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Cheap ant weights
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ffej
Experienced Roboteer


Joined: 22 Jun 2004
Posts: 595
Location: Kurrajong, NSW

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quote:
I tryed a glow plug for my spud cannon but it burnt out first go Evil or Very Mad


Dude !?! That was one spensive way of going about it. . . . Dunno why, but Ive always found that a spark or flame lights better than an element, its way more tolerant when it comes to mixture screwups - BBQ lighter is the easiest option there, they work well till you end up breaking them off during the recoil action. Camera flash / strobe makes a fairly good one shot spark for ignition, flybacks are great for continuous.
Im using a flyback on the big one im building now - a way more serious attempt compared to my last one that was built on schoolies when it wouldnt stop raining lol. This one features a chamber fan, breach loading, and a decent chamber to barrel ratio - Running metered propane this time around too, as opposed to a 3 second shot of hair spray / deodorant - arseloads more power than the last one Evil or Very Mad

BTW, I believe glow plug wire is platinum
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Post Sat Nov 25, 2006 3:48 am 
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wilko



Joined: 25 Sep 2005
Posts: 133
Location: Ballina N.S.W

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turns out i have a massive supply of wire out of a hair drier, i dont know if its nicrome or platnim but when u attatch power it glows
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Post Wed Nov 29, 2006 6:23 pm 
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dyrodium
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Joined: 24 Aug 2004
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Highly likely nichrome.
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Post Wed Nov 29, 2006 6:37 pm 
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WiperMotor



Joined: 04 Sep 2006
Posts: 301
Location: SA,Australia

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Hummm,glowing hey? heh heh ha Twisted Evil
Post Wed Nov 29, 2006 7:04 pm 
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wilko



Joined: 25 Sep 2005
Posts: 133
Location: Ballina N.S.W

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yaeh i was full burning a chunk of wood with it Twisted Evil
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Post Fri Dec 01, 2006 5:14 pm 
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WiperMotor



Joined: 04 Sep 2006
Posts: 301
Location: SA,Australia

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well I was thinking if you want a decent spark you might be able to dump an electric fence charge through a 12v car coil?!? Twisted Evil
Post Thu Dec 14, 2006 1:48 pm 
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dyrodium
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Joined: 24 Aug 2004
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Location: Sydney

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Hmmm... going slightly OT I would believe...
Not that I really care, but I did start this topic all those posts ago and it's about cheap antweight damn it! Laughing
You don't want a spark for a flame weapon anyway, you need a constant ignition source, like a pilot light or nichrome. Razz
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Post Thu Dec 14, 2006 4:09 pm 
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WiperMotor



Joined: 04 Sep 2006
Posts: 301
Location: SA,Australia

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oh well it was just an idea that poped into my head after I got zaped by the fence down the back Embarassed

it just that I like flames and things but i REALLY shouldn't be saying things like that with all these bush fires around aheeh Shocked

but for a chep antweight you could use one of those RC loaders?
Post Thu Dec 14, 2006 4:14 pm 
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Wazio88



Joined: 22 Jul 2006
Posts: 101
Location: Las Vegas, Nv USA

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In the US forum a guy named ‘Dick’ has a mini sparking unit made from stun gun parts for about $40 bucks US. It has worked very well in many different bots… Might be worth a look for ya.
Post Thu Dec 21, 2006 2:59 am 
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Jason Team Grimlock



Joined: 06 Jan 2007
Posts: 95
Location: Sydney-nsw-bondi

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Hey there!- on the subject of ants, lets go!!!! myself and a workmate have
both built an ant(less than 150g, 4in or less)Andy has a lethal little
flail-bot (uses those lead sinkers), mines a spinner with no11 scalpel blades
on it, it shreds take away containers with ease!!! I love em, Were going to
take ours to marayong on feb24-maybe If yourself or others bring an ant along, Im sure we can have a bit of a bash around!!!-Ill post pics of the
ants next week when Im back at work!!
Jason.
Post Fri Feb 02, 2007 6:57 pm 
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dyrodium
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Joined: 24 Aug 2004
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Location: Sydney

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Sounds cool!
But bad news, all I build are beetles which are 1.36kg Laughing Still want a rumble?
I guess I could give a go at a 150g ant but not right now... damn yr 12. Laughing Already have enough projects!
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Post Fri Feb 02, 2007 7:16 pm 
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Fish_in_a_Barrel



Joined: 30 Sep 2006
Posts: 673
Location: Perth, Western Australia

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Now that would be interesting, 9 ants vs. 1 beetle. I want footage Razz
Post Fri Feb 02, 2007 7:47 pm 
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dyrodium
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Joined: 24 Aug 2004
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On second thoughts I might try one... Laughing
150g, you sure yours fit in that? Smile
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Post Fri Feb 02, 2007 8:25 pm 
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leo-rcc



Joined: 04 Aug 2006
Posts: 231
Location: Hoogvliet, Netherlands

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Mines 2 gram underweight. Smile
Post Fri Feb 02, 2007 9:01 pm 
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Jason Team Grimlock



Joined: 06 Jan 2007
Posts: 95
Location: Sydney-nsw-bondi

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Sure Dyrodium-I love lighweights too, ill bring the liitle fellow along, andy may
bring his, why dont you and anyone else whod like to be in, bring along
whatever youve got on the day, and well have us a rumble for the fun of it!!

Its a class that has a lot of potential, you only need a teeny arena and
they are cheapest to build i guess-I look forward to meeting you and other
roboteers on the day-Jason
Post Sat Feb 03, 2007 1:26 pm 
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