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Potato Gun sights / scopes

A place to ask general spud cannon related questions.
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Unread postAuthor: TwitchTheAussie » Tue Aug 14, 2007 11:32 pm

Open sights are good. Why dont you make a few of them?
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Unread postAuthor: Rock » Fri Aug 17, 2007 4:37 am

I have been a paratrooper in the german army (not sure if its the right word, in german it's "Fallschirmjäger"). I that time i used a grenade laucher like this:
Image
The sight is flipped up an the stages are used for different distances. The drop of the potato or whatever you use to shoot might be too big (if shooting at subsonic exit velocities). So you can't use a scope or reddot.
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Unread postAuthor: spud yeti » Fri Aug 17, 2007 4:55 am

So you can't use a scope or reddot

Umm, why not exactly?
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Unread postAuthor: TurboSuper » Fri Aug 17, 2007 5:02 am

I have a laser sight on one of my guns. It isn't incredibly useful since it's a cheap laser pen diode and I'm usually shooting during the day.

I don't want to have to hold that gun anywhere near my face though :?
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Unread postAuthor: Redcoat » Fri Aug 17, 2007 5:13 am

I think i might make adjustable sights on one of my upcoming guns.They'll be open though.And I'll plan to make them easy to adjust so i can shoot at a moving target* thats coming towards me like in Zulu (awesome film).

*Not a person or living thing.
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Unread postAuthor: spud yeti » Fri Aug 17, 2007 5:35 am

I have also been wanting to make an easily adjustable sight for a while now, but haven't got around to it yet. Do you have any designs for one Redcoat?
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Unread postAuthor: Rock » Fri Aug 17, 2007 6:37 am

I think a scope would be for larger distances. you wont need one if your target is 10 metres away. if you want to shoot something at 30m or more the projektile begins to sink and you have to elevate your barrel. A sight with more than one mark(eg cross in the middle) is necessary.
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Unread postAuthor: spud yeti » Fri Aug 17, 2007 7:06 am

Yeah, I agree with you that a scope would be unnecessary. A sight is nice to have though.
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Unread postAuthor: Acdcmonkey1991 » Fri Aug 17, 2007 7:48 am

I usually just look down the top of the barrel, but on my last cannon (M700 Sniper) I used a red dot scope, as it was hard to target practice without a scope. This is my theory though... The bigger the cannon, the less you should spend on a scope. Let's say you have a 1/2 in. barrel, and you're shooting marbles. Since marbles are fairly small, you need to be able to hit the target accurately, so I would use a hunting scope, but if you're shooting a large combustion, you should just use a red dot scope, because your ammo is bigger, so it is easier to accurately hit the target. Do you see what I'm saying? This all depends on the overall accuracy of your gun though.
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Unread postAuthor: judgment_arms » Fri Aug 17, 2007 8:50 am

I can’t see how scopes could be dialed in right when at >30 yards I hold my Bazooka (posted as LAW) between 0-15 degree angle. For 50 yards it’s about 20-25 and max range is between 30-45.
You’d practically have to put it on a pivot.
As for power you don’t need anything more than a 4X.

But I’d rather use iron sights, generally all you need is a bead for small bore guns, but for large bore arms grenade sights, like Rock suggested.

I mostly sight down the barrel like shooting a shotgun.
I had a crude iron sight on my Bazooka; it was two screws screwed into a small piece of wood that was screwed to another piece of wood. You rotated the first bored (the one with the screws in it) for trajectory and you lined up the two screw heads and put them both on a target.
It was fairly accurate, considering it was just lashed on with twine; I could easily put a NERF foot ball on an old drier door at 50yards.
Maybe if I can find it I’ll take a picture and post it.


boilingleadbath wrote:You guys may have seen my "fall adjustment sight" before. (a search in the how-to section should get results)...


This is what I got:
No topics or posts met your search criteria
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Unread postAuthor: jackssmirkingrevenge » Fri Aug 17, 2007 9:23 am

Rock wrote:I have been a paratrooper in the german army (not sure if its the right word, in german it's "Fallschirmjäger")


That is how it translates, and cool job :D

Most small spudguns have sufficient velocity (200 m/s+) to be able to use direct fire sights like red-dots at reasonable (50 metres or so) ranges. The sort of indirect fire sights like those used on the HK69 you illustrated would be useful at longer ranges against larger targets. The difference is that a grenade is an "area" projectile in the sense that it doesn't need a direct hit to do damage, as opposed to a potato.
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Unread postAuthor: PinHead » Fri Aug 17, 2007 4:09 pm

Rock wrote:I have been a paratrooper in the german army (not sure if its the right word, in german it's "Fallschirmjäger"). I that time i used a grenade laucher like this:
Image
The sight is flipped up an the stages are used for different distances. The drop of the potato or whatever you use to shoot might be too big (if shooting at subsonic exit velocities). So you can't use a scope or reddot.


I've been thinking about something like this too. Ever seen the movie Quigley Down Under? I thought about a flip up adjustable sight, kinda like this.

Image[/img]
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Unread postAuthor: Redcoat » Sat Aug 18, 2007 3:44 am

spud yeti wrote: Do you have any designs for one Redcoat?


yes i do I'll upload them soon they're kinda hard to draw with word so I'll try and scan them. .It involves a sort of bolt action style system.
Where you unclip the sight, unlock the bolt from a notch and push it up along the rail to which ever notch you want (they will be designated by distance) and lock it back down.When yo move it up it pushes the sight up and down because its in a wedge.Then you clip the sight back down.
:lol: .
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Unread postAuthor: darkmilk » Sat Aug 18, 2007 3:50 am

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Unread postAuthor: Redcoat » Sat Aug 18, 2007 3:53 am

well im thinking now about getting the 10 dollar red dot but im still gonna make my adjustable sight.Their is fun to be found in making it. :wink:
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