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Search: Posts Made By: ron_van_sommeren
Forum: Power Systems 09-28-2014, 03:45 PM
Replies: 15
Views: 218
Posted By ron_van_sommeren
And too long battery wires will kill ESC over...

And
too long battery wires will kill ESC over time: precautions, solutions & workarounds - RCG (http://www.rcgroups.com/forums/showthread.php?t=952523)
Forum: Electronic Builders Workshop 09-19-2014, 10:53 PM
Replies: 13
Views: 204
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, 12:55 AM
Replies: 13
Views: 204
Posted By ron_van_sommeren
Sorry Fred, I did not mean do belittle you (or...

Sorry Fred, I did not mean do belittle you (or other people in the past), but how would someone less motor-knowledgable then you and I interpret this quote? I don't want TS to get the wrong idea,...
Forum: Electronic Builders Workshop 09-19-2014, 12:12 AM
Replies: 13
Views: 204
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: Brushless Motor Construction 09-18-2014, 12:32 PM
Replies: 12
Views: 237
Posted By ron_van_sommeren
Art, if I were you, I'd remove/mutilate your...

Art, if I were you, I'd remove/mutilate your e-mail address in your signature, before the spammers find you: art curl rc-wingman dot com.
People can use the forum private messages...
Forum: Scratch and Kit Built Aircraft 09-06-2014, 03:28 PM
Replies: 18
Views: 601
Posted By ron_van_sommeren
www.rbckits.com

www.rbckits.com
Forum: Batteries & Chargers 08-21-2014, 08:39 PM
Replies: 7
Views: 289
Posted By ron_van_sommeren
Charger tests, including the 206B ...

Charger tests, including the 206B
translate...www.elektromodellflug.de...
Forum: Batteries & Chargers 08-19-2014, 01:48 AM
Replies: 7
Views: 289
Posted By ron_van_sommeren
For playing a bit with the currentlimits for...

For playing a bit with the currentlimits for chargers, for given number of cells, per type/make
www.scriptasylum.com (http://www.scriptasylum.com/)
-> RC calculations...
Forum: Power Systems 08-11-2014, 12:37 AM
Replies: 1
Views: 130
Posted By ron_van_sommeren
Try the Electronic Builders Workshop...

Try the Electronic Builders Workshop (http://www.wattflyer.com/forums/forumdisplay.php?f=32) subforum.
Forum: Power Systems 08-06-2014, 11:11 AM
Replies: 3
Views: 178
Posted By ron_van_sommeren
Keep in mind Brian that ... The Kv constant...

Keep in mind Brian that ...

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...
Forum: Power Systems 08-05-2014, 11:07 PM
Replies: 9
Views: 248
Posted By ron_van_sommeren
What about helicopters then? Both motor and rotor...

What about helicopters then? Both motor and rotor shaft are vertical instead of horizontal. Not to mention belt reduction versus gear reduction and single stage versus double stage reduction. And...
Forum: Power Systems 08-05-2014, 03:36 PM
Replies: 9
Views: 248
Posted By ron_van_sommeren
There are 3 2 = 6 ways to hook up the...

There are 3 2 = 6 ways to hook up the motorwires, 3 of them will make the motor run CW, 3 of them will run motor CCW.

I kindly suggest you NEVER EVER visit Las Vegas, it would wreak havoc with...
Forum: Foamies 07-31-2014, 12:39 PM
Replies: 8
Views: 292
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 07-31-2014, 12:31 PM
Replies: 12
Views: 543
Posted By ron_van_sommeren
Typo Denny? Should be HP = P * D^4 * RPM^3 /...

Typo Denny? Should be
HP = P * D^4 * RPM^3 / 1.4E17
using superscript
HP = P * D^4 * RPM<sup>3</sup> / 1.4E17
Forum: Power Systems 07-30-2014, 12:02 PM
Replies: 12
Views: 543
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: Power Systems 07-26-2014, 01:25 PM
Replies: 12
Views: 543
Posted By ron_van_sommeren
This is the Brushless Motor Construction...

This is the Brushless Motor Construction (http://www.wattflyer.com/forums/forumdisplay.php?f=88) subforum. You'll get more viewers/answers in the Power Systems...
Forum: Off Topic Chit Chat 07-23-2014, 01:49 PM
Replies: 12
Views: 425
Posted By ron_van_sommeren
Lovely engines. What's the colour coating...

Lovely engines. What's the colour coating material in the cylinder heads Chellie?

BTW I have read about brake fluid as cleaner.
Forum: Beginners 07-19-2014, 06:31 PM
Replies: 10
Views: 269
Posted By ron_van_sommeren
Lucien Miller (Scorpion USA...

Lucien Miller (Scorpion USA (http://http://www.innov8tivedesigns.com)) about derating (http://https://en.wikipedia.org/wiki/Derating) for motors, controllers, batteries and electronics, starting at...
Forum: Off Topic Chit Chat 07-16-2014, 12:31 PM
Replies: 55
Views: 2,117
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 07-15-2014, 11:04 PM
Replies: 55
Views: 2,117
Posted By ron_van_sommeren
25 messages from RCG :) Boldface by me. ...

25 messages from RCG :)
Boldface by me.

Again, thank you guys&girls for your support and pats on the back.
Forum: Off Topic Chit Chat 07-15-2014, 01:00 PM
Replies: 55
Views: 2,117
Posted By ron_van_sommeren
Thank you guys&girls, and notably Nigel :) ...

Thank you guys&girls, and notably Nigel :)

Posting identical messages in response to similar (opening) posts is not cross-posting. I had already reported dailydigitaldeals spam several times,...
Forum: Off Topic Chit Chat 07-14-2014, 12:40 PM
Replies: 55
Views: 2,117
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 06-30-2014, 10:31 PM
Replies: 11
Views: 372
Posted By ron_van_sommeren
www.aircraft-world.com a.k.a. David Radford

www.aircraft-world.com a.k.a. David Radford
Forum: General Electric Discussions 06-21-2014, 05:40 PM
Replies: 7
Views: 281
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: Power Systems 06-19-2014, 12:43 PM
Replies: 17
Views: 541
Posted By ron_van_sommeren
And even KISSER i.e. if you want to use a...

And even KISSER i.e. if you want to use a separate battery:
4NiMH or 2LiFe
Forum: General Electric Discussions 06-17-2014, 11:18 PM
Replies: 8
Views: 285
Posted By ron_van_sommeren
Not the only thing(s) I have lost since my...

Not the only thing(s) I have lost since my previous picture was taken :D On the bright side, I gained a bit of forehead
Forum: General Electric Discussions 06-17-2014, 10:52 PM
Replies: 8
Views: 285
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: Brushless Motor Construction 06-17-2014, 08:15 PM
Replies: 72
Views: 6,974
Posted By ron_van_sommeren
Chamfer (bevel? what's the difference?) the edges...

Chamfer (bevel? what's the difference?) the edges with a file a bit before winding.
Forum: Batteries & Chargers 06-15-2014, 05:37 PM
Replies: 9
Views: 466
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 06-15-2014, 02:11 PM
Replies: 9
Views: 466
Posted By ron_van_sommeren
You were to fast there, two typos: mAh (unit of...

You were to fast there, two typos: mAh (unit of capacity) should be mA (unit of current).
Seems a bit over the top for a beginner. What batteries do you want to charge, voltage and capacity?
Showing results 1 to 30 of 500

 
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