Search: Posts Made By: ron_van_sommeren
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08-16-2019, 12:28 AM
Replies: 11
Views: 430
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 2=8fold current,...
08-15-2019, 02:31 PM
Replies: 3
Views: 519
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, 02:22 PM
Replies: 2
Views: 200
Posted By ron_van_sommeren

Has De Havilland ever designed inelegant planes?

Has De Havilland ever designed inelegant planes?
08-15-2019, 02:20 PM
Replies: 11
Views: 430
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, 02:04 PM
Replies: 11
Views: 430
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, 08:18 PM
Replies: 4
Views: 6,109
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, 03:47 PM
Replies: 15
Views: 8,500
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, 09:36 PM
Replies: 6
Views: 3,489
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, 07:13 PM
Replies: 6
Views: 3,489
Posted By ron_van_sommeren

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

Ah, #$*$%!!!, wasted my time on another spammer.
Forum: Beginners
07-23-2019, 04:37 PM
Replies: 6
Views: 3,489
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: 2,044
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, 01:01 PM
Replies: 1
Views: 661
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, 12:46 PM
Replies: 4
Views: 2,398
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,...
07-04-2019, 11:27 PM
Replies: 7
Views: 4,174
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)
Forum: Beginners
07-04-2019, 05:50 AM
Replies: 6
Views: 3,489
Posted By ron_van_sommeren

Trainer and training suggestions: Advice for...

Trainer and training suggestions:
Advice for getting into flying RC airplanes, and how not to - The Ampeer (http://www.theampeer.org/Begin-RC/Begin-RC.htm)

Some well-structured reading for...
07-01-2019, 09:34 PM
Replies: 3
Views: 2,823
Posted By ron_van_sommeren

Percentages are useless, they only make sense for...

Percentages are useless, they only make sense for exactly the same total throws.
You need mm deflection, or an angle.
07-01-2019, 01:21 AM
Forum: Power Systems
06-27-2019, 02:16 AM
Replies: 5
Views: 4,003
Posted By ron_van_sommeren

Dedicated power for receiver and servos, so a...

Dedicated power for receiver and servos, so a problem in the high-power part does not take out control:
How do you separate a speed controller from a receiver? - RCG...
Forum: Power Systems
06-27-2019, 02:11 AM
Replies: 5
Views: 4,003
Posted By ron_van_sommeren

Shouldn't have been a problem for your...

Shouldn't have been a problem for your controller.

Nevertheless, it is a good practice to have some headroom built in. About derating motors, controllers, batteries, electronics in general:

...
Forum: Power Systems
06-25-2019, 09:11 PM
Replies: 5
Views: 4,003
Posted By ron_van_sommeren

How long were the wires between battery and ESC? ...

How long were the wires between battery and ESC?
too long wires batteryside may kill ESC over time: precautions, solutions & workarounds - RCG...
Forum: Power Systems
06-25-2019, 09:06 PM
Replies: 5
Views: 4,003
Posted By ron_van_sommeren

Proppitch and -diameter are missing from your...

Proppitch and -diameter are missing from your setup. Diameter has a huuuuge effect on current drawn.
How high was the current you measured?

General rules for current and power, they give a...
Forum: 3D Flying
06-18-2019, 05:41 PM
Replies: 10
Views: 1,780
Posted By ron_van_sommeren

.

.
Forum: Power Systems
06-12-2019, 08:42 PM
Replies: 0
Views: 5,229
Posted By ron_van_sommeren

Cheap resource of large quality motors.

Cheap resource of large quality motors.
www.rcgroups.com/forums/showthread.php?3331575-Just-ended-up-with-a-pile-of-these-large-brushless-scooter-motors...
06-12-2019, 08:32 PM
Replies: 4
Views: 6,109
Posted By ron_van_sommeren

Marketing 'optimism', nonsense and outright C-rating lies, with tests

About the marketing 'optimism', the nonsense and the outright C-rating lies, with standardized tests.
Active thread:
Battery Load Test Comparisons - RCG...
05-30-2019, 04:47 PM
Replies: 8
Views: 8,771
Posted By ron_van_sommeren

'Multiple choice' cell, battery and balancer...

'Multiple choice' cell, battery and balancer wiring diagrams, plus explanations:
home.kpn.nl/ronvans/scriptasylum (http://home.kpn.nl/ronvans/scriptasylum)
→...
05-02-2019, 06:36 PM
Replies: 6
Views: 334
Posted By ron_van_sommeren

Wires, controllers and motors only 'feel' voltage...

Wires, controllers and motors only 'feel' voltage and current. C-rating is only useful for comparing batteries of same capacity.
More about C-rating, and manufacturer ... eeeh ... optimism in this...
04-25-2019, 02:33 PM
Replies: 3
Views: 222
Posted By ron_van_sommeren

brodak.com/b25-pacific-princess-kit.html...

brodak.com/b25-pacific-princess-kit.html (http://brodak.com/b25-pacific-princess-kit.html) ? (control line, not RC)
Replies: 3
Views: 566
Posted By ron_van_sommeren

Negative advice ...

Negative advice
translate...www.modelbouwforum.nl/threads/jumper-t16-zender.264987/#post-3951491...
Forum: Beginners
04-12-2019, 09:45 AM
Replies: 20
Views: 593
Posted By ron_van_sommeren

That's not how you come accross, good info is...

That's not how you come accross, good info is never about being smart.
Forum: Beginners
04-10-2019, 09:49 PM
Replies: 20
Views: 593
Posted By ron_van_sommeren

You are right Nigel, what I wrote, goes for NiMH,...

You are right Nigel, what I wrote, goes for NiMH, LiPo's have a bigger voltage swing.
Showing results 1 to 30 of 500
 


 
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