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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Got Static? Say No More, Me Fixum Problum and How
05-08-2013 04:53 PM  6 years ago
icanfly

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MarkC, I know what your saying and should have realized it sooner electrons are in everything, sometimes more electrons are in things, sometimes less. They flow from molecules of one sort or another, an electron is not + or -.

An abundance of electrons gathered on the belt makes it positively charged.

The problem begs to ask, if suppose the belt drive pulleys were made of ceramic, there would be no static due to it's non conductive nature.

There might be other non conductive materials useful to the heli without being difficult to implement.

Thanks everyone for all your interest, soon will be re-igniting the Shuttle, fbl conversion, it's belt drive tail.
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05-08-2013 06:16 PM  6 years ago
DougPenhall

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Electrons have a negative charge so an abundance of electrons gathered on the belt would make it negatively charged. For the belt to be positively charged there would have to be a lack of electrons.
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05-08-2013 06:45 PM  6 years ago
RogerRabbit62

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That's the way to go.
also take a lead pencil and hold it against the running belt until there is a little film on it.

If you want to be sure, go with a small wire and connect the copperbrush to the cabon parts
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05-08-2013 07:28 PM  6 years ago
RCHSF

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I took my 450 up for first hover test. Using an older lipo 11.1v 2200 20C, but always kept at 3.85 storage charger per cell. Set timmer to 6 minutes. My throttle activates and stops when I land to make radio adjustments. Well when I got back in a checked the cells they were down to 3.67v per cell no load. This Lipo is about two years old and only used maybe a dozen times. Maybe it's just past it's due date? Or is it possible with a ground from my motor mount to my tail bearing. Could that cause the motor to draw more current? Something about a negtive charge from the belt drawing the motors power down. hmmm
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05-08-2013 08:01 PM  6 years ago
RogerRabbit62

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Elektrostatic does not change power consumption at all.
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05-08-2013 09:48 PM  6 years ago
RCHSF

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Figures batt has meet it's maker so to speak.
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05-09-2013 12:37 AM  6 years ago
icanfly

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can't take anything for granted around here lol.

Theoretically, a belt with a surplus of negative electrons is positively charged, why then can't that energy be used to keep the battery juiced in flight?

If I were to isolate the brush and wire it to my lipo, what would happen? No one has tried have they?

RCHSF, a two year old battery is one year short of their shelf life I think. It is very odd that my gopro battery at first did not hold a charge but 6 months of recharging has made it hold a charge longer. gopro? go figure.

It'll be nice to know how long my flight times can be considering it's finally flying hicup free.
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05-09-2013 01:17 AM  6 years ago
dkshema

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Cedar Rapids, IA

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If I were to isolate the brush and wire it to my lipo, what would happen?
You'd have a long piece of wire, tied to a brush, at the same potential as the battery's output voltage, when measured with respect to the battery negative terminal. The long piece of wire, no matter how long, is a conductor. Tied to a fixed voltage source, it's a long piece of wire at the same voltage potential as the fixed voltage source it's tied to. As it is at the same voltage potential, there is no flow of electrons through the wire. And, as it is a long piece of CONDUCTIVE material, you just can't build up a static charge on it.
No one has tried have they?
Only the people who believe in magic, fairies, and pixie dust have.

If you want to make electricity with a piece of wire, wrap it into the shape of a coil and pass a magnet through it. Now you're talking!.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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05-09-2013 03:23 AM  6 years ago
icanfly

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that idea begs to be explored, and there is a practical use for a heli in some respect ,though the weight of the added parts might be un- attractive.

My apologies that even after this statement was made three times I still didn't get it right,
an abundance of electrons gathered on the belt would make it negatively charged
Took a little vid this aft and eve. As much as I'd like to show off a bit, my editing /production situation is very limited.
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05-09-2013 04:01 AM  6 years ago
dkshema

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that idea begs to be explored
Which idea? Magic, fairies, and pixie dust, or the coil of wire and a magnet?

If the former, good luck with that. If the latter, most of us in the 21st century would know that as a DC-generator. That, along with a few other odds and ends, has been made a workable system for a NITRO or gas-powered heli, using a standard battery pack to run the electronics. The small on-board generator is successful in that regard. Keep in mind that the power to make this successful does NOT come from the generator, but from the fact that you're burning fuel (nitro or gasoline) to make the heli's motor run.

