Alt-BEAM Archive
Message #00835
To: beam beam@corp.sgi.com
From: Richard Piotter richfile@rconnect.com
Date: Mon, 22 Feb 1999 23:39:51 -0600
Subject: [alt-beam] Re: walker
Wow! You need 5 or 6 245s! Your motors must be realy curent hungry to need 3
245s. 2 is common, but 3! Are they the cheap BG Micro servos that sold for a few
bucks? I suppose in that case. Have you considered an H-Bridge?
Any one know what kind of curent a typical H-Bridge will handle?
davidperry@mail.geocities.com wrote:
>
> i found a cheaper source of 245's so im preceeding as planned on my
> two motor walker, however, one thing worries me. With 5 or 6 245's
> its bound to generate *alot* of heat. Would it work if i grabbed some
> aluminium sheet and sandwich it between each chip to draw off heat?
> I'm not freeforming the circuit by the way i'm using these pcb IC
> sockets, they come in packs of two and have extra holes around the
> edge, perfect fit for all of a microcore circuit.
>
> David Perry
Richard Piotter
richfile@rconnect.com
The Richfiles Robotics & TI web page:
http://members.xoom.com/richfiles
------------------------------------------------------------------------
eGroup home: http://www.eGroups.com/list/alt-beam
Free Web-based e-mail groups by eGroups.com
Home