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Hand Grenade


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#1 nerfer34

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Posted 23 February 2007 - 09:17 PM

I love Captain Slug's mine idea but I'm looking for something used in combat.
I am using Captain Slug's rubber band concept for this.

My idea is a "hand grenade"

I have been working on it all through out today.

I can almost say that it works. It definitly works but I'm unsure on how it works under different stresses of rubber bands. My prototype isn't complete yet but here is the basic concept. This is a REALLY REALLY bad picture but I'm sure you can understand the concept. There are 2 red posts on each side and they are parrallel to each other. The bottom left pic kind of explains that.
The gray are the stefans
The green are the rubber bands
Posted Image




EDIT- I am using 7 rubber bands on each side and the darts are flying around 15'.
Now just to get the timing of the pin pull precise...

Edited by nerfer34, 25 February 2007 - 11:15 AM.

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#2 Grenado

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Posted 23 February 2007 - 09:23 PM

Wah. That was... tough to understand. This shows potential if you attach it to a wire, lay it, then why the guy walks by, you pull on the pin, and he gets shot. Sounds very good for CTF! Have you actually made one? How long does it take to make one?
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#3 SHADOW HUNTER ALPHA

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Posted 23 February 2007 - 09:38 PM

Perhaps I can help explain, if I understand this right. The posts on the ends of the tube are for securing the ends of the rubber bands. The pin is placed through a hole in the center, and passes through all of the rubber bands while they are pulled back, keeping them taut. When the pin is pulled, the rubber bands are released and propel the darts into unsuspecting morons.
If this is the system that you are using, then wouldn't the grenade be a bitch to load and set? You would have to wedge your fingers into the tube and try to line up each rubber band perfectly, which is more trouble that it's worth. Of course, you could make use-and-trash grenades from a toilet paper roll and duct tape, so that there's no time wasted in resetting or reloading.

Edited by SHADOW HUNTER ALPHA, 23 February 2007 - 09:39 PM.

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#4 nerfer34

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Posted 23 February 2007 - 09:55 PM

Yea, Shadow Alpha that is correct.

I am thinking of turning it into a "timed bomb" Grenado, if this doesn't work as planned.

Yea shadow alpa as the problem with amost all grenades, RELOADING.

I am planning to make this thing out of styrofoam and have small hinges that attach/detach effeciently.

So once this thing is split in half(openned in half by hinges) then reloading should only take about 30 seconds.
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#5 Grenado

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Posted 23 February 2007 - 09:55 PM

U understood it. I think that the Skitzo Grenades or the Barricade Busters might be a more viable option than this. Easier to load, too.
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#6 Prometheus

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Posted 24 February 2007 - 10:37 AM

Yeah, I'm with grenado on this one. It doesn't seem like a realy viable option, unless it's a one time use deal. If they are cheap to produce I guess that would help make it more viable, but now it seems not so viable. Also, lubricate the pin, so that the bands slide off easier, as a metal or plastic pins with rubber will have a high coefficient of friction.
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#7 SHADOW HUNTER ALPHA

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Posted 24 February 2007 - 11:07 AM

Also, lubricate the pin, so that the bands slide off easier, as a metal or plastic pins with rubber will have a high coefficient of friction.


I was about to post something along those lines, but you would need a really good lubricant to overcome the tension of the rubber band. Also be careful not to use anything that eats rubber.
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The only commonly shared fate among us all is death. I turn to the shadows so that I may not be unfamiliar with hell's corridors when I arrive. - SHADOW HUNTER ALPHA

Founder of the Shadow Militia.
Founder of Nightshade Laboratories and The Nightshade Armament Corporation.

#8 Prometheus

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Posted 24 February 2007 - 11:59 AM

I was just thinking of something like silicon oil, just to make it a smoother slide, kinda like when your bike brakes are wet, they don't work worth shit, and their usually just some type of rubber.
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#9 LastManAlive

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Posted 24 February 2007 - 12:05 PM

Can we get a video of this thing. You said you got about 20+feet with it. Even if you got just 5 feet spread with it a video will help explain it.

Edit: You didn't explain it all, but I see how it gets held together. I am going to try this with a pop can.

Edited by LastManAlive, 24 February 2007 - 12:09 PM.

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#10 nerfer34

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Posted 24 February 2007 - 01:39 PM

OK I've been working on it.
Here are my results:
Consistently gets in the 20's, no question.
When I throw this thing, I have about 1 second, So I have to get it out of my hands.
When this thing "explodes" there is a TON of tension. This thing wobbles in air and stuff when exploding.

I have just made a prototype so far and it is successful. I've been using a plastic sphere(kind of like styrofoam). I don't want to get pics up untill my final product is made(which should be pretty soon)

The worst case scenario would be that I would turn this thing into a "timed mine". ( I tie string to the pin and pull it when I want to).

I haven't thought of lubricating the pin actually. I've been pulling the pin out fine. I had to make sure that the 4 end posts were all equal distance, so there wouldn't be a different tension for each rubberband.

I'm working on the easy reload.

EDIT-LastManAlive, that is a BRILLIANT idea!

Edited by nerfer34, 24 February 2007 - 01:40 PM.

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#11 Skitzo

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Posted 24 February 2007 - 03:08 PM

Pretty cool idea.
But
-Do you pull the pin then throw or throw then pull the pin via a string?
I'm assuming you pull then throw like a real grenade?
-What is holding the darts in the grenade once the pin is pulled?
-How reliable are these things, meaning do they explode when you want them to?
-How many darts can this thing hold?
-Do the darts go every where in a circle around the grenade or just in staightish lines from either side of the grenade?
-How sturdy is this thing in you pocket say running and doing normal nerf stuff?
-What is the pin and posts made of?

