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Large torsion spring blaster
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Goldsmartie
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Post Large torsion spring blaster  Reply with quote
This idea came to me after I took apart my lumitron to see how it ticked. I wondered if it was posible to scale up the torsion spring system inside to the point it could fire disks that are 3-4 inches wide. Has anyone done sommin like it before?
Mon Aug 04, 2014 6:47 pm View user's profile Send private message
ScoutsIX-3
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Post Reply with quote
It's certainly possible, although I think you'll run into more problems making the discs themselves. Getting the right balance and weight-to-lift ration will be incredibly tricky at such a large size.

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Mon Aug 04, 2014 9:02 pm View user's profile Send private message Visit poster's website
OldNoob
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Post Reply with quote
Sounds like a clay pigeon launcher. Why would you want to throw a disc that big?

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Big_Poppa_Nerf wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Mon Aug 04, 2014 9:09 pm View user's profile Send private message Send e-mail
SSGT
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Post Reply with quote
OldNoob wrote:
Sounds like a clay pigeon launcher. Why would you want to throw a disc that big?

Target practice?  Smile

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Mon Aug 04, 2014 9:19 pm View user's profile Send private message
oukie
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Post Reply with quote
SSGT wrote:
OldNoob wrote:
Sounds like a clay pigeon launcher. Why would you want to throw a disc that big?

Target practice?  Smile


That's already been done though, the Nerfdisc shot also known as the Skeet launcher

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Mon Aug 04, 2014 10:18 pm View user's profile Send private message
Goldsmartie
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Post Reply with quote
The main reason to make one would be just to see if it could work, and the fact it would just be silly awesome.

I did look at clay pidgin launchers, and they mostly seem to work with a throwing arm.
Mon Aug 04, 2014 10:47 pm View user's profile Send private message
OldNoob
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Post Reply with quote
That is how vortex blasters work! The longer end of the torsion spring effectively throws the disk. A bigger ammunition requires significantly more force to throw, hence larger size.
I suspect you will end up with something very large that throws very unstable, awkward discs a very short distance. If you can get something that works, try it. That's how most mods work, someone has a daft idea, they prototype it, test it, then unleash it on the rest of us.

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Big_Poppa_Nerf wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Mon Aug 04, 2014 11:15 pm View user's profile Send private message Send e-mail
Goldsmartie
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Post Reply with quote
Okay, so ive been thinking on it, and i think ive got close toa design I like. Having it spin as it travels should help stablility. Distance. Well thats the problem, but im sure that more power should help!


Okay, diagram!

1. Priming handle
2. Throwing arm
3. Trigger system
4. Disk
5. Disk track

So to use it, you would pull the priming handle forwards, which tenses the spring and sets the throwing arm. Insert one disk and pull the trigger, the arm accelerates the disk down the track, which results in the disk spinning. At the very least it should travel over the ground a fair way.
Tue Aug 05, 2014 7:51 am View user's profile Send private message
OldNoob
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Post Reply with quote
Nice work! The only thing I can see being a problem is the length of the priming handle. If you have a stiffer spring to get best distance, you might want a longer handle to gain some extra leverage to make a softer prime. Other than that it looks like it might work. What is your ammo design?

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Big_Poppa_Nerf wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Tue Aug 05, 2014 8:40 am View user's profile Send private message Send e-mail
Goldsmartie
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Post Reply with quote
Yeah, the priming handle does need to be longer. I would like it to be adjustable really, but thats something to do after i find out if it works. Now for the ammo, I looked to a vortex disk.


This disk has a foam outer (1.) and a soft but sturdy inner (2.)
Tue Aug 05, 2014 9:38 am View user's profile Send private message
oukie
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Post Reply with quote
Why not try to get yourself some Disk Launcher disks they fly really well,

I overvaulted my Launcher (flywheel based) and it was screaming flinging these disks 25 to 30 foot,

Pah I hear you all say 30 foot is that is it,

Remember this, it's shooting them straight up in the air, yep vertical and the disks are 6" in diameter, I had it out side and the were clearing the top of my chimney which sits atop my two story house.  Twisted Evil

I never tried it on the horizontal.  Question this was mainly down to a kill switch on the base of the launcher.

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Tue Aug 05, 2014 10:40 am View user's profile Send private message
OldNoob
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Post Reply with quote
This is what Oukie means by a disk launcher,


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Big_Poppa_Nerf wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Tue Aug 05, 2014 11:11 am View user's profile Send private message Send e-mail
SSGT
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Post Reply with quote
I really want one of those now. Razz

Goldsmartie wrote:


This disk has a foam outer (1.) and a soft but sturdy inner (2.)

Some kind of plastic disk (an old CD?) with pipe insulation would probably do this.

I'm not sure how well a biconcave shape would fly though. Frisbees, Vortex discs and clay pidgeons are all concave on one side and convex on the other to create an aerofoil effect (think aircraft wing) and generate an area of lower pressure above, and/or an area of higher pressure below, the disc. The Disk Shot disks aren't this shape because they don't need lift (they travel straight up).

If you're going for a ranged weapon, you'd be better off using a soft rubber/foam edged frisbee really.

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Last edited by SSGT on Wed Aug 06, 2014 12:13 pm; edited 1 time in total
Tue Aug 05, 2014 11:54 am View user's profile Send private message
oukie
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Post Reply with quote
SSGT wrote:
I really want one of those now. Razz

Goldsmartie wrote:


This disk has a foam outer (1.) and a soft but sturdy inner (2.)

Some kind of plastic disk (an old CD?) with pipe insulation would probably do this.

I'm not sure how well a biconcave shape would fly though. Frisbees, Vortex discs and clay pidgeons are all concave on one side and convex on the other to create an aerofoil effect (think aircraft wing) and generate an area of lower pressure above, and/or an area of higher pressure below, the disc. The Disk Shot disks aren't this shape because they don't need lift (they travel straight up).

If you're going for a ranged weapon, you'd better off using a soft rubber/foam edged frisbee really.



I never thought about the aerofiol design, your bang on abot the launcher disks they are totally flat, thats a shame really.


@ SSGT PM me if you want a NIB Disk shot.

Chris

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Tue Aug 05, 2014 1:53 pm View user's profile Send private message
Goldsmartie
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Post Reply with quote
The main reason for the biconcave shape was simply due to the launcher throwing them in a vertical position, if I was going to put them in horizontally, then I would just use a scaled up vortex style disks.
Wed Aug 06, 2014 10:53 am View user's profile Send private message
SSGT
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Post Reply with quote
Oh, OK. I assumed you were after a scaled-up Vortex blaster. My bad. Razz

So you want a target practice vertical disc launcher instead of an actual blaster? You've got less restrictions on disc design in that case. You won't be using them to hit people so you won't have to make the discs too soft and flimsy.

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Wed Aug 06, 2014 1:08 pm View user's profile Send private message
UKNerfWar
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Post Reply with quote
If that's all you're doing then you could just use frisbees as the discs.



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Wed Aug 06, 2014 1:40 pm View user's profile Send private message Visit poster's website
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