The most efficient is cog belt such as HTD or Polychain. H.W....
456
Dragon
teeth_o_the_...
May 1, 2007 1:02 pm
Thanks for that, I agree, but a lot depends on what alternator I end up with. I belive most of the alternators currently in use are of this "Multi-V" type,...
457
Dan
qazxcvb21
May 1, 2007 6:05 pm
... system. I'm ... flux ... any ... battery ... Mike, One of the interesting things about generating electricity is the fact that a PM alternator will...
458
David G. LeVine
sirdave144
May 2, 2007 5:20 pm
... The issue with cogged belts is that they require different pulleys than come on modern alternators. David G. LeVine Nashua, NH 03060...
459
Dan Fink
danbob88
May 8, 2007 7:17 pm
My understanding from the information I received from SMA is that using a home-built 3-phase wind turbine with their WindyBoy grid tie inverter should be no...
460
dan daya
dandaya2
May 11, 2007 5:25 pm
Guys Two weeks ago I was given a set of turbine blades 3ft dia (similar to the ones on ed lenz website windstuffnow )and am wishing to build a little turbine...
461
Neil Dennis
wombat_eagle
May 11, 2007 5:46 pm
Dan, how many magnets do you have, if enough it would be good to have two discs, one on each side of the coils. You will need an even number of magnets spaced...
462
dan daya
dandaya2
May 12, 2007 4:25 pm
Wombatt hello yes I have 10 magnets, wishing to have 9 coils....what shape is your coils?, swg ?, how many turns? what is FWIW? I love the vawt especially the...
463
Neil Dennis
wombat_eagle
May 13, 2007 2:13 am
Afternoon, Dan: thought I'd put stuff here as someone else may be interested. I used 200 turns #22 wire, as my magnets are 1" x 2" the coil form is that size...
464
catfishtwo@...
n6ajr
May 13, 2007 2:14 am
_http://www.velacreations.com/chispito.html_ (http://www.velacreations.com/chispito.html) check this out tom N6AJR ************************************** See...
465
dan daya
dandaya2
May 14, 2007 12:05 am
Thanks Neil Now i'm making headway, looks like I have small parameters to work with...1x 3/8 neos. I have already mounted the 8 magnets but not stuck them down...
466
jon23456789o
May 22, 2007 5:31 pm
Hi all, this is my first Post to the group, it all looks very interesting, I would like to ask a couple of questions... In the Files section sspence65...
467
Dan
qazxcvb21
May 22, 2007 5:57 pm
... Turbine, looks like a scaled up version of the Photo on the Home Page, It probably is. The axial flux alternator is scalable. does ... made ... They are...
468
robert hobson
rnh1950a
May 22, 2007 7:16 pm
Hi I do not understand how you make the connection between low rpm and not requiring much torque or power. Low speed needs high torque for same power...
469
jon23456789o
May 23, 2007 9:57 am
Hi Robert, thanks for replying, the application that I'm thinking of, requires Gearing, from a Low RPM and High Torque, to a Higher RPM of about 330, I...
470
David G. LeVine
sirdave144
May 23, 2007 5:04 pm
... Each KW out usually needs 2 HP of input. It doesn't matter if it is at 10 RPM or 1,000 RPS! The torque required goes down as speed increases. TANSTAAFL!...
471
Kirk McLoren
kirkmcloren
May 23, 2007 5:07 pm
your torque will represent the output and losses. Never can be less. Kirk jon23456789o <jon234567890@...> wrote: Hi Robert, thanks for replying, the...
472
mtheoneandonly
May 27, 2007 12:26 am
Some, perhaps noobies, questions... if you put twice the magnets on the rotors, what will the effects be? 'dubble' power, but 'dubble' torque to get it round? ...
473
mtheoneandonly
May 27, 2007 12:51 am
imagine each magnet pushed toward the axes if the rotor does not move, pushed there with a spring or something, sliding somehow (have no clue how.. but please...
474
Dan Fink
danbob88
May 27, 2007 4:55 pm
I'll take a shot at a few of these....more below. DANF ... Twice the number of magnets, or twice the total mass of magnetic material? ... That doubles the...
475
Dan Fink
danbob88
May 27, 2007 5:26 pm
I'll give a shot at these questions, too -- your brain is in overdrive there, "mtheoneandonly" -- that's a good thing! Time to get out there and build some of...
476
Dragon
teeth_o_the_...
May 27, 2007 8:11 pm
I'd like to share this ink with the group, which many of you may be aware of. It's very similar to the machine I have in mind. ...
477
David G. LeVine
sirdave144
May 27, 2007 8:53 pm
... Or have a complex electronic switching array on the tower. Just what you need when heavy EMP occurs nearby (as in a lightning strike.) David G. LeVine ...
478
Lee Bell
fleebell
May 28, 2007 6:35 pm
I was wondering if any of you folks have built 36 volt alts and if you did could you answer a couple of questions. I want to build a charger/supply trailor for...
479
bob golding
photoman290
May 28, 2007 10:55 pm
hi lee, have you thought about buying one of the 48 volt stators from the dans? might be too expensive but worth a look. 200 dollars i think. they are on the ...
480
bob golding
photoman290
May 28, 2007 10:55 pm
hi lee, have you thought about buying one of the 48 volt stators from the dans? might be too expensive but worth a look. 200 dollars i think. they are on the ...
481
John
dbsleder
May 28, 2007 11:57 pm
... Don't forget, it takes 46- 48 volts to top off a 36volt lead acid battery. John ______________________________________________________________________ ...
482
Lee Bell
fleebell
May 29, 2007 3:14 am
Thanks guys, I'll try the 45 with 14 gage as a start. I already have plenty of the 14 gage wire so it shouldn't be too bad on the pocketbook. I can't go...
483
mtheoneandonly
Jun 4, 2007 3:57 am
at http://www.wikidot.com/ you can create an account in no time. then, at http://savonius.wikidot.com/ you can see my new wiki on building savonius windmills....
484
Jim Carlson
jimcarlson622
Jun 5, 2007 7:05 pm
I just got my magnets in today. Wow are they strong!!! I walked into the houseboat with them and the tv went haywire...I was over four feet way... I feel sorry...
