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Planners-Beetleweight : Shredder
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Valen
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Planners-Beetleweight : Shredder




High Res
112 grams

That is all Laughing
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Post Fri Mar 09, 2012 11:32 pm 
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Knightrous
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Hoorah, it's not a wedge Razz
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Post Sat Mar 10, 2012 12:34 am 
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Jaemus
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Omfg a robot build thread!! Very much looking forward to seeing this
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Sat Mar 10, 2012 10:26 am 
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dyrodium
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Sick! Smile What's thoughts for teeth?

Post Sat Mar 10, 2012 11:08 am 
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Valen
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case hardened high tensile steel embedded into the ring
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Post Sat Mar 10, 2012 12:49 pm 
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Valen
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so some progress

http://www.vapourforge.com/jake/rw/bots/beetle/shredder/windings_perspective.jpg

the motor is now "mounted" to the bot,
we drilled out the original mounting because it was too high and we made a new one that's part of the bot itself. Also meant we don't need to worry about mounting screws ;->


http://www.vapourforge.com/jake/rw/bots/beetle/shredder/windings_top.jpg
you can see the windings running out through the trench into the little void there.


http://www.vapourforge.com/jake/rw/bots/beetle/shredder/windings_edge_on.jpg


http://www.vapourforge.com/jake/rw/bots/beetle/shredder/motor_installed.jpg


http://www.vapourforge.com/jake/rw/bots/beetle/shredder/base_hex.jpg
you can see the lower bearing mount here.
I got a pack of 10 bearings from vxb, but they seem kinda sloppy.
also a pack of 50 e clips from CBC
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Post Mon Jul 09, 2012 7:57 pm 
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Glen
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quote:
Originally posted by Valen:
so some progress




Consider that replaced endcap idea stolen! wuhahahha
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Post Mon Jul 09, 2012 8:09 pm 
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Nick
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Nice work! How did you get the original aluminium core out of the laminations without disturbing them? I would like to try that with an HK motor I have, but there doesn't seem to be any place to grip the laminations while puching out the centre tube.

Post Mon Jul 09, 2012 10:40 pm 
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Jaemus
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watchya making the outer part from? more ally?
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Mon Jul 09, 2012 10:42 pm 
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Valen
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@nick just chucked it in the lathe then drilled it out.
@Jaemus yeah, lots of Al ;->

Hopefully the outer ring should weigh about 1kg

unfortunatly it looks like it'll max out at probably 1000RPM so i might need to stick an extra cell in it
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Post Mon Jul 09, 2012 10:51 pm 
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Valen
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Oh this is what happens when your making an end cap and spin the tool post around whilst its too close to the job.

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Post Mon Jul 09, 2012 11:00 pm 
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Jaemus
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1kg outer shell + 112 grams inner frame = 248g for all the guts?
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Tue Jul 10, 2012 12:02 am 
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Valen
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hopefully something in that region.
go close anyway.
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Post Tue Jul 10, 2012 12:16 am 
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Nick
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Thanks for the info - too bad my lathe is way too small to try that trick on the featherweight motor I want to use Sad. Might have to try it out on something smaller.

Post Tue Jul 10, 2012 8:17 am 
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Jaemus
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watching with interest

pls try to keep updating the thread Smile
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Thu Jul 12, 2012 7:43 pm 
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