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I HATE EMOS (feather weight)
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dyrodium
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Joined: 24 Aug 2004
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Location: Sydney


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How'd it go? Video! Very Happy
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Post Fri Jun 23, 2006 6:27 pm 
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Windhammer



Joined: 19 Jun 2004
Posts: 338
Location: Roleystone WA


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http://www.youtube.com/watch?v=Gb0e5sgXGfY

Post Fri Jun 23, 2006 8:11 pm 
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Windhammer



Joined: 19 Jun 2004
Posts: 338
Location: Roleystone WA


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Okay, i was very dissapointed with the pushing power of IHE yesterday so i have desided to rebuild the shell agian to make it heavier. lol The base is 4mm steel checkerplate and the sides are 3/4" choppingboard.

http://www.robowars.org/forum/album_pic.php?pic_id=1260

Post Sat Jun 24, 2006 2:07 pm 
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dyrodium
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nice! That's some thick chopping board lol!
I love the whole feel of *tetinus* to it Laughing
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Post Sat Jun 24, 2006 6:25 pm 
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Windhammer



Joined: 19 Jun 2004
Posts: 338
Location: Roleystone WA


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Lol thanks man, i went out and bought a piece of checkerplate ali for the new shell Very Happy it drives like a charm Smile

http://www.robowars.org/forum/album_pic.php?pic_id=1261


Test drive: http://www.youtube.com/watch?v=U1d4MqVQRII

Post Sat Jun 24, 2006 7:32 pm 
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Windhammer



Joined: 19 Jun 2004
Posts: 338
Location: Roleystone WA


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Roadkill arrived today!
ive changed the weapon around to and overhead cutter insted of an undercutter because i thought it might be more affective in the crappy WA arena Razz

http://www.robowars.org/forum/album_pic.php?pic_id=1266

Nice work angus! and thanks agian! but what have you been feeding it to make it so fat? Razz

Post Mon Jul 10, 2006 11:58 pm 
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Big AL
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Joined: 16 Oct 2004
Posts: 436
Location: roleystone perth. WA


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looks sweet im now scared, im gonna have to make hyper a bit more hardy now, if i could get some welding rods,and some other bits and pieces i might be able to
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Post Tue Jul 11, 2006 8:26 pm 
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dyrodium
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Joined: 24 Aug 2004
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Laughing Yeah you need REALLY flat floors.
I wanna see the fight Very Happy
EDIT/ LOL yeah It's so big because I wanted room for options... you could fit almost any weapon system into that thing Very Happy /EDIT
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Post Tue Jul 11, 2006 8:46 pm 
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Windhammer



Joined: 19 Jun 2004
Posts: 338
Location: Roleystone WA


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http://www.youtube.com/watch?v=N_Q5pDPyxBY

Weapon test Very Happy

i didnt end up going near colli's to get u some rods sorry, but its just down the hill, cant you drive yet? Razz

Post Wed Jul 12, 2006 9:23 pm 
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Spockie-Tech
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Joined: 31 May 2004
Posts: 3160
Location: Melbourne, Australia


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Nice to see your bots coming together over there.

You might want to see about making a couple of washers out of UHMW (or chopping board on a budget), use a nylock that you can set the tension on and make a slipping clutch to drive your weapon with. Either that, or rig up a friction drive rubber wheel and a second shaft for the bar.

It might help the weapon motor survive hits. Direct Drive Bars mean your motor will not be long for this world when it hits something solid otherwise.
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Post Wed Jul 12, 2006 10:01 pm 
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dyrodium
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Joined: 24 Aug 2004
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Location: Sydney


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It's a pretty strong motor actualy, and has a 10mm shaft! Shocked
It survived our little 4 bot event... so should do with the bot's his got up thar.
But yeah, upgrade for robowars yeah? Very Happy
lol yah windhammer bought roadkill... Laughing
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Post Wed Jul 12, 2006 10:20 pm 
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prong
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Joined: 19 Jun 2004
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Plus its a titanium bar I think, so pretty thin and light, should be fine Smile

Post Thu Jul 13, 2006 1:37 am 
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Knightrous
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Joined: 15 Jun 2004
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Location: NSW


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quote:
10mm shaft


10mm shaft is still small... TTT has a 30mm shaft in the huge assed motor in it and it survived Welch sitting on it for a "Merry Go Pound" @ the Ideas festival Laughing

But on the same note, Harmorrhage ran a blower fan motor with a 7inch saw blade on it direct drive with an 8mm shaft and we never broke the shaft... Just bent it a few times Razz (Broke Scoopy Doo's arm, cut Ballpeens Batteries out, cut #5's wheels off....)
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Post Thu Jul 13, 2006 6:48 am 
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Spockie-Tech
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Location: Melbourne, Australia


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Saw Blades are not the same as Bars.

I.G. ran a saw blade for ages with only occasional problems with its angle-grinder gears. The moment I bolted a bar-shaped blade on, the gears were shredded within a few hits.

Bars create far greater shock and side loads than a saw blade does, and as mentioned, even a saw blade can bend shafts on occasion.

10mm is pretty good, provided the bar is mounted down low on the shaft and has good bearing support, But direct drive bars still arent a good idea long-term.

Anyway, its just a tip for him to a think about, not an "OMG, Fix that now". Wink
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Post Thu Jul 13, 2006 9:47 am 
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Rotwang
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Joined: 15 Jun 2004
Posts: 1589
Location: Vic


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Also some motors like EV’s use plain bushes that are round and only held in place with a spring clip, they pop out really easily. Scooter motors have proper ball bearings so they can take more side load.

Post Thu Jul 13, 2006 10:10 am 
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