Built a prototype already. Ended up with 1:5-1 and Im not completely satisfied with power. Second unit I'm going to learn from my mistakes. Wanted you guys to check my metering math please.
Going for 1:2-1
Chamber volume is 2297 ml
140.10 cu in
Need 5.60 cu in of propane for 4.2%
40psi * x=14.7psi ...
Search found 3 matches
- Wed Jan 16, 2013 7:06 pm
- Forum: Combustion Cannons
- Topic: This math look correct to you guys?
- Replies: 3
- Views: 3737
- Sun Dec 30, 2012 8:37 pm
- Forum: Combustion Cannons
- Topic: Want build a signal cannon
- Replies: 14
- Views: 6082
- Sun Dec 30, 2012 4:24 pm
- Forum: Combustion Cannons
- Topic: Want build a signal cannon
- Replies: 14
- Views: 6