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Search: Posts Made By: ron_van_sommeren
Forum: Beginners 06-05-2016, 04:03 PM
Replies: 11
Views: 422
Posted By ron_van_sommeren
Some reading for rainy/windy days. Will save you,...

Some reading for rainy/windy days. Will save you, and us http://static.rcgroups.com/forums/images/smilies/biggrin.gif, a lot of questions.
Will also prevent you from burning up several controllers...
Forum: General Electric Discussions 05-09-2016, 10:17 PM
Replies: 11
Views: 538
Posted By ron_van_sommeren
See Manuel's post Unknown motor - RCG...

See Manuel's post
Unknown motor - RCG (http://www.rcgroups.com/forums/showthread.php?p=34727712#post34727712)
Forum: Beginners 04-09-2016, 10:55 PM
Replies: 46
Views: 1,150
Posted By ron_van_sommeren
It is a good practice to have some headroom built...

It is a good practice to have some headroom built in.
Lucien Miller (Scorpion USA (http://www.innov8tivedesigns.com)) about derating motors, controllers, batteries, electronics in general:

...
Forum: Scratch and Kit Built Aircraft 03-25-2016, 09:42 PM
Replies: 21
Views: 1,688
Posted By ron_van_sommeren
I'm with RR above, I would shelve this plane/kit...

I'm with RR above, I would shelve this plane/kit for a while, and learn to build/fly with a much more suited beginnersplane. This plane will 'fly' 5seconds, tops, and that would be such a shame of...
Forum: General Electric Discussions 03-12-2016, 03:34 PM
Replies: 6
Views: 383
Posted By ron_van_sommeren
Why do you want/need to rewind the motor? ...

Why do you want/need to rewind the motor?

The three phases are either hooked op in (parallel)star or (parallel)delta, but I doubt whether a manufacturer uses the parallel versions.
Can you post...
Forum: Off Topic Chit Chat 03-12-2016, 01:51 AM
Replies: 30
Views: 1,055
Posted By ron_van_sommeren
Thumbs up A soldering errror, from a compilation of...

A soldering errror, from a compilation of hilarious Dutch and Belgian/Flemish errors by fellow modelbuilders...
Forum: Off Topic Chit Chat 02-20-2016, 03:05 PM
Replies: 35
Views: 1,355
Posted By ron_van_sommeren
You'd have to use a Firefox browser.

You'd have to use a Firefox browser.
Forum: Off Topic Chit Chat 02-19-2016, 12:59 PM
Replies: 35
Views: 1,355
Posted By ron_van_sommeren
Forgot to mention the Firefox uBlock Origin add...

Forgot to mention the Firefox uBlock Origin add on.
Cookies on a allow-per-site base.

I use Ixquick.com (http://Ixquick.com)
.
Forum: Off Topic Chit Chat 02-18-2016, 12:24 PM
Replies: 35
Views: 1,355
Posted By ron_van_sommeren
Nothing here. Lubuntu,...

Nothing here.
Lubuntu, Firefox/NoScript/Ghostery/FlashBlock
Forum: General Electric Discussions 11-02-2014, 08:46 PM
Replies: 6
Views: 570
Posted By ron_van_sommeren
Motorcurrent wants to go up with voltage squared...

Motorcurrent wants to go up with voltage squared (and with Kv cubed).
In this case be factor (11.1/8.4) = 1,9! Worst case, ignoring bit of voltage sag due to increase in current.
Forum: Beginners 10-15-2014, 12:36 PM
Replies: 12
Views: 1,421
Posted By ron_van_sommeren
For a rainy day(s) E-flight 101 by RCG...

For a rainy day(s)

E-flight 101 by RCG member Ken Myers, will at least save you a ruined LiPo (or worse!), a burnt motor and a fried ESC:
The Ampeer (http://www.theampeer.org/framesefo.html)
->...
Forum: Electronic Builders Workshop 09-19-2014, 10:53 PM
Replies: 13
Views: 1,790
Posted By ron_van_sommeren
Sticky: e-flight calculators (compilation)...

Sticky: e-flight calculators (compilation) (http://www.rcgroups.com/forums/showthread.php?t=606703)

Notably Drive Calculator, Scorpion Calc and derivatives, E-Calc. E-Calc is not freeware.

FAQ...
Forum: Electronic Builders Workshop 09-19-2014, 12:12 AM
Replies: 13
Views: 1,790
Posted By ron_van_sommeren
The Kv constant is not a rating, not a figure of...

The Kv constant is not a rating, not a figure of merit, it's just a characteristic. More windings will give lower Kv, less windings will give higher Kv, that's all there is to it. No big deal, anyone...
Forum: Scratch and Kit Built Aircraft 09-06-2014, 03:28 PM
Replies: 18
Views: 2,049
Posted By ron_van_sommeren
www.rbckits.com

www.rbckits.com
Forum: Batteries & Chargers 08-21-2014, 08:39 PM
Replies: 7
Views: 1,029
Posted By ron_van_sommeren
Charger tests, including the 206B ...

Charger tests, including the 206B
translate...www.elektromodellflug.de...
Forum: Foamies 07-31-2014, 12:39 PM
Replies: 8
Views: 1,264
Posted By ron_van_sommeren
If motor runs in wrong direction, switch any two...

