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How long have you been spudgunning for?

A place to ask general spud cannon related questions.
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How long have you been spudgunning for?

Unread postAuthor: SubsonicSpud » Tue Apr 28, 2009 6:45 am

Simple thread,
How long have you been in the hobby? and what got you involved?

Myself I started out with Air/Water rockets in primary school about 16 years ago which developed into making air rifles and then a golfball, ball valve gun in high school. Sort of got involved in an arms race with my best mate which resulted in some pretty cool stuff, Trebuches, Ballistas, and a 3" Pneumatic cannon :twisted: . Lost interest in the hobby after high school and somehow got the urge to start up again 6years later :twisted: when I discovered this site :D

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Unread postAuthor: inonickname » Tue Apr 28, 2009 6:54 am

I pretty much started the same way you did; making water rockets in year 5 or so. We began with the quick disconnect type, then moving onto a clark cable. We also made a launcher for shooting many rockets off quickly, which was just a launcher with no hold down mechanism connected to a shop compressor. Turn the valve, hold the bottle down (wearing a thick leather glove) until it fires itself. If you had someone waiting to restock you could do a mid powered rocket every 5 seconds.

So eventually we had the bright idea of shoving a pattie melon down there (small spiky type, weed.) and firing it. Entertained us for a while, then we looked into things like this and Later found this site.

How long? Well for spudding, as in shooting potatoes maybe a month before my join date..perhaps two. But who on earth actually shoots potatoes nowadays?
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Unread postAuthor: SubsonicSpud » Tue Apr 28, 2009 6:58 am

inonickname wrote: But who on earth actually shoots potatoes nowadays?


That is true, I did years ago but no longer

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Unread postAuthor: suburban spudgunner » Tue Apr 28, 2009 6:58 am

Five years: it started in sixth grade, when the hormones started raging and I wanted to break some stuff. I also enjoyed science and engineering, so I figured I would build a pneumatic gun (ball valve, unfortunately).

Unfortunately, that's the only gun I've built so far; I'm mostly here to learn.
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Unread postAuthor: psycix » Tue Apr 28, 2009 8:18 am

About two years now. Not very long. But many years will follow. :)
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Unread postAuthor: CpTn_lAw » Tue Apr 28, 2009 8:27 am

It's been eight years. My dad's best friend's son (ouch) wanted to make a spudgun, but his father considered it to be too dangerous. So he explained me how it was made, but i prefered the pneumatic ones. So a friend a I built this first cannon with no valve, just shove a 3cm marble in a vac-cleaner tube, and pump the soda bottle it until it fires.
Four years later i discover that i'm not the only one and join the spudfiles community ^^
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Unread postAuthor: Ragnarok » Tue Apr 28, 2009 9:37 am

inonickname wrote:But who on earth actually shoots potatoes nowadays?

I certainly do. It's like cheap plinking ammo. In my case, probably the cheapest projectile I use on a regular basis. Well, other than the pellets for my air rifle I guess, but that's the luck of my air rifle liking fairly cheap Crosman pellets - and I don't get quite the same destruction per £.

Of course, the other way of shooting potatoes is also fun - you know, shooting at them.

Now, let me think... I believe I've been at the business of accelerating things for about four years now. Perhaps not very long in the great scheme of things, but long enough to more than know what I'm doing.
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 28, 2009 10:10 am

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Unread postAuthor: Biopyro » Tue Apr 28, 2009 10:14 am

inonickname wrote: But who on earth actually shoots potatoes nowadays?

I do! Potatoes are an excellent ammunition. Any diameter, cheap, easy,no riccochet risk, and pretty good damage. I find most other reusable ammo either deforms and needs remoulding too often (polymorph), or bounces around my range too much.

I've been spudding since summer 2006, and have had variable levels of involvement the whole time.
Most of my projects now revolve around spudding in one way or another too.
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Unread postAuthor: ALIHISGREAT » Tue Apr 28, 2009 10:44 am

Since summer 07... so nearly two years!
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Unread postAuthor: Carlman » Tue Apr 28, 2009 11:23 am

1.5 yrs or thereabouts
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Unread postAuthor: mark.f » Tue Apr 28, 2009 11:52 am

Wow.

It's been three years almost to the month.

I remember how it started. Me and my friend blowing apart improperly glued combustions, sending lollipops through tin roofing, me making DWV pneumatics with 3/4" sprinkler valves. I remember it like it was yesterday...

