Alt-BEAM Archive
Message #04659
To: beam@sgiblab.sgi.com
From: Bumper314@aol.com
Date: Sat, 19 Jun 1999 23:42:32 EDT
Subject: [alt-beam] Re: Some questions...
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
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