If motor runs in wrong direction, switch any two of the three motorwires to reverse rotation.
Forum: Power Systems 07-30-2014, 12:02 PM
Replies: 12
Views: 1,617
Posted By ron_van_sommeren
Keep in mind that ... A motors Kv constant...

Keep in mind that ...

A motors Kv constant says nothing about max.power, max.current, efficiency, rpm, quality etc. (http://www.rcgroups.com/forums/showthread.php?t=2131492)
The Kv constant...
Forum: Off Topic Chit Chat 07-16-2014, 12:31 PM
Replies: 55
Views: 4,571
Posted By ron_van_sommeren
RCG made a mistake, they corrected it, all 25 of...

RCG made a mistake, they corrected it, all 25 of them ;), with the help of people in this WFF thread.
Everybody happy :)

I cannot reply in Nigel's RCG thread, otherwise I would have mentioned it...
Forum: Off Topic Chit Chat 07-14-2014, 12:40 PM
Replies: 55
Views: 4,571
Posted By ron_van_sommeren
got permanent ban on RCG

I can't even appeal anymore.
25 'reasons' (http://www.rcgroups.com/forums/search.php?do=finduser&u=3018) for my permanent ban:
www.rcgroups.com/forums/search.php?do=finduser&u=3018...
Forum: General Electric Discussions 06-21-2014, 05:40 PM
Replies: 7
Views: 762
Posted By ron_van_sommeren
Charge/discharge rates as a function of #cells ...

Charge/discharge rates as a function of #cells
www.scriptasylum.com (http://www.scriptasylum.com)
-> RC calculationshttp://www.scriptasylum.com/images/rccalculations.jpg...
Forum: General Electric Discussions 06-17-2014, 10:52 PM
Replies: 8
Views: 628
Posted By ron_van_sommeren
Don't play with throttle when this occurs, you...

Don't play with throttle when this occurs, you may burn motor and/or controller.
Forum: Batteries & Chargers 06-15-2014, 05:37 PM
Replies: 9
Views: 1,701
Posted By ron_van_sommeren
I know you know :) but I'm always a bit...

I know you know :) but I'm always a bit (over)cautious with regards to beginners. Especially when (dis)charging is the topic.
Forum: Batteries & Chargers 06-13-2014, 03:07 PM
Replies: 26
Views: 3,155
Posted By ron_van_sommeren
Comparing charger limits, max.current goes down...

Comparing charger limits, max.current goes down as #cells goes up!, and power supplies
www.scriptasylum.com (http://www.scriptasylum.com/)
-> RC calculations...
Forum: Brushless Motor Construction 06-08-2014, 02:54 PM
Replies: 36
Views: 7,314
Posted By ron_van_sommeren
BTW wildflyer, you should replace all magnets....

BTW wildflyer, you should replace all magnets. Otherwise you end up with different magnet-strengths. And glue them in alternatingly.
Here's a nice method that will give you bomb-proof magnets...
Forum: Brushless Motor Construction 06-08-2014, 01:40 PM
Replies: 36
Views: 7,314
Posted By ron_van_sommeren
On Christo's diy motor building site ...

On Christo's diy motor building site
www.bavaria-direct.co.za
-> motor constants
Forum: Beginners 12-09-2012, 12:53 PM
Replies: 8
Views: 1,495
Posted By ron_van_sommeren
Very handy/instructive tools and calculators,...

Very handy/instructive tools and calculators, wiring diagrams, demos:
The Script Asylum (http://www.scriptasylum.com)
-> RC calculations...
Forum: Power Systems 10-03-2012, 04:43 PM
Replies: 15
Views: 3,088
Posted By ron_van_sommeren
How do you fly? Throttle management or WOT most...

How do you fly? Throttle management or WOT most of the time? Six feet is a LOT.

Battery wire resistance (voltage and power loss) is not the issue, when talking about long battery wires will kill...
Forum: Power Systems 09-16-2012, 02:16 PM
Replies: 2
Views: 1,180
Posted By ron_van_sommeren
Only Kv and power (better: max.current) are...

Only Kv and power (better: max.current) are important Steve. And to a lesser extent, efficiency (= $$$). Voltage does not kill a motor, current does: volts jolt, current kills. The rest follows from...
Forum: Beginners 09-15-2012, 12:43 PM
Replies: 55
Views: 8,650
Posted By ron_van_sommeren
New Weatronic (http://www.weatronic-usa.com/)...

New Weatronic (http://www.weatronic-usa.com/) transmitters, scheduled for 2013.

Hall-sensors (https://en.wikipedia.org/wiki/Hall_effect_sensor) (contactless) instead of pots...
Forum: Humor 09-09-2012, 12:02 PM
Replies: 2
Views: 901
Posted By ron_van_sommeren
Talking A typical sunny day in Great Brittain ...

A typical sunny day in Great Brittain.
Mayhem, Bloodshed, Trauma, Mutilation, Madness ...
Injury, Pain, Mishap, Perseverance, ...
Possible nudity ...

zps_w164URA
Showing results 1 to 30 of 133

 
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