Search: Posts Made By: ron_van_sommeren
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11-30-2021, 07:08 PM
Replies: 1
Views: 374
Posted By ron_van_sommeren

Pre-emptive 'member' removal?

Suggestions:
drkamagra
goldsilverratetoday

yellowscomtw
markcalculate

More suggestions:
www.wattflyer.com/forums/memberlist.php?&order=desc&sort=joindate...
11-26-2021, 11:41 PM
Replies: 7
Views: 1,631
Posted By ron_van_sommeren

This one popped up yesterday. ...

This one popped up yesterday.

https://www.youtube.com/watch?v=wk6Qr6OO5Xo
10-27-2021, 03:35 PM
Replies: 1
Views: 333
Posted By ron_van_sommeren

Don't bother guys. Message is a straight copy...

Don't bother guys.
Message is a straight copy from this 2018 post:
www.wattflyer.com/forums/showthread.php?p=1015377 (https://www.wattflyer.com/forums/showthread.php?p=1015377)
10-13-2021, 09:50 PM
Replies: 5,516
Views: 1,139,424
Posted By ron_van_sommeren

Welcome :) Forum suggestion: You are...

Welcome :)

Forum suggestion:
You are burying your questions in a very general unrelated introduction thread.

Better post/start/search in dedicated subfora for more and (relevant)knowledgeable...
Forum: 3D Flying
10-11-2021, 12:13 AM
Replies: 5
Views: 511
Posted By ron_van_sommeren

www.kontronik.com/en/products/motors/ksg/ksg.html...

www.kontronik.com/en/products/motors/ksg/ksg.html (http://www.kontronik.com/en/products/motors/ksg/ksg.html)
Forum: 3D Flying
10-10-2021, 08:44 PM
Replies: 5
Views: 511
Posted By ron_van_sommeren

The model has a span of 2.6 meters and is...

The model has a span of 2.6 meters and is operated on 14S with the KONTRONIK helical gearbox, the PYRO 850-50L and a COOL KOSMIK 200 HV

https://youtu.be/oadiW-N7T78
Forum: 3D Flying
10-09-2021, 07:52 PM
Replies: 5
Views: 511
Posted By ron_van_sommeren

www.plettenberg-motoren.com ...

www.plettenberg-motoren.com
www.lehner-motoren.com
www.kontronik.com (http://www.kontronik.com/en.html)
www.modelmotors.cz
shop.torcman.de (https://shop.torcman.de/)
www.hacker-motor.com...
10-06-2021, 12:31 AM
Replies: 4
Views: 636
Posted By ron_van_sommeren

@moderators This is not the first copy message...

@moderators
This is not the first copy message troll post here, and on other fora as well, probably not the last one either.
How about a mandatory waiting period between registration and first post?
10-05-2021, 09:27 PM
Replies: 4
Views: 636
Posted By ron_van_sommeren

Female username, hmm, lets search for exact...

Female username, hmm, lets search for exact phrase...
Forum: Beginners
09-29-2021, 06:26 PM
Replies: 1
Views: 162
Posted By ron_van_sommeren

Some well-structured reading for rainy/windy...

Some well-structured reading for rainy/windy days, including e-flight_101 & 102, and some handy e-tools.
Will save you, and us :D a lot of questions. Notably the 'what went wrong?' kind of questions...
09-28-2021, 06:46 PM
Replies: 5
Views: 577
Posted By ron_van_sommeren

Info and tests, about C-ratings, discharge rates,...

Info and tests, about C-ratings, discharge rates, stickertuning and other blatant lies. Using uniform tests, getting published/referred in opening posts:
Battery Load Test Comparisons - RCG...
09-17-2021, 12:43 PM
Replies: 12
Views: 759
Posted By ron_van_sommeren

Motors can handle any voltage in RC land, as long...

Motors can handle any voltage in RC land, as long as rpm and current don't get too high.
Wire insulation lacquer/resin is tested up to several hundred volt.
09-17-2021, 12:35 PM
Replies: 12
Views: 759
Posted By ron_van_sommeren

That would not be necessary if your setup only...

That would not be necessary if your setup only draws say 50A.
A setup draws the current it has to draw, even if it would lead to destruction of battery, controller or motor.
At full throttle ESC...
09-09-2021, 02:13 PM
Replies: 11
Views: 8,238
Posted By ron_van_sommeren

RCG user skylar a.k.a. Christo van der Merwe, has...

RCG user skylar a.k.a. Christo van der Merwe, has built several wind generators
www.bavaria-direct.co.za (http://www.bavaria-direct.co.za)
→ Generators
09-06-2021, 07:09 AM
Replies: 6
Views: 722
Posted By ron_van_sommeren

If you cannot but extend, extend the motorwires,...

