Alt-BEAM Archive
Message #12349
To: beam@sgiblab.sgi.com
From: Bruce Robinson Bruce_Robinson@telus.net
Date: Wed, 22 Mar 2000 16:45:22 -0800
Subject: [alt-beam] Re: Schematic index
Richard Caudle wrote:
>
> I think that the biggest reason that the 'classic' uCORE
> is missing is because it dosen't work very well! Too buggy
> for newbies (and oldbies like).
Nonsense! You've been hanging out with your solar 'bots too long,
Richard. They're starting to brainwash you :)
Yes, it does take time to get the adjustments just right on the first
one, but that is just as true of the bicore circuits. Once you've done
one, the rest are much easier.
Bruce
12350 Wed, 22 Mar 2000 16:45:30 -0800 Re: RM-1 motors beam@sgiblab.sgi.com jester96beam@iname.com [mailto:jester96beam@iname.com]
I alos ordered a few of these motors. They are DEFINATELY worth that price!
I think they're a much better deal than the pager motors. I compared the
data sheet with one I found for pager motors (not sure if they exactly the
same as SBs, but very similar non the less) and the new motors actually
come out on top - they 2mA lower current, and although they're heavier the
torque make up for that - about 10X heavier but about 20X stronger. They
are also slower.
Chris
---- you wrote:
> I just recently order from solarbotics, some nice cheap DC motors
>
> -http://www.solarbotics.com/products1.shtml#p-rm1
>
> Thought i'd comment, these motors are actually pretty nice to use. I think
> that people often underestimate anything that isn't a pager motor or a
> cassette motor, i recently scavanged the exact same motor out of a CD-ROM
> drive, it, however didn't have the nice little gear on the shaft, which
> brings me to my next point. If you build a gearbox out of a kitchen timer
or
> oven timer the motors have nice mounting holes and the gear meshes in
quite
> nicely! just thought i'd comment on a good decision on solarbotic's
behalf.
>
> -Spencer
>
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12351 Wed, 22 Mar 2000 18:46:57 -0600 [alt-beam] Solarizing the Power Smart Head "beam@sgiblab.sgi.com" Brad Guillot
I am at a loss for solarizing the SPSH circuit. I feel i have prety
much exausted the Known solar engine desigs
A short list
Solar engines expected to work
-The 1381 adaptation of the 1381dlse by darrell johnson
-the 1381dlse
-the 1381 Variable Threshold SE(1381 Clroplast Note:insted of a 500k
pot i used 470k as well as a .1uF cap instead of .22uF
-The PM1 solar engine at beam online
-the D1 at beam online( this worked in typical fasion of a d1: it had
a mushey turn on point)
-an adaptation of the suneater by Ben Hitchcock(sorry for the
misspeling)
Designs i didn't expect to work but tried anyway
-the 1381
-the fled
-the FRED by Ben Hitchcock(sorry for the misspeling)
Designs i know about but didnt try for various reasons
-the clroplast Parts
-the miller engine (only drives motors and coils like the 1381,
fled, fred, ect...)
Please! any one who has succesfully solarized this circuit help me!
Is it even possible? Mabye run directly off soler cells? Please-a name a
scematic, a theroy of operation, anything. ANY help AT ALL will qualifly
you as being the collest person alive. Myself and others seem to be
banging ours heads up aganst a brick wall, but i got a hard head and am
determined to break through with some help of others with equally hard
heads. Thank you for reading this far and forgive my english mistakes.
many many many thanks
Brad and anyone else with the same problem!
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12352 Wed, 22 Mar 2000 20:45:06 -0800 [alt-beam] Re: Curiosity killed the cat alt-beam@egroups.com David Simmons Hi Guys,
this is Kyle ,I'm useing my Dad's E male acount to send this message.
I'm glad that people are useing my cap idea,it makes me proud. If no one
mindes my typeing I'd like to send sometimes.
thank you,
Kyle simmons
p.s. I like beam.
Ben Hitchcock wrote:
>
> Check out http://wollongong.apana.org.au/~ben/fred/
for the circuit and
> description.
>
> By the way, I think I've cured the 'long time lockup' problem: put a cap or
> two across the motors. Thanks to Kyle Simmons for that idea! I used 0.22
> uF and FRED has been happily popping away under my desk lamp for a good
> three hours now. I'll update the schematics next week when I have time.
>
> Just for fun I put FRED inside a clear sphere, miniball style. Who said
> that the miniball was dead? It won't exactly break any speed records, but
> looks kinda quirky.
>
> Ben
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