SpudFiles

CannonCreator I seriously thought you were going to be one of those good new-members that start out well and over time become a good regular member that everyone gets to know.

Obviously I was wrong, seeing as you can't accept the laws of physics.

Please don't be a stubborn moron, you're wrong. Deal with it or i'll have to deal with you.

cannon creator shut up. you don't know shit and don't try to argue with people who obviously know more than you.

This method of fueling has been around for a long time. Search the old Spudtech forum and you'll see it mentioned a couple times.

This method has some problems.

1. The actual boost in chamber pressure depends completely on the static friction between the spud and the barrel. A typical spud in a 2" barrel has something like 10 to 40 pounds of static frictional force. That corresponds to roughly 3 to 13 PSIG. On the low friction end you are only adding 3 PSIG to the 14.7 PSIA that was already in the gun, not much of an increase and probably not worth the effort. On the high friction end you are approaching a 2x hybrid.

2. Combustion guns usually are not well sealed against leaks. Cleanout plugs are notorious for leaking like crazy, expecially if it is removed after every firing. Even a small leak in the cleanout (or around the spud) will vent whatever pressure you managed to build in the gun by raming the spud after fueling.

And, BTW, 1/4 mile (let alone 3/4) with a 36" barrel is BS.

jimmy101 wrote:This method of fueling has been around for a long time. Search the old Spudtech forum and you'll see it mentioned a couple times.

This method has some problems.

1. The actual boost in chamber pressure depends completely on the static friction between the spud and the barrel. A typical spud in a 2" barrel has something like 10 to 40 pounds of static frictional force. That corresponds to roughly 3 to 13 PSIG. On the low friction end you are only adding 3 PSIG to the 14.7 PSIA that was already in the gun, not much of an increase and probably not worth the effort. On the high friction end you are approaching a 2x hybrid.

2. Combustion guns usually are not well sealed against leaks. Cleanout plugs are notorious for leaking like crazy, expecially if it is removed after every firing. Even a small leak in the cleanout (or around the spud) will vent whatever pressure you managed to build in the gun by raming the spud after fueling.

And, BTW, 1/4 mile (let alone 3/4) with a 36" barrel is BS.

Finally!!! I get a answer!!!!

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SpudBlaster15 wrote:

CannonCreator wrote:Finally!!! I get a answer!!!!

Once again, are you trying to act like a moron?

CannonCreator wrote:I was wondering if this is how everyone else loads there cannons and im just completely oblivious to it, Or if this is someting rarely done.

Did you not notice the 7 other replies to your question on the first page of this thread? (No offense intended to jimmy, as his answer was excellent)

Congratulations, you have been added to my sig!

Those werent answers IDOIT, they were complaints, that theres know way a spud could go 1/4 a mile, Thats not what im asking morons!

Jimmy answered the question!

DirtyDan wrote:I actually tried this method on my combustion a while ago when it was in the testing phase... it seemed like a pretty sweet idea at the time, and yeah, in the few tests I did using this method it did seem quite a bit louder, but I didn't really have an accurate way to measure the distances I was getting... had a bit more kick to it too if my memory serves me...

I didn't take the time to calculate how much more propane I should have been using so I kinda just estimated, but I would assume that if you calculated how much more air is in the chamber and adjusted your propane meter respectively (using metered propane seems like the only way to possibly take any advantage from this) then you 'might' actually see some more power in your shots... but of course you must take into account that the potato isn't going to give you a perfect seal... probably not even close, so you'll have to take that into consideration when making your calculations.

MrCrowley wrote:I too have also used this method. Un-metered combustions are too unreliable to test like that.

They seem to have answered it.

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CannonCreator

^ LOL........i bet he failed the IQ test in school

spanerman wrote:^ LOL........i bet he failed the IQ test in school

I bet he did.

This is what CannonCreator looks like to me right now. Link

Gadzooks! MMR Rocks.