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 Oh Boy.. Will's got a 120 idea

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Cody
Dan Curhan
jeeves_m_d
Josh Raichel
Will Bales
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Will Bales
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Oh Boy.. Will's got a 120 idea Empty
PostSubject: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 10:21 pm

Just ponder this statement for a little while, then post your thoughts..


"120 pound version of Fluffy."


Interesting, isn't it?
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Josh Raichel
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 10:21 pm

That's a big fireball.
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jeeves_m_d
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:08 pm

hmm would u still be using a drum because your never gonna find tube big enough but you would be alright with a bender
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Dan Curhan
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:23 pm

Josh Raichel wrote:
That's a big fireball.

LOL
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Cody
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Cody


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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:23 pm

we wanted to build a 120lb aftershock, knicknamed monster shock but our advisor wouldnt go for it
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Josh Raichel
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:32 pm

Dan Curhan wrote:
Josh Raichel wrote:
That's a big fireball.

LOL

Glad someone likes my humor. Razz
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Will Bales
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:43 pm

lol

very big fireball..


Funny that you mentioned the drum..

possible tube 1
Possible tube 2
Possible tube 3

Cool
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Cody
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:49 pm

thats not nearly big enough!!!!
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jeeves_m_d
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeMon Nov 16, 2009 11:51 pm

Only 12''?
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Jeff L
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 12:11 am

12" diameter is pushing it a bit too far. My calculations say it'd be a 51 lb drum at .5" wall thickness & 1' long, with a maximum energy storage capacity (battlebots rules) of 277.32 kJ.
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Cody
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 12:20 am

hmm will i think thats an it cant be done! lol
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Jeff L
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 12:34 am

It could be done, but you'd end up with something much closer to Copperhead than Fluffy as far as overall design. A 12" drum makes more sense in RFL competitions, where you can store more than 750 kJ due to the higher weapon speed rules. Oh, and they'd probably both be able to escape from the arena Razz.
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Josh Raichel
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 12:39 am

Hmmm this insane joules discussion reminds me of my idea for a weapon that broke the sound barrier. Very Happy
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Will Bales
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 7:55 am

ya, I don't think it will be a problem.. 1 foot is big enough. don't forget that if you scale EVERYTHING up 6:1, it instantly becomes 1000 pounds! I think that 1 foot will be just about right. drive for it would be either several lehner's, or some Magmotors. Inside the drum, of course.. Whyachi Planetary Gearboxes for drive.. It would be interesting..
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rjw
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:19 am

will bales wrote:
Just ponder this statement for a little while, then post your thoughts..


"120 pound version of Fluffy."


Interesting, isn't it?

How about a 120 version of TTATT to go along with it?
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Cody
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 11:52 am

build a one twenty and play in the RFL and botsiq
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Josh Raichel
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 5:18 pm

rjw wrote:
will bales wrote:
Just ponder this statement for a little while, then post your thoughts..


"120 pound version of Fluffy."


Interesting, isn't it?

How about a 120 version of TTATT to go along with it?

Lets throw a 120lb Redemption in there to give Knightrous a run for its money. Wink
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Jeff L
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 5:45 pm

My concern is more that the drum will destroy itself at those speeds. After all, it needs to be able to take as much energy as it delivers.
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rdubard
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 8:40 pm

Yeh, you don't take every dimension of a 15 pounder and multiply by 8 to magically get a 120 pounder. . .

Think about/visualize this: At its crudest, you would multiply the dimensions of a small box by the cube root of 8 (which happens to be 2) to to get a large box of 8 times the volume. Imagine a kid's cubic wooden block--take 8 of them and make a cube--2 per side, see?

If fluffy's drum is 6 inches in diameter, and 8 inches long (just guessing), then to make it 8 times the volume it would need to be 12 inches in diameter and 16 inches long. Of course, if you keep the rpms the same, you end up with twice the tip speed, which doesn't seem rational, feasible, "legal", or necessary.
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Will Bales
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 9:58 pm

ya, I'm looking at the 300 m/s limit and I don't think it will be much of a problem.. I get 18795 rpm.. That seems JUST FINE to me!
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rjw
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:00 pm

I thought it was 300 FEET per second for BotsIQ and 400 for rfl????
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Jeff L
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:04 pm

Yes, it's 300 feet per second for Battlebots, 500 feet per second for RFL.
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rjw
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:06 pm

Jeff L wrote:
Yes, it's 300 feet per second for Battlebots, 500 feet per second for RFL.

I just looked it up and you are corect 300 and 500 FEET...not meters
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Josh Raichel
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:11 pm

They do not enforce that, at least up here. No sort of testing like that last year, as our junior's bot Bosshawg went over that limit i believe...

Redemption was doing about 178 ft/s and I recall Bosshawg being about double that.

They might this year?
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitimeTue Nov 17, 2009 10:17 pm

I hope not !
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PostSubject: Re: Oh Boy.. Will's got a 120 idea   Oh Boy.. Will's got a 120 idea I_icon_minitime

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