Alt-BEAM Archive
Message #04660
To: beam@sgiblab.sgi.com
From: James Taylor edgar_the_hate_bug1@yahoo.com
Date: Sat, 19 Jun 1999 20:54:19 -0700 (PDT)
Subject: [alt-beam] Re: Some questions...
Anyone know what kind of driver I can use with
Nitinol, something I can attach to a Bicore?
I guess since each leg is drawing 150 mah, then the
stiquito setup would draw 400 mah! Any ideas?
--- Bumper314@aol.com wrote:
> In a message dated 6/19/99 6:20:55 PM Pacific
> Daylight Time,
> evandude@yahoo.com writes:
>
> > Yeah, they sound too good to be true: Small,
> lightweight, strong, etc.
> > Well, they are. They eat even batteries like
> candy. They are not
> > good for solar power especially, because solar
> circuits are not usually
> > designed to power high-current loads like that,
> and if you used a
> > separate driver, or in this case likely more than
> one, the larger
> > muscle wires could fry a little H-bridge to
> peices, and would require
> > like 6 '245s to drive, they suck like 1500mA. In
> other words, they are
> > inefficient. If you ran them off a good enough
> driver, they still
> > would only move a little bit, and far between-
> the amount of power that
> > would run an efficient motor for 10 seconds may
> only make the larger
> > wires twitch a bit for less than half a second.
> But get a second
> > opinion, ok? because I am no expert on muscle
> wires.
> >
> >
> ____________________________________________________
>
>
> Nah....the smallest muscle wires eat only 30mA, and
> the ones that come with
> the Stiquito take about 120mA, so i will have to try
> the small stuff to see
> what its like.
> on another not, the smallest one can pull 30 grams i
> blieve while the
> stiquito one can pull 150 grams.
>
> Steve
>
===
Everything I say can mean one of two things...If something I say makes you mad....I meant it the other way.
James Taylor
URL: http://fly.to/springmeadows
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