That was Sophomore year, I do believe. Good times... good times...
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Re: How long have you been spudgunning for?

Unread postAuthor: Technician1002 » Tue Apr 28, 2009 12:17 pm

SubsonicSpud wrote:Simple thread,
How long have you been in the hobby? and what got you involved?

Myself I started out with Air/Water rockets in primary school about 16 years ago

SubsonicSpud


Good grief. As a kid I had one of those air/water rockets with the pump launcher. I had that in grade school, so if you go by that, I've started almost a half century ago. :D

Went through high school, military with real live ammo, and then into electronics. Didn't really get the bug until about 10 years ago when I built my first piston, a 3/4 inch coaxial. The piston was huge, very long and fairly slow, but it was my first home built. After that built several other models with a common problem of pistons either breaking the valve or the piston itself shattering.

This was the time I heard of combustion spudding and learned a little about ABS surviving the burst of a combustion cannon. This is where I decided to test ABS. I had no easy way to make a traditional piston with the stuff due to the limited selection of pipe sizes, so the rope pulled QDV test cannon was born. It outlived the 4 PVC cannons before it.

After the ABS cannon, I started playing with tweaking the dimensions on piston valves and learned how QEV's work, which led to the construction of the Mouse Musket, a 1 inch cannon with a 1.5 inch barrel sealer piston sitting on a 1.25~1.3 inch valve seat (o ring). This became my favorite toy as it could put gumballs through 1/2 inch plywood. Due to the SSSSSssssssBANG of a true QEV, it tended to shatter piston valves. After breaking 3 pistons over a couple years, it gathered dust and the ABS Test cannon was the annual event at the church camp launching apples.

Last year, the T shirt competition lit the spark again. :D I knew of what materials failed on a regular basis and what held up. I was worried the non pressure rated pipe would count badly against us in a competition judged by engineers, so more testing was in order. The ABS Test cannon valve was a good performer, but PVC and rope pull.. Needed serious improvement.

First on the agenda was a new design. Steel tank.. Solves DWV problems and brittle PVC. The cost factor. :idea: Disposable steel tanks are free :D . Steel tank, steel cap, PVC piston, higher pressure maybe.. not good. More testing in order.

HDPE was tried. Made a HDPE piston on the drill press for the Mouse Musket to test the new material. Light strong and highly impact resistant. In testing found the barrel end of the Musket was leaking through the reducer.. Examination found the Coupler and Reducer was cracked from being tipped over on the floor too many times. Time to retire it before the crack migrates to the chamber wall.

Made the Steel Quick Dump Valve cannon just to see if it could be built with the tools my assigned high school had on hand. It was a success. Shared the news and made a trip to Arlington to share the findings and do a side by side comparison right next to a 1.5 inch sprinkler valve cannon.

Arlington wasn't too enthused on trying to build another launcher since they had one that works, but the performance was such, that to win, it could be the ace up the sleeve we had. They built one. Worked like a charm.

After the competition in showing the engineers how it works and was built, it became way too big to carry everywhere, so I built a working model, the Marshmallow Cannon. It fits in my lunch box and is my most recent project. On the table is a 3 inch version built in a Propane tank for a 200 PSI 3 inch cannon. :D

On a future drawing board is a full auto "Bubble Gum Machine --- Gun"


That's my history in spudding.
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Side by side sprinkler and QDV testing at Arlington HS.
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Unread postAuthor: covey12 » Tue Apr 28, 2009 2:15 pm

inonickname wrote:. But who on earth actually shoots potatoes nowadays?


i use them when ever possible, they have a good weight and an airtight seal, one of the best ammos out there
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Unread postAuthor: POLAND_SPUD » Tue Apr 28, 2009 4:08 pm

for me it all started about 3 or 4 years ago... the first gun was a basic combustion built from a 1" iron T and several fittings...



recently I decided that it would be good to introduce some poles to this forum and spudgunning in general...

so I made a thread on the most popular airgun site in poland....

...I showed them all the best cannons on spudfiles and guess what??

it seems they didn't like it at all what is more, I exposed myself (and my illegal - by polish law - hobby) a little bit too much...
and I can't edit that damn post in any way... it seems they can't be reasonably convinced to remove the thread
well I know that forum to some extent and I believe that some of them didn't like the idea that something can be more impressive than their heavily modded and expensive airguns :wink:

I had the impression that I shouldn't do it - you know - never trust poles!
(controversial - but unfortunatelly it turned out to be true on way toooo many occasions)

well I hope I can get away with it
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