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lrk-torquemax · building high-torque brushless e-motors

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  • Members: 3708
  • Category: Radio-Controlled
  • Founded: Apr 24, 2001
  • Language: English
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877 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 1, 2002
12:32 pm
Hi Torbjörn, From what I've read, and you probably too, it can be tricky with 'normal' brushless motors. If you are going to experiment with two lrk's on one ...
878 Jim Clover
fourleaf0794 Offline Send Email
Oct 1, 2002
1:01 pm
... (Jim ... I am still in the process of testing a few different stator designs. My target is market is the small parkflyer motors, hopefully replacing...
879 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 1, 2002
1:45 pm
Hi all, You can find a winding diagram (star-Y configuration) for a 9-pole cd-rom motor here: ...
880 lrk-torquemax@yahoogr... Send Email Oct 2, 2002
2:04 am
This lrk-torquemax mailing-list help message is sent-out every month and upon subscription. CONTENTS ... * LIST ARCHIVE / SEARCH * MESSAGE DELIVERY OPTIONS *...
881 broderincertus Offline Send Email Oct 2, 2002
6:08 am
Hi! ... 'normal' ... Haven't gor one of those, and I don't think I could afford experimenting with brushless controllers ... So IF I'm doing a twin LRK it will...
882 kadeshan Offline Send Email Oct 2, 2002
3:26 pm
I just purchased this motor from weston in the uk to use with there cougar. THey reccommend a 12 x 6.5 prop for hovering 3d aerobatics. Is this the optimum...
883 Kade Ricketts
kadeshan Offline Send Email
Oct 2, 2002
3:47 pm
Hello, I am new to the group and new to the lrk motors. I just purchased a 350 15 motor from weston uk to go in their cougar(fun fly about 1.8kg or a little...
884 Roger Blair
roger_retro Offline Send Email
Oct 2, 2002
11:00 pm
Jochen Causemann or Craig Allen, if you are out there... (and if not, anyone with experience in matching these systems to airplanes, I'm considering building a...
885 Jani Penttila
jpenttil2000 Offline Send Email
Oct 3, 2002
2:46 pm
Hi, there is not too much information about do-it-yourself ESC's in english in the internet, so I wrote down my experiences of building a brushless speed ...
886 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 5, 2002
7:16 pm
Hi all, A Dutch (== almost English ;-) , try it) page on rewound motors, nice pictures, o.a. a rewound 3-pole motor: ...
887 Mark Roberts
markeroberts2 Offline Send Email
Oct 9, 2002
11:07 am
Hi All! This may have been discussed before and I missed it, but I am looking into rewinding some computer fan motors I found at a surplus store. Has anyone...
888 pjk
pkslrk Offline Send Email
Oct 9, 2002
11:36 pm
Hi Mark, These motors won't make a real lrk. They need stators in multiples of three. The motor's you are describing are two phase brushless motors. The...
889 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 10, 2002
2:54 pm
... aerobatics. ... It seems the motor-model used in Motocalc is not (yet?) suited for lrk type motors, see this discussion between to motor experts (kontronik...
890 Petri Nygren
petri_nygren Offline Send Email
Oct 10, 2002
6:24 pm
Ron, Where´s the best explanation for defining optimum timing advance for particular load? Any text dealing with LRK timing issues would do actually. Which...
891 ron.van.sommeren@...
ron_van_somm... Offline Send Email
Oct 10, 2002
6:52 pm
Hi everyone, A spreadsheet for calculating the number of winds in a lrk: www.yahoogroups.com/group/lrk-torquemax --> "files" --> "How many turns.xls It's a...
892 Jussi Sirkiä
jsirkia Offline Send Email
Oct 11, 2002
8:41 am
Hi everyone, my translated version is a bit outdated as the original by Peter now has several sheets for different diameters etc. I haven't had the time to...
893 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 11, 2002
4:50 pm
... actually. ... condition? Petri, This is all I could come up with: www.rc-network.de/cgi-bin/ubb/ultimatebb.cgi? ubb=get_topic;f=12;t=000161 Met...
894 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 11, 2002
9:02 pm
Hi all, An lrk drawing: www.aerodesign.de/peter/2001/LRK350/EM-2- 2001/LRK_EM_2_2001.htm#Anker219420 Or direct: ...
895 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 11, 2002
10:03 pm
Hi all, I just uploaded the English version of a delta configuration drawing for a 12pole lrk: www.yahoogroups.com -> photos -> lrk_12p_triangle_delta The...
896 cissmjg_us Offline Send Email Oct 11, 2002
10:04 pm
... I would like to build a 600 Watt Torcman 350-28 motor. So I downloaded the above spreadsheet and filled in the stator length, power and RPM fields. I will...
897 Christian Johansson
modellflygare Offline Send Email
Oct 12, 2002
4:55 am
Hi Ron, Thank's for the winding diagrams. Questions: Anybody that tried to build an "ironless" motor? Is this correct for an two-pole motor: 6 coils, 2 for...
898 kd
kadeshan Offline Send Email
Oct 12, 2002
2:49 pm
Can someone reccommend a setup for a funtana airlane. Its a 2 meter wingspan and should come in at around 10 lbs. I want vertical performance and the ability...
899 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 12, 2002
6:43 pm
Hi all, Two threads featuring lrk's /cd-rom motors in the www.ezonemag.com forum: www.rcgroups.com/forums/showthread.php?s=&threadid=62900 ...
900 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 12, 2002
6:48 pm
Hi Kade, You're referring to this Funtana, I guess: http://www.torcman.de/Bilder/Winterthur2002/Winterthur_eng.html A quote from that page: "The model flies...
901 torquepoint2002 Offline Send Email Oct 13, 2002
8:18 am
Hello Ron, Look this: 4 pole and 2 pole. http://www.servomag.com/flash/4-pole/smi-motor007.htm Best regards, Kristjan...
902 kd
kadeshan Offline Send Email
Oct 14, 2002
1:45 am
That would be the one. I would think that will hang on the prop? Have you seen it fly? What are the exact motor specs? ... From: Ron van Sommeren To:...
903 peter_rother@... Send Email Oct 14, 2002
11:42 am
Hi Ron ... I have put some tech. data on this page. please visit and press refresh. http://www.torcman.de/Bilder/Winterthur2002/Funtana_motor_tech_data.gif ...
904 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 14, 2002
7:12 pm
Hi Christian, ... Yes, but 3 coils will do too, as you have probably already seen from the animations in my previous post. A 3 coil motor is not balanced. ...
905 Ron van Sommeren
ron_van_somm... Offline Send Email
Oct 14, 2002
7:35 pm
Hi Mike, Some information on lrk constants: www.aerodesign.de/peter/2001/LRK350/WL-Kennzahl_eng.html Peter Rother's spreadsheet already takes into account the...
906 torquepoint2002 Offline Send Email Oct 14, 2002
7:39 pm
It just a good animation, not more. If we speak about coils & magnets - then: if we have magnets more than coils - we start enjoy planetary effect. 6 coils...
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