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Re: Electric Motors DIY for less   Message List  
Reply | Forward Message #127 of 6622 |
RE: [harryproa] Re: Electric Motors DIY for less

If it is scanned, please post it where we can (all) get to it.

BTW I've subscribed to the magazine as it looks very useful.

Enjoy

Jim Baltaxe
ITS Desktop Support
Victoria University of Wellington
NEW ZEALAND
(04) 463 5018 or 029 200 6982


Klein bottle for rent. Inquire within.
"If we knew what we were doing, it wouldn't be called research, would it?" --
Albert Einstein


> -----Original Message-----
> From: Scott Carle [mailto:audeojude@...]
> Sent: Friday, 8 August 2003 1:44
> To: harryproa@...
> Subject: [harryproa] Re: Electric Motors DIY for less
>
>
> I went out and looked at tis website and didn't see
> that article on the web. It must be paper only. I
> would love to see it but I am in the us and trying to
> get a back issue is just cumbersome from here.
>
> anyone over there have it? and could scan it and email
> it to me?
> Scott
>
> --- harryproa@... wrote:
> > To unsubscribe from this group, send an email to:
> > harryproa-unsubscribe@...
> >
> >
> >
> --------------------------------------------------------------
> ----------
> >
> > There is 1 message in this issue.
> >
> > Topics in this digest:
> >
> > 1. Re: Electric Motors DIY for less and
> > biodiesel?
> > From: Tony Richardson
> > <atrichardson@...>
> >
> >
> >
> ______________________________________________________________
> __________
> >
> ______________________________________________________________
> __________
> >
> > Message: 1
> > Date: Thu, 07 Aug 2003 09:11:29 +1000
> > From: Tony Richardson <atrichardson@...>
> > Subject: Re: Electric Motors DIY for less and
> > biodiesel?
> >
> > Sounds good till you try to use something like that
> > and realise the system needed to control the motor
> > works out to be 4 times the cost of a new motor.
> > Then you have to engineer the electronics to make
> > the system regenerate and then you have to couple it
> > to a shaft and prop setup.
> > All sounds easy NOT
> > All sounds cheap NOT
> > I think if you were relatively handy with a lathe
> > and milling machine you could attempt the coupling
> > and drive jobs but the control and regeneration
> > electronics would nearly require a degree in
> > electronics and or many years experience in building
> > this type of equipment.
> > Also there is still the outlay for the battery bank
> > One other thing
> > At 240 volt 50Hz (Australian standard)about the safe
> > maximum motor size you can use from a 10amp(std
> > power outlet) powerpoint is something close to
> > 1.5hp. That is far bigger than what the average
> > washing machine has and is a very very long way from
> > 6hp.
> > I haven't worked out the percentage difference but
> > it would be huge. An outboard comparison could look
> > something like 10hp against 60hp(haven't done the
> > math to work it out and if someone that knows how
> > could work it out I would be interested in the
> > result)
> > Just one more thing
> > All this stuff is very high voltage and very high
> > amperage so toying with it and getting it wrong will
> > lead to a death, probably your own.
> > Don't get me wrong I hate paying money for
> > anything(wind is for free) but sometimes
> > safety,reliability and engineering are worth paying
> > for.
> > However, I like the suggestion and as mentioned it
> > could have many other applications and is cheap.
> > Rgs
> > Tony:-)
> >
> > ----- Original Message -----
> > From: ellermana
> > To: harryproa@...
> > Sent: Wednesday, August 06, 2003 12:41 PM
> > Subject: [harryproa] Electric Motors DIY for less
> > and biodiesel?
> >
> >
> > Anyone interested in electric motors whose budget
> > does not extend to
> > US$9000+ for the real thing might like to explore
> > a DIY option based
> > on brushless "Smartdrive" washing machine motors.
> > In Australia,
> > these are sold in Fisher & Paykell machines, and
> > have been converted
> > for many uses. They can be acquired cheaply from
> > discarded washing
> > machines, or the key components purchased new.
> >
> > The ReNew alternative technology magazine has had
> > several articles
> > recently on converting these motors for use as
> > generators (Issue 82
> > Jna-March 2003, Issue 80, July-Sept 2002). With
> > the right electronic
> > expertise, it would presumably be possible to
> > produce a powerful low
> > revving regenerating motor for maybe less than
> > A$500.
> >
> > Then if you really wanted to save the planet, you
> > could charge your
> > battery bank by solar, and/or run a backup
> > generator on biodiesel.
> > ReNew magazine also covers the backyard production
> > of biodiesel in
> > several recent issues, using used frying oils as
> > the feedstock.
> >
> > The ReNew magazine is published by the Australian
> > Alternative
> > Technology Assoc. Their wbsite is www.ata.org.au.
> >
> > Andrew Ellerman
> >
> >
> > To unsubscribe from this group, send an email to:
> > harryproa-unsubscribe@...
> >
> >
> >
> > Your use of Yahoo! Groups is subject to the Yahoo!
> > Terms of Service.
> >
> >
> >
> > [Non-text portions of this message have been
> > removed]
> >
> >
> >
> >
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Fri Aug 8, 2003 12:09 am

jimbaltaxe
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Message #127 of 6622 |
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I went out and looked at tis website and didn't see that article on the web. It must be paper only. I would love to see it but I am in the us and trying to get...
Scott Carle
audeojude
Online Now Send Email
Aug 7, 2003
1:43 pm

If it is scanned, please post it where we can (all) get to it. BTW I've subscribed to the magazine as it looks very useful. Enjoy Jim Baltaxe ITS Desktop...
Jim Baltaxe
jimbaltaxe
Offline Send Email
Aug 8, 2003
12:09 am

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