Hi, Tim Thank's a lot i understood all (i'm french and some time's it's hard to understand technique explanations) But this one is percfect for me.So i' will...
2232
James Hannon
jmhannnon
Apr 1, 2009 12:20 pm
There is a toroid based axialflux design. It requires a laminated iron core for the torroid otherwise the flux from the magents would not cross the windings...
2233
Chuck
chuckhoelzen
Apr 1, 2009 8:53 pm
James, The server you gave isn't up. Try: http://repository.tudelft.nl/file/80792/161816 If not the same it is similar paper. chuck On Wed, 01 Apr 2009...
2234
Steve Spence
sspence65
Apr 1, 2009 8:58 pm
The link worked for me - http://www.nwtc.cn/Article/UploadSoft/200605/20060530194937978.pdf Steve Spence Renewable energy and self sufficiency ...
2235
Kenneth Long
kelong_2000
Apr 1, 2009 9:18 pm
this is an impressive document! 270 page thesis. :-) Kenneth Long ... From: Chuck <comlink@...> Subject: Re: [axialflux] Toroid stator coil to increase...
2236
Ryan
ryaneclark
Apr 4, 2009 12:47 pm
hello is thar any specal way tha you place the coils in the stator and do you always wire then in searies or do you do parllel to is thar any books that show...
2237
Steve Spence
sspence65
Apr 4, 2009 12:51 pm
Every third coil is in series, there are three sets of 3 series coils in parallel. Get Dan and/or Hugh's book. Steve Spence Renewable energy and self...
2238
Terry J Reich
terry_j_reich
Apr 4, 2009 12:59 pm
http://www.forcefieldmagnets.com/catalog/product_info.php?cPath=21_29&products_id=196 Terry Reich...
2239
eagle1rje
Apr 4, 2009 8:16 pm
Hi Dan, I have Hugh's book and yours should be here any day. I have been looking at Hughs book and dont quite understand how he is calculating "flux density B...
2240
Dan Fink
danbob88
Apr 6, 2009 4:31 pm
Hi Robert -- Hugh's math in there still relies on estimation....".......when the air gap is approximately equal to to the combined 'length' of the magnet, then...
2241
drjulianxyz
Apr 7, 2009 8:58 am
...From new file (airfoil info) I really don't understand why NASA is limiting lift at tip to 1? ...And REALLY don't understand angle of attack tables! ...A...
2242
mmk_tsm
Apr 7, 2009 5:19 pm
Hello all, Has anybody or any company taken this axial flux design and "productionised" a generator. I would like to get my hands on a 2-5kW axial flux...
2243
drjulianxyz
Apr 7, 2009 10:47 pm
... ...I think your attitude is GREAT! as well as perfectly true. ...Would like to communicate with you directly so as not to bother people on this site,many...
2244
ferrand
ferrandst
Apr 10, 2009 2:42 pm
Posted by: "mmk_tsm" mmk_tsm@... mmk_tsm Date: Tue Apr 7, 2009 10:19 am ((PDT)) Hello all, Has anybody or any company taken this axial flux design and...
2245
Jim
jiminwis
Apr 14, 2009 5:44 pm
... There is the Proven line of downwind machines, 2.5 to 15 kw. Jim...
2246
mmk_tsm
Apr 14, 2009 10:28 pm
Jim, Do Proven use axial flux generators? And would they sell their generators seperately? Mike....
2247
Arthur C. Sanford
impressiveho...
Apr 17, 2009 2:32 am
Hey Everyone, I have been following along for a while now. Hope some of you can help me a bit. I am trying to build an axial generator to start between 90 and...
2248
Tom
chronictumbl...
Apr 21, 2009 3:15 pm
Okay, I have my tower. Now I want to start on the head. We have low average yearly wind speeds here, but it's a bit misleading as we generally have no winds or...
2249
naturaledge1957
Apr 22, 2009 6:27 pm
Hello I'm a newbie , is anyone useing the 1//4 thick wedge magnets ?I think they are 2"tapered to 1" Thank you. Brian...
2250
roundtheglobe
Apr 30, 2009 1:57 pm
Hello from a new member and thanks for the great resource . I would like to know if anyone investigated into alternative measures to casting resin pooring to...
2251
kuhnbutch
May 2, 2009 1:25 pm
... Gabriele, If you are able to drill precision holes in accurate locations, it is possible to mount and hold magnets with bronze flat head nails such as...
2252
roundtheglobe
May 4, 2009 3:30 pm
Hi Butch, while I take my time translating some terms from your post( not english native tongue) I tell you why I was looking for a no-resin system. My idea...
2253
John
dbsleder
May 5, 2009 3:27 pm
First post- I think I have overlooked a fact in winding coils. I'm using 12 magnets/rotor, 9 coils, 3 phase series. Would the voltage from each of the 3 coils...
2254
naturaledge1957
May 5, 2009 3:29 pm
... Hello I'm a newbie , is anyone useing the 1//4 thick wedge magnets ?I think they are 2"tapered to 1" and what about the round magnets ?Thank you. Brian...
2255
charlieknox
May 6, 2009 2:13 pm
In the Homebrew Wind Power book, pg 210, Fig 16.14, a 2.5" hole is cut into the rear wooden hub and the blades. Does the cast wheel hub and bearing cover...
2256
Rick
ricksidebottom
May 6, 2009 2:49 pm
I have been playing with different designs in preparation to building my first alternator. This is 20 3/8 x1/2" long n42 magnets in 10 groups with 48 coils....
2257
John
dbsleder
May 6, 2009 6:20 pm
I sure would appreciate some feedback on my question so I can proceed. John...
2258
Steve Spence
sspence65
May 6, 2009 6:26 pm
yes, each of the 3 coils in phase have additive voltage. why would you unwind to 2/3rds? how many windings did you make and what size wire did you use? Steve...
2259
JP
dbsleder
May 7, 2009 9:49 am
It's been some time ago I wound them, and my memory isn't very good, but I used # 18 or 19 wire and wound a test coil with something like 115 turns, and test...
2260
Steve Spence
sspence65
May 7, 2009 9:55 am
for a 48 volt system, you need 144 turns or so. why did you pick 275 turns? that's way too many. Steve Spence Renewable energy and self sufficiency ...
