Search: Posts Made By: ron_van_sommeren
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11-08-2019, 05:36 PM
Replies: 2
Views: 151
Posted By ron_van_sommeren

I've noticed it too. As a result my replies to...

I've noticed it too. As a result my replies to first time posters have become shorter, and usually have a (relevant) question in it. If they don't answer it probably wasn't much of an issue to begin...
10-31-2019, 12:54 AM
Replies: 13
Views: 332
Posted By ron_van_sommeren

I read to fast apparently :oops: However,...

I read to fast apparently :oops: However, anti-spark principle is the same, an ESC too is an inverter and a switching power supply.
10-30-2019, 04:33 PM
Replies: 13
Views: 332
Posted By ron_van_sommeren

"The spark is your friend" (©CastleCreations...

"The spark is your friend" (©CastleCreations (http://www.CastleCreations.com/)).

No spark, then input caps are dead and rest of controller will soon follow (spikes higher than batteryvoltage...
10-30-2019, 04:25 PM
Replies: 13
Views: 332
Posted By ron_van_sommeren

Don't increase resistance value, and thus charge...

Don't increase resistance value, and thus charge time, too much. The controller might detect underdetect number of cells during ESC initialise.

Resistor calculator...
10-24-2019, 12:53 PM
Replies: 8
Views: 614
Posted By ron_van_sommeren

The controller is trying to tell you something in...

The controller is trying to tell you something in beep/morse code, using the motor as a poor loudspeaker.
Look up or google (make/type manual/instructions beep code) the code.
On Futaba...
10-14-2019, 01:22 PM
Replies: 26
Views: 1,087
Posted By ron_van_sommeren

Why? What is the project? The more info you gave,...

Why? What is the project? The more info you gave, to more specific and better the replies can be.
E.g. why do you need high-speed air?
E.g. do you need a small volume moving at high speed (ducted...
Forum: Power Systems
10-04-2019, 05:13 AM
Replies: 3
Views: 1,058
Posted By ron_van_sommeren

Any voltage, as long as current and rpm don't get...

Any voltage, as long as current and rpm don't get too high. Wire insulationlacquer can handle several hunderd volt.
Forum: Power Systems
09-19-2019, 06:19 PM
Replies: 6
Views: 1,091
Posted By ron_van_sommeren

And it keeps current in bounds during rotor speed...

And it keeps current in bounds during rotor speed up.
Forum: Humor
09-09-2019, 05:44 PM
Replies: 0
Views: 880
Posted By ron_van_sommeren

Brits and sex, and women.

https://youtu.be/5Ivsb79-h90

https://youtu.be/LS37SNYjg8w

https://youtu.be/BDtVJiK8Lws
09-03-2019, 06:26 PM
Replies: 8
Views: 1,854
Posted By ron_van_sommeren

Not the cause of your problems, but ... Keep...

Not the cause of your problems, but ...

Keep the wires short battery-side whenever possible, or else install extra capacitors. All caps on/near ESC!
Keep controller(s) close to battery if...
09-03-2019, 06:22 PM
Replies: 8
Views: 1,854
Posted By ron_van_sommeren

Don' t remove the plus/red pin completely, you...

Don' t remove the plus/red pin completely, you may need it again in another plane.

https://static.rcgroups.net/forums/attachments/3/0/1/8/a6736538-193-user38_pic109922_1338992600.jpg
...
Forum: Beginners
09-02-2019, 06:44 PM
Replies: 7
Views: 2,412
Posted By ron_van_sommeren

What should a car engine do when you push the...

What should a car engine do when you push the pedal/throttle all the way to the floor?
Maximum power without ruining the engine.
09-01-2019, 12:23 AM
Replies: 7
Views: 539
Posted By ron_van_sommeren

I find myself doing that more and more. In this...

I find myself doing that more and more.
In this case juist the quick eCalc link from me to test the water, nothing more. And lo and behold, silent water.
08-31-2019, 11:41 PM
Replies: 7
Views: 539
Posted By ron_van_sommeren

Don't waste your time on OP, hasn't been only...

Don't waste your time on OP, hasn't been only since he posted, more than half a year ago, no feedback from him. Just another Area51, electric turbocharger, design-me-this, project.
Forum: Beginners
08-30-2019, 09:32 PM
Replies: 7
Views: 2,412
Posted By ron_van_sommeren

In fact, it increases wear and tear. Full...

In fact, it increases wear and tear. Full throttle is easiest on a controller.

Trainer and training suggestions:
Advice for getting into flying RC airplanes, and how not to - The Ampeer...
08-28-2019, 11:37 PM
Replies: 5
Views: 8,996
Posted By ron_van_sommeren

Online yesterday. ...a lot of the time, C...

