Search: Posts Made By: ron_van_sommeren
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Forum: Power Systems
06-15-2021, 03:04 PM
Replies: 1
Views: 77
Posted By ron_van_sommeren

What will be the wire length between battery and...

What will be the wire length between battery and controller, and between controller and motor?


If you cannot but extend, extend the motorwires instead of batterywires and keep controller(s)...
Forum: Humor
06-11-2021, 04:03 PM
Replies: 5
Views: 2,488
Posted By ron_van_sommeren

Plus the chamber plants, plus the net curtains.

Plus the chamber plants, plus the net curtains.
06-10-2021, 12:38 PM
Replies: 3
Views: 113
Posted By ron_van_sommeren

Below an excellent quote about motor selection. ...

Below an excellent quote about motor selection.
From
brushless motors Kv? ('https://www.rcgroups.com/forums/showthread.php?2083459-brushless-motors-kv').
06-10-2021, 12:36 PM
Replies: 7
Views: 3,567
Posted By ron_van_sommeren

Agreed, a switch would only be an extra point of...

Agreed, a switch would only be an extra point of failure.
06-05-2021, 12:46 PM
Replies: 2
Views: 129
Posted By ron_van_sommeren

Better remove your e-mail address Barry, before...

Better remove your e-mail address Barry, before the spammers find you. Or try some creative mutilation.
Safer to use Private Messages, overview and notification settings:...
Forum: Humor
05-20-2021, 10:41 PM
Replies: 49
Views: 1,783
Posted By ron_van_sommeren

Especially for you :D The 'full' story. ...

Especially for you :D

The 'full' story.
Even a seemingly small change/error in setup can result in quite an unexpected increase.
Therefore always measure current and power...
05-20-2021, 10:37 PM
Replies: 5
Views: 343
Posted By ron_van_sommeren

Don't know, but if you add shears, their grain...

Don't know, but if you add shears, their grain should run vertically for strength.
05-17-2021, 09:34 PM
Replies: 5
Views: 389
Posted By ron_van_sommeren

Have you tried another battery? Lower cell...

Have you tried another battery?
Lower cell count is no problem, I just want to make sure the wiring/electronics/setup is still ok.


What meter, make/type/link?
What controller, make/type/link?...
05-13-2021, 02:57 AM
Replies: 5
Views: 343
Posted By ron_van_sommeren

Correct. Install the two servos halfway of the...

Correct.
Install the two servos halfway of the ailerons.
Rotate one of the two servos along its longitudonal axis and you don't have to reverse its direction. Put another way: install the servos...
05-12-2021, 07:26 PM
Replies: 3
Views: 348
Posted By ron_van_sommeren

Troll/scammer.

Troll/scammer.
05-10-2021, 05:58 PM
Replies: 7
Views: 293
Posted By ron_van_sommeren

A subforum dedicated to laser cutting ...

A subforum dedicated to laser cutting
www.rcgroups.com/laser-cutters-1047 (https://www.rcgroups.com/laser-cutters-1047/)


www.wattflyer.com/forums/profile.php?do=editprofile...
05-06-2021, 04:55 PM
Replies: 0
Views: 400
Posted By ron_van_sommeren

Alis Nocturnis. An air raid in 1940. Free online book.

Download (https://jpcvanheijst.com/alis-nocturnis-on-the-wings-of-the-night/download-free-digital-production) the free digital version of the book.


Alis Nocturnis - On the wings of the night...
Forum: Humor
05-04-2021, 06:58 PM
Replies: 1
Views: 191
Posted By ron_van_sommeren

It's not dead, it's pining for the fjords.

It's not dead, it's pining for the fjords.
05-04-2021, 06:50 PM
Replies: 7
Views: 293
Posted By ron_van_sommeren

manzanolaser.com (https://manzanolaser.com)

manzanolaser.com (https://manzanolaser.com)
05-04-2021, 02:11 AM
Replies: 7
Views: 293
Posted By ron_van_sommeren

www.rbckits.com www.rc-europe.eu...

www.rbckits.com
www.rc-europe.eu (https://www.rc-europe.eu/?language=en)
04-26-2021, 12:24 AM
Replies: 6
Views: 503
Posted By ron_van_sommeren

Love it Paul. Next a water-dispenser bottle...

Love it Paul.