If you cannot but extend, extend the motorwires, not the batterywires, and keep controller(s) close to battery(s).
No need for extra input capacitors, resulting in more space, less costs and less...
09-06-2021, 07:07 AM
Replies: 6
Views: 722
Posted By ron_van_sommeren

UBEC is an old propriatery brand name, a generic...

UBEC is an old propriatery brand name, a generic informationless acronym for a standalone BEC: Universal BEC.
I prefer LBEC, linear (https://en.wikipedia.org/wiki/Power_supply#Linear_regulator), and...
09-06-2021, 07:05 AM
Replies: 6
Views: 722
Posted By ron_van_sommeren

Do you have flying experience? With? ...

Do you have flying experience? With?

Brushless motors each must have their own brushless controller.

Don't use banana plugs, poor contact, high resistance, not designed for high current.
...
09-06-2021, 07:01 AM
Replies: 6
Views: 722
Posted By ron_van_sommeren

Current is too high for battery and/or battery...

Current is too high for battery and/or battery not fully charged?
Have you measured current?
How did you decide upon voltage, Kv and fan-type?

A batterytester is very crude, not really a good...
09-03-2021, 07:18 AM
Replies: 3
Views: 693
Posted By ron_van_sommeren

If you cannot but extend, extend the motorwires,...

If you cannot but extend, extend the motorwires, not the batterywires, and keep controller(s) close to battery(s).
No need for extra input capacitors, resulting in more space, less costs and less...
Forum: Power Systems
09-03-2021, 07:12 AM
Replies: 8
Views: 767
Posted By ron_van_sommeren

At wide open throttle the ESC has no say in...

At wide open throttle the ESC has no say in current and power drawn, it will pass those on as the system demands, even if it would lead to its fiery death.

The system
An e-motor will try to keep...
Forum: Power Systems
09-03-2021, 07:06 AM
Replies: 8
Views: 767
Posted By ron_van_sommeren

I don't want to be the proverbial wet blanket but...

I don't want to be the proverbial wet blanket but I feel obliged to warn you.
25kiloWatt is a lot of power for an electrics and eflight noob, especially with a prop attached to it.
Even though I am...
Forum: Power Systems
09-01-2021, 04:26 AM
Replies: 8
Views: 767
Posted By ron_van_sommeren

What is your project, what do you want to power,...

What is your project, what do you want to power, what do you want to achieve?
Is it RC, man-carrying, traction, boat, ...?
Where do you live?

Each brushless motor needs its own brushless...
09-01-2021, 03:53 AM
Replies: 2
Views: 658
Posted By ron_van_sommeren

In Europe www.heerdegen-balsaholz.de , English...

In Europe
www.heerdegen-balsaholz.de , English & German
www.thomabalsa.com
Forum: Beginners
08-26-2021, 07:16 PM
Replies: 3
Views: 712
Posted By ron_van_sommeren

There's absolutely no need to crash it prof,...

There's absolutely no need to crash it prof, crashing does not have to be a given.
I.e. if you can get someone to check/measure/correct your build/setup and let him do the first and tuning flights....
08-23-2021, 09:37 PM
Replies: 17
Views: 3,337
Posted By ron_van_sommeren

Agreed, Lucien Miller does and knows his...

Agreed, Lucien Miller does and knows his business, excellent advice, does all the prop testing.
Forum: Power Systems
08-22-2021, 03:42 AM
Replies: 7
Views: 720
Posted By ron_van_sommeren

Connect ESC to other receiver channel, to keep...

Connect ESC to other receiver channel, to keep power, and connect servo to throttle channel.
Is servo throw what you would expect?
Can you see output of that channel on transmitter display?
Are...
Forum: Power Systems
08-21-2021, 03:03 AM
Replies: 7
Views: 720
Posted By ron_van_sommeren

A brushless controller + motor constitute an...

A brushless controller + motor constitute an isosynchronous closed loop system. Therefore, without a working motor connected to the ESC, you won't be able to see/measure anything.
A brushless motor...
07-17-2021, 12:52 AM
Replies: 3
Views: 896
Posted By ron_van_sommeren

Same make/type/capacity/C-ratinghistory, charge...

Same make/type/capacity/C-ratinghistory, charge and discharge them as one pack.
Forum: Beginners
07-06-2021, 10:29 PM
Replies: 4
Views: 935
Posted By ron_van_sommeren

Hold yer horses! Some useful and I hope...

Hold yer horses!
Some useful and I hope instructive insights first, before you start plugging in numbers. To get some feeling/insight, and to get rid of a few possible misconceptions.

The 'full'...
Forum: Beginners
07-05-2021, 09:52 PM
Replies: 4
Views: 935
Posted By ron_van_sommeren

That advice is obsolete now. Nowadays it's...

That advice is obsolete now. Nowadays it's brushless: lower weight and higher efficiency.
Don't forget: you need a brushless controller for a brushless motor. (And a brushed controller for a brushed...
Showing results 1 to 30 of 500
 


 
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