-Skitzo :D

Edited by Skitzo, 24 February 2007 - 03:12 PM.

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#12 Grenado

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Posted 24 February 2007 - 05:27 PM

All very good questions, Skitzo. I have some too, like:

Will this actually have any use, like as Talio said:

There are no nerf grenades. There will never be nerf grenades. If there ever was nerf grenades, no respectable war would allow them. Why? It's fucking game. Just stop it all ready.

Here's the deal. You guys go to 10 respectable nerf wars (I say respectable for a reason) and then come talk to me about grenades. They just won't work in a real war.

Continnue your mental masterbation if you must, but just know, this thread is dumb.

Talio.


The only exceptions I've seen so far are the Skitzos and the Barricade busters.
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#13 nerfer34

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Posted 24 February 2007 - 08:37 PM

Pretty cool idea.
But
-Do you pull the pin then throw or throw then pull the pin via a string?
I'm assuming you pull then throw like a real grenade?
-What is holding the darts in the grenade once the pin is pulled?
-How reliable are these things, meaning do they explode when you want them to?
-How many darts can this thing hold?
-Do the darts go every where in a circle around the grenade or just in staightish lines from either side of the grenade?
-How sturdy is this thing in you pocket say running and doing normal nerf stuff?
-What is the pin and posts made of?

-Skitzo :D


Good questions.
-Pull the pin then throw.
-I've been waiting for someone to ask this question! I came up with it today. I have glued a piece of black rubber (that is sturdy but not sturdy enough to block the rubber band propelled darts) on one side of each of the holes that allow the darts out of the nade.
-This thing is MUCH MUCH more reliable than Barricade busters. The explode, one second after pulling the pin
-Right now mine holds 5 on each side, so 10 total
-This thing gets a great spread atleast one dart will hit you if its thrown 5' within you
-The finished product will be the most sturdy thing you'll ever see.
-metal/metal
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<!--quoteo--><div class='quotetop'>QUOTE</div><div class='quotemain'><!--quotec-->God Damn it Groove, you stole my kill.<!--QuoteEnd--></div><!--QuoteEEnd-->-OMC

#14 Grenado

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Posted 24 February 2007 - 09:30 PM

How long do you think it will take to make one of these? And how much will it cost?
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#15 nerfer34

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Posted 24 February 2007 - 10:07 PM

Ya know how there are only 2 sides of this grenade? Well now I'm making it so it fires darts out of 4 "holes". There will be 28 rubber bands around the middle pin( 7 from each side).

From scratch, it should take about an hour to make.

Thee materials will be
-styrofoam sphere $3( OR you can use a soda can)
-28-rubber bands $.30
-3/8" metal pin $2
-8- 1/8" metal posts $4

This grenade will cost around $10 to make at the most.

Mine should be finished next weekend.
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<!--quoteo--><div class='quotetop'>QUOTE</div><div class='quotemain'><!--quotec-->God Damn it Groove, you stole my kill.<!--QuoteEnd--></div><!--QuoteEEnd-->-OMC

#16 Grenado

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Posted 24 February 2007 - 11:09 PM

When it's completed, can you experiment with different stefan lengths?
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#17 nerfer34

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Posted 25 February 2007 - 11:17 AM

My ranges have decreased a little bit. I'm getting on average about 15'. I'm still pretty happy with this spread though.


When it's completed, can you experiment with different stefan lengths?


Well my stefans are all a consistent length at around 1 3/4". I could try experimenting when I'm done.
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<!--quoteo--><div class='quotetop'>QUOTE</div><div class='quotemain'><!--quotec-->God Damn it Groove, you stole my kill.<!--QuoteEnd--></div><!--QuoteEEnd-->-OMC

#18 Prometheus

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Posted 25 February 2007 - 11:59 AM

Theoretically, almost any length of stefan will work, you jst add or remove elastic bands so that you have equal force along the length of the stefan. Also, increasing the mass will help propel the dart, but only to a certain extent. A good move would be experimenting with a heavier stefan, and finding an optimal mass that works specifically for the grenade.
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#19 Grenado

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Posted 25 February 2007 - 01:51 PM

Yeah, I meant that I was hoping that, say, your opponent is shooting at you with 1' stefans and you're using 2' stefans. You need to reload quickly but you're out of darts, except for the 1' ones your opponent has shot at you. Would the 1' ones work with out any modifications to the grenade?
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#20 SHADOW HUNTER ALPHA

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Posted 25 February 2007 - 01:59 PM

Would the 1' ones work with out any modifications to the grenade?

I don't see why they wouldn't. You could fit in twice as many, unless you're worried that they might not hold end-to-end correctly. (Even though I would rather be reloading my gun than my grenade.)
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The only commonly shared fate among us all is death. I turn to the shadows so that I may not be unfamiliar with hell's corridors when I arrive. - SHADOW HUNTER ALPHA

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#21 nerfer34

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Posted 25 February 2007 - 07:33 PM

Well first off, its key to keep your stefans at a consistent length.

You can make the holes wider or longer if you want to fire longer stefans.

I'm going out to HomeDepot and Michael's(arts and craft store to buy the styrofoam) to buy the supplies for the final product sometime this week.
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<!--quoteo--><div class='quotetop'>QUOTE</div><div class='quotemain'><!--quotec-->God Damn it Groove, you stole my kill.<!--QuoteEnd--></div><!--QuoteEEnd-->-OMC


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