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Fuel and stuff
Posted: Sat Sep 23, 2006 1:36 pm
by SpudMania
i made this mini potato cannon
- Tiny bottle
- Sparker from a lighter *the ones that you click*
- And 2 thumb tack like things.
What are theese for?
Bic pen for barrel
And whats the best fuel cause i cant get duff to work.
Whats the best fuel and why wont this work.
Posted: Sat Sep 23, 2006 1:37 pm
by schmanman
Pics would be nice.
Posted: Sat Sep 23, 2006 2:19 pm
by SpudMania
Sorry for bad pictures my webcam is kinda on the downside and my dads phone cant get connected
Hope theese pictures are ok
http://img182.imageshack.us/my.php?imag ... 004jm1.jpg
http://img60.imageshack.us/my.php?image ... 002pn3.jpg
Posted: Sat Sep 23, 2006 2:29 pm
by SpudMania
Posted: Sat Sep 23, 2006 3:04 pm
by JoeSmoe32
It's hard to tell from the pic but it looks like your thubtacks are waaay too far apart. Try putting them together more.
So if you look at a cross-section of your bottle the thumbtacks look like this
\ /
You need the gap inbetween them to be just a few mm
Posted: Sat Sep 23, 2006 3:15 pm
by schmanman
wow, big chamber to barrel ratio! that's not bad or anything, though.
Posted: Sun Sep 24, 2006 6:35 am
by SpudMania
What does the thumb tacks to? and my new one isnt working
and im using Lynx
Posted: Sun Sep 24, 2006 7:13 am
by SpudMania
http://img241.imageshack.us/img241/5638 ... 010jj6.jpg
This one wont work
and why does the thumb tacks need to be together i no that you conenct ignitor to it then poke it in bottle but anything else?
Posted: Mon Sep 25, 2006 6:15 pm
by JoeSmoe32
Sorry I havn't replied back...
The thumbtacks need to be close together so the spark can jump the gap and ignite the gas inside the chamber. I can't really tell from your pic if they are close enough or not. Try to get a pic of the inside of the bottle.
One wire from the sparker to each thumbtack right? Does the sparker work? Try putting the 2 wires coming out from it on ur finger and click it.
I made a mini combustion out of a pill bottle and the hardest thing to do was to get the sparks from not jumping to eachother outside the chamber and getting the fuel mixture right. You have to use a LOT less than you think you do.
Posted: Mon Sep 25, 2006 6:35 pm
by plumpthumb
Hey Spudmania!
The guys are right, the tacks should be much closer-in fact shoulder to shoulder or about 1/8" on the tips of the tacks. Next I would use any of the great air fresheners such as Oust or even a cheapy such as Glade. Experiment with the amount you need. Sometimes I have found more is
better contrary to normal practice. Just play around with the amount and
enjoy the pleasure of experimenting. I have a mini that will blow the socks
off some of my larger guns and I found it would use a lot more than was the
usual.