Search the forum for "Jewel Generator".
-----

However, to attempt to charge your main flight battery in an electric heli using an on-board generator simply won't work. No way, no how, not now, or ever. Physics and the real world simply refuse to let this idea flourish and thrive. Although it has been established time and time again as impossible, people continue to think they have perpetual motion all figured out.

-----

You cannot charge your heli's battery by harnessing the static electricity it may or may NOT be generating.

-----

And for the record, you can't recharge your battery by hooking its output to the input of an inverter, then using that AC source to run a battery charger connected to the battery. But people still do come on here and try to explain how it's possible.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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05-09-2013 01:00 PM  6 years ago
RCHSF

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NC

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^^^inverters and such, it just makes the load heavy, and requires even more energy. And their for less time. Till you cycle down to nothing left.
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05-09-2013 02:47 PM  6 years ago
icanfly

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Magic, fairies, and pixie dust
that stuff.

Majic from the word MAGI or Maker or in simple understanding, the magnetic pole or "I".

Fairies, root = Fair, is currently misconstrued to mean something more of the spirit world than what in simpler times perhaps meant pleasant little things in life.

and pixie dust is actually the radiation flowing from the sun or strewn across the earth by meteor, comet, sun burst, or any of the air borne pollens that float through the air to germinate one plant or flower. There's dust in a persons breath, but a live one.

Jewel generator, interesting thing.

My ground wire to the chassis was off but the tail one on. I flew normally until 5 minutes later when it was time to land, then the gyro was unhappy and shut off. Time to re-attach the chassis ground.
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05-10-2013 12:23 AM  6 years ago
icanfly

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Speaking of coils and magnets, or ferrous metals, your auto has a simple coil of wire around a metal core which enhances the release of electrons rapidly in use where spark plugs are concerned.

Has not a person measured how much electricity comes from a belt in a rc heli? What wave shape does a spark have?

Flew the 450 fbl conversion 20 ft up and in small patterns in the bkyrd somewhat confident the thing wouldn't veer off when the gyro hicup'd. A few more bkyrd runs and it's time for something more roomy, schoolyard, a few blocks away.
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05-10-2013 12:30 AM  6 years ago
RCHSF

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What wave shape does a spark have?
Not sure but pull the plug out of a push mower, hold it, and give the cord a yank and you'll see. I've done it many times to check the fire. Always makes your day brighter.
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05-10-2013 12:39 AM  6 years ago
icanfly

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probably a short spike similar to a heartbeat spike.

Here's a few pics from only a few hours ago,


.

up up and awayaaay!

Learned a valuable lesson today regarding "Space", mine and someone filming, don't mix well when dude steps closer to the heli than I am controlling it, BIG DISTRACTION, not safe.

Back on the topic of grounding, the belt drive shafts are the things that store static transferred from the belt. There's an extremely simple way to ground them, extremely simple, safe, care free, and predictable. If I get it together of course you'll see pics.

Belt heli is bug free.

And some poeple put a 12v 1000u micro farad cap on a spare rx - and + pin slot to boot.
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05-10-2013 05:30 AM  6 years ago
DougPenhall

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The belt may generate enough volts, but way too little current to be useful.
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05-21-2013 02:38 AM  6 years ago
alexf1852

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Inverness, FL - U.S.

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When I had my Logo 600, I had a persistent static issue. Grounding to motor mount (had continuity from tail shaft to motor mount) did not work. I ended up grounding to BAT negative. Never had static issues again.
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05-21-2013 05:28 AM  6 years ago
Brokenlink

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Oakdale

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This is all you need.
Jamie Griffith
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05-21-2013 08:13 AM  6 years ago
daviad smith

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zibo,shandong,china

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good,i have done as you say.looks nice.rc-helicopter owner
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05-21-2013 11:56 AM  6 years ago
icanfly

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ontario

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I ended up grounding to BAT negative. Never had static issues again.
at the esc side of your battery connection I gather will be simplest. I did think of this very early on because I've rebuilt motorcycles which have the chassis as continuous ground and is connected directly to the battery.

Thanks for throwing in that info in alexf1852.

Info through out this topic has taught me a few concepts about electricity I did not fully understand but have much experience with.

Why Belt Drive? Crashes are non existent at the moment but I do take off and land from mowed grass which will strip tt gears in a heart beat. It's nice not to worry if there is a clear piece of earth where-ever a park exists.
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