Online yesterday.

...a lot of the time, C stands for crap...
Have you ever wondered how a 100C battery gets away with an XT60 connector that is only rated for 60A? If you use lipo batteries in...
08-16-2019, 01:28 AM
Replies: 11
Views: 3,101
Posted By ron_van_sommeren

On the other hand, Kv has a huge effect on...

On the other hand, Kv has a huge effect on current a motor (tries to) draws, current is proportional to Kv cubed (and proportional to voltage squared).

E.g. doubling Kv would 2³=8fold current,...
08-15-2019, 03:31 PM
Replies: 3
Views: 3,324
Posted By ron_van_sommeren

black = blue = minus white = red = plus ...

black = blue = minus
white = red = plus

But why not remove wires completely, or buy new plugs?

Connector tests, plus pictures
translate...www.elektromodellflug.de/hochstrom-st.-bu..html...
08-15-2019, 03:22 PM
Replies: 2
Views: 1,332
Posted By ron_van_sommeren

Has De Havilland ever designed inelegant planes?

Has De Havilland ever designed inelegant planes?
08-15-2019, 03:20 PM
Replies: 11
Views: 3,101
Posted By ron_van_sommeren

Ir will pay for itself, several times over. ...

Ir will pay for itself, several times over.

Without a watt-meter (http://www.wattflyer.com/forums/attachment.php?attachmentid=117297) you are in the dark.
Until something starts to glow...
08-15-2019, 03:04 PM
Replies: 11
Views: 3,101
Posted By ron_van_sommeren

Conservative rule of thumb for a motor's...

Conservative rule of thumb for a motor's max.power: 3-4 watt per gram motormass. A safe starting point.

Note that Kv says absolutely nothing about max.power or max. current a motor can handle, or...
08-10-2019, 09:18 PM
Replies: 5
Views: 8,996
Posted By ron_van_sommeren

New version of Wayne Giles' battery internal...

New version of Wayne Giles' battery internal resistance tester
The official new ESR/IR Mark II meter thread – NB: READ THE FIRST 10 POSTS - RCG...
08-07-2019, 04:47 PM
Replies: 15
Views: 8,828
Posted By ron_van_sommeren

Nigel, Abuelo, all good and sound info, but alas,...

Nigel, Abuelo, all good and sound info, but alas, this thread is from 2007, and TS has not been online since mid 2009.

A poor motor contact can even burn out motor and/or controller. Don't play...
Forum: Beginners
07-24-2019, 10:36 PM
Replies: 6
Views: 6,218
Posted By ron_van_sommeren

Such a link is not an accidental typo Bill. And...

Such a link is not an accidental typo Bill.
And probably copied the message from an earlier thread.
Forum: Beginners
07-23-2019, 08:13 PM
Replies: 6
Views: 6,218
Posted By ron_van_sommeren

Ah, #$*$%!!!, wasted my time on another spammer.

Ah, #$*$%!!!, wasted my time on another spammer.
Forum: Beginners
07-23-2019, 05:37 PM
Replies: 6
Views: 6,218
Posted By ron_van_sommeren

To meet the natives, shops, clubs, events,...

To meet the natives, shops, clubs, events, meetings, shows
www.baronerosso.it (https://wattflyer.com/forums/www.baronerosso.it) → community → forum
&...
Replies: 3
Views: 4,645
Posted By ron_van_sommeren

Better replace all Tx and Rx cells, they are too...

Better replace all Tx and Rx cells, they are too old, too long without use/usage/cycling.
A fully charged NiMH cell fresh from charger can give 1.4 -1.5volt. Voltage will drop after a few minutes....
Forum: Power Systems
07-09-2019, 02:01 PM
Replies: 1
Views: 733
Posted By ron_van_sommeren

Depending on your location, they can be purchased...

Depending on your location, they can be purchased from here:
Australia + Worldwide: www.nextfpv.com.au (https://www.nextfpv.com.au/)
Australia + Worldwide: shop.powerdrives.net...
07-09-2019, 01:46 PM
Replies: 4
Views: 4,712
Posted By ron_van_sommeren

Lovely indeed. Your controllers are near the...

Lovely indeed.

Your controllers are near the motors, where are the batteries positioned?

Keep controller(s) close to battery if possible, and extend motor wires.
Keep the battery wires short,...
07-05-2019, 12:27 AM
Replies: 7
Views: 7,770
Posted By ron_van_sommeren

The less than 250g (about 9oz.) Speedmodells -...

The less than 250g (about 9oz.) Speedmodells - RCG (https://www.rcgroups.com/forums/showthread.php?3141614-The-less-than-250g-%28about-9oz-%29-Speedmodells)
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