Next a water-dispenser bottle plane :)
Forum: Humor
04-08-2021, 03:27 PM
Replies: 8
Views: 702
Posted By ron_van_sommeren

It's not the size of the dick that matters, what...

It's not the size of the dick that matters, what matters is the dick attached to it.

It least, that's what I always told my girlfriends :D
03-14-2021, 07:27 PM
Replies: 9
Views: 1,213
Posted By ron_van_sommeren

Current and power drawn are proportional to Kv...

Current and power drawn are proportional to Kv cubed. Even a seemingly small change in Kv can give quite an unexpected increase, see examples below.
Whether the motor can handle that increase is a...
03-13-2021, 10:17 PM
Replies: 9
Views: 1,213
Posted By ron_van_sommeren

The velocity konstant Kv...

The velocity konstant Kv (http://bavaria-direct.co.za/constants/) (in rpm/volt), gives no indication for motorsize, nor for max. motor power (in watt), nor for max.current (in ampère).
Both the...
03-12-2021, 03:51 PM
Replies: 5
Views: 4,379
Posted By ron_van_sommeren

https://www.youtube.com/watch?v=th-GuQ7OMSc ...

https://www.youtube.com/watch?v=th-GuQ7OMSc


https://www.youtube.com/watch?v=bpQ1r5KctVE
03-03-2021, 12:00 PM
Replies: 11
Views: 832
Posted By ron_van_sommeren

Heat and ammonia 'soften' the lignine in the...

Heat and ammonia 'soften' the lignine in the wood, water 'softens' the cellulose.
02-24-2021, 05:28 PM
Replies: 6
Views: 1,145
Posted By ron_van_sommeren

Don't know the plane, but always balance your...

Don't know the plane, but always balance your prop.
An unbalanced prop causes vibrations and wear, robs you of power and creates extra noise.
02-12-2021, 11:29 PM
Replies: 9
Views: 1,232
Posted By ron_van_sommeren

You could check with another meter. Are using...

You could check with another meter.
Are using LiIon or LiPo batteries? 0.1volt difference between the two, per cell.
Note also that voltage is a very poor indicator for capacity(percentage)...
Forum: Power Systems
02-08-2021, 11:58 PM
Replies: 7
Views: 1,412
Posted By ron_van_sommeren

You could just disconnect the power pack to...

You could just disconnect the power pack to disable receiver, and controller. A switch is an extra point of failure :(
Also don't assume your controller won't do anything with receiver...
02-05-2021, 05:57 PM
Replies: 11
Views: 1,240
Posted By ron_van_sommeren

I know you know Bill, but it might give newbies...

I know you know Bill, but it might give newbies the wrong idea.
02-05-2021, 01:30 PM
Replies: 11
Views: 1,240
Posted By ron_van_sommeren

Connectors don't care much about voltage Bill,...

Connectors don't care much about voltage Bill, apart from sparking of course. (Simple/cheap antispark method (https://www.wattflyer.com/forums/showpost.php?p=1021336&postcount=10).)
But connectors...
Replies: 6
Views: 1,120
Posted By ron_van_sommeren

In a true optocoupled...

In a true optocoupled (https://en.wikipedia.org/wiki/Opto-isolator#Electric_isolation) ESC a BEC would make no sense, it would defeat the purpose using an optocoupler: reducing electrical...
02-04-2021, 06:11 PM
Replies: 11
Views: 1,879
Posted By ron_van_sommeren

Coreless/ironless/slotless/statorless motors are...

Coreless/ironless/slotless/statorless motors are not the goto for those planes. In fact, you don't see many of that type of motors in RC, it's a specialty niche motor type, very high Kv and rpm, low...
Forum: Power Systems
02-03-2021, 06:19 PM
Replies: 7
Views: 1,412
Posted By ron_van_sommeren

I assume the beep...

I assume the beep code/communication/information/feedback is explained in the manual/instructions, i.e. if you still have it.
Otherwise search on manufacturer/supplier sites, or google.
01-31-2021, 12:17 AM
Replies: 6
Views: 873
Posted By ron_van_sommeren

CG calculator www.ecalc.ch...

CG calculator
www.ecalc.ch (http://www.ecalc.ch) (18languages)
→ Toolbox
→ cgCalc

Markus Müller, the eCalc_toolset (https://www.ecalc.ch) developer, drives a Boeing/Airbus to earn his hobby...
Showing results 1 to 30 of 500
 


 
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