:
Dial flooring foam or their insulation foam (found in different areas of B&Q) are forms of depron and very light, HobbyCraft foam board has a paper covering on either side and is heavier but much stronger so ideal for the structural parts, the paper can be removed with your heat iron to soften the glue bonding it, thus saving weight but loosing some of the structural strength.
Yup. Perhaps I should have been more detailed: When I weighed Westfoam foamboard from HobbyCraft in 100cm sq pieces, the average weight was 6g, 4 of which was the paper backing (removed in the tests via a light steam over a boiling kettle).
What I'm asking is if there is a major weight difference between foamboard and this Diall sheet, which may be very close to the Depron I can get in my LMS, but may not be as good when forming curves without heating due to it's above reported brittle nature.
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Intriguing. Some of those models in the video look challenging to fly - that F-104 has virtually no wing area (!) - but those are some great designs and the concept has gone straight onto the To Do List.
Is there much of a weight difference between the Diall flooring foam and, say, HobbyCraft Foamboard or regular Depron?
The moving runway thought puzzle
in All Things Model Flying
Posted
Well, obviously.