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Search: Posts Made By: ron_van_sommeren
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Replies: 2
Views: 254
Posted By ron_van_sommeren

A motor with velocity konstant Kv...

A motor with velocity konstant Kv (http://bavaria-direct.co.za/constants/#Kv) (property) of1100rpm/volt (unit) can be the motor in your toothbrush, but it can also be the motor of a French 1:1...
05-06-2021, 08:04 AM
Replies: 0
Views: 516
Posted By ron_van_sommeren

Alis Nocturnis - On the wings of the night. An air raid in 1940.

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
58th...
04-25-2021, 07:08 AM
Replies: 3
Views: 329
Posted By ron_van_sommeren

What was wrong with it? Vriendelijke groeten...

What was wrong with it?

Vriendelijke groeten ;) en wees voorzichtig, Ron
• Without a watt-meter (http://www.wattflyer.com/forums/attachment.php?attachmentid=117297) you're in the dark ... until...
04-23-2021, 08:36 AM
Replies: 8
Views: 816
Posted By ron_van_sommeren

APD controllers anyone? powerdrives.net...

APD controllers anyone?
powerdrives.net (https://powerdrives.net/)

Prettig weekend ;) en wees voorzichtig, Ron
Without a watt-meter...
Replies: 2
Views: 378
Posted By ron_van_sommeren

What have you won? Make, type, pictures? What...

What have you won? Make, type, pictures?
What other equipment do you have? Radio, motor, battery, charger, ...?


Some well-structured reading for rainy/windy days, including e-flight_101 & 102,...
Replies: 2
Views: 378
Posted By ron_van_sommeren

It is a brushless controller. The three black...

It is a brushless controller. The three black wires are the motorwires. One of the soldering pads was designed on other side of the PCB, that's all.

Brushless because of the big black electronic...
04-13-2021, 01:41 PM
Replies: 1
Views: 567
Posted By ron_van_sommeren

Excellent advice by Lucien Miller, he does all...

Excellent advice by Lucien Miller, he does all the measurements and propcharts himself, he knows what he is talking about:
www.innov8tivedesigns.com

Vriendelijke groeten ;) en wees voorzichtig,...
Replies: 2
Views: 345
Posted By ron_van_sommeren

Compared to motor current draw, servo current...

Compared to motor current draw, servo current draw is nothing.
Controllers are specced for continuous motorcurrent. You can ignore burst ratings that do not indicate max. burst time.


It is a...
04-06-2021, 04:30 AM
Replies: 5
Views: 537
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').
04-06-2021, 04:26 AM
Replies: 5
Views: 537
Posted By ron_van_sommeren

The 'full' story. Even a seemingly small...

The 'full' story.
Even a seemingly small change/error in setup can result in quite an unexpected increase.
Therefore always measure current and power...
04-06-2021, 04:21 AM
Replies: 5
Views: 537
Posted By ron_van_sommeren

Famous last words :D Here we go ... Get an...

Famous last words :D
Here we go ...

Get an experienced pilot to trim the plane. An untrimmed plane is unflyable, and newbies can't trim it because they can't fly.


Training/trainer...
04-03-2021, 02:48 AM
Replies: 3
Views: 544
Posted By ron_van_sommeren

Make sure the clamp meter can handle DC, not just...

Make sure the clamp meter can handle DC, not just AC.

About watt-/current-meters and how to use them:
www.wattflyer.com/forums/attachment.php?attachmentid=117297...
03-29-2021, 05:33 PM
Replies: 2
Views: 445
Posted By ron_van_sommeren

Plane type and mass are leading. Simple rules of...

Plane type and mass are leading. Simple rules of thumb for electric power:
Magic numbers for e-flight - WFF (http://www.wattflyer.com/forums/showthread.php?t=27019)

Gibbs Guides...
03-29-2021, 05:32 PM
Replies: 2
Views: 445
Posted By ron_van_sommeren

Outrunner, from a practicality and choice point...

Outrunner, from a practicality and choice point of view.
Otherwise no difference between in- and outrunner with same ratings.

Plane type and mass are leading. Simple rules of thumb for electric...
03-15-2021, 02:41 PM
Replies: 7
Views: 1,042
Posted By ron_van_sommeren

No, that is not possible. Not only have LiPo and...

No, that is not possible. Not only have LiPo and LiFe different cell voltages but also different charge algorithms and battery full detection.

If you have a LiPo charger it probably also has LiFe,...
02-18-2021, 07:43 PM
Replies: 2
Views: 463
Posted By ron_van_sommeren

('UBEC' is a propriatery brand name, no...

('UBEC' is a propriatery brand name, no information in the name. I prefer LBEC, linear, and switching SBEC, switching, gives more info.)


How many servos will you be using, what battery voltage?...
02-18-2021, 07:35 PM
Replies: 2
Views: 463
Posted By ron_van_sommeren

If you are using Futaba transmitter, it should...

If you are using Futaba transmitter, it should have it's throttle reversed.

Do servos work ok?

BTW Mike why not go brushless? Higher efficiency, lower mass, less wear and tear, more choices,...
Replies: 3
Views: 1,270
Posted By ron_van_sommeren

Thank you :) And the clippings...

Thank you :) And the clippings (https://addons.mozilla.org/en-US/firefox/addon/clippings/) add-on for Firefox as well :D
It can be over people's head, the first time, that's why I added the...
Replies: 5
Views: 393
Posted By ron_van_sommeren

Just ignore most off the above posted be me, for...

Just ignore most off the above posted be me, for now, if you are completely new to e-flight.

Training/trainer suggestions:
Advice for getting into flying RC airplanes, and how not to - The Ampeer...
Replies: 5
Views: 393
Posted By ron_van_sommeren

An e-flight calculator will get you in the...

An e-flight calculator will get you in the ball-park, provided the input is correct.
E.g. www.ecalc.ch (several languages)
Sticky: e-flight calculators (compilation) - RCG...
Replies: 5
Views: 393
Posted By ron_van_sommeren

E.g. www.stefanv.com/electric-rc-airplanes ...

E.g.
www.stefanv.com/electric-rc-airplanes (http://www.stefanv.com/electric-rc-airplanes)
→ Power System Selection

Below an excellent quote about motor selection.
From
brushless motors Kv?...
Replies: 5
Views: 393
Posted By ron_van_sommeren

Motors don't really care for voltage, they can...

Motors don't really care for voltage, they can handle any voltage in RC land.
As long as rpm, current drawn and power drawn don't get too high, those are the ratings that matter bigly....
02-12-2021, 07:25 PM
Replies: 7
Views: 1,042
Posted By ron_van_sommeren

Without a watt-meter...

Without a watt-meter (http://www.wattflyer.com/forums/attachment.php?attachmentid=117297) you are in the dark.
Until something starts to glow :( ;)

To trust is good :)
To calculate...
02-12-2021, 07:22 PM
Replies: 7
Views: 1,042
Posted By ron_van_sommeren

The plane uses a certain amount of energy for a...

The plane uses a certain amount of energy for a complete flight. Energy '=' batterymass, voltage has no effect on total batterymass.
A 2s 2000mAh packs weighs the same as a 4s 1000mAh pack, both...
Replies: 3
Views: 1,270
Posted By ron_van_sommeren

Pitch speed will be higher, thrust???, I can't...

Pitch speed will be higher, thrust???, I can't tell you how that prop and rpm will fly your plane.

Prop recommendations: always highest voltage with smallest load, lowest voltage with biggest...
Showing results 1 to 25 of 500
 


 
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