Hi everyone. I am currently in the process of building my first combustion spudgun. This will not be my first cannon however as I have built a .50 cal air cannon in the past. I have a few questions i want to get answered before i put it all together. Here are the parts I have:
5 feet of 2" pvc pipe
5 feet of 4 inch pvc pipe
4 inch to 2 inch reducer
4 inch cleanout cap and plug
lantern lighter
1. What is the best chamber to barrel ratio for a 2 inch barrel using spray deodorant (old spice or right guard) as a fuel?
2. My 2" pipe doesnt fit perfectly into my reducer (not toght but not loose either, kind of semi-snug) will this be okay when I pvc cement it together?
3. What length barrel do you suggest I use ? I was thinking 3 to 4 feet.
4. Where should I mount the lantern lighter?
Any help you could give me would be much appreciated. Thanks!
Noob to combustion
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1 dont remeber probally doesnt need to be presise
2 - youll be fine as long as you know how to use pvc cement
3 - well mines got a 4 foot barrel (its just a combustion +/- a foot probablly wont make much of a difference
4 - well i made a front grip for my cannon and i mounted the ingnitor there
ps - i see yuor up a midnight too yay for insomnia (unless your in a different timezone)
2 - youll be fine as long as you know how to use pvc cement
3 - well mines got a 4 foot barrel (its just a combustion +/- a foot probablly wont make much of a difference
4 - well i made a front grip for my cannon and i mounted the ingnitor there
ps - i see yuor up a midnight too yay for insomnia (unless your in a different timezone)
be sure to check out my <a href="http://www.spudfiles.com/forums/ak-styl ... 9.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>
upcoming projects... finalized clip fed BBMG and ball point pen sniper
upcoming projects... finalized clip fed BBMG and ball point pen sniper
1. the best chamber to barrel ratio is 1.5:1 ... so you could do a 5 foot barrel and a 23.75 inch chamber
2. ditto on the guy above me
3. thats up to you.. 3 - 4 feet is fine go to http://www.burntlatke.com/ratcalc.html to figure out your C/B ratio
4. sorry im no good with lantern lighters but its best to drill through 2 layers of plastic, so i would put it towards the back at the cleanout plug.
With a combustion the first and best upgrade you want will be a chamber fan go to http://www.burntlatke.com/fan.html to find out more
2. ditto on the guy above me
3. thats up to you.. 3 - 4 feet is fine go to http://www.burntlatke.com/ratcalc.html to figure out your C/B ratio
4. sorry im no good with lantern lighters but its best to drill through 2 layers of plastic, so i would put it towards the back at the cleanout plug.
With a combustion the first and best upgrade you want will be a chamber fan go to http://www.burntlatke.com/fan.html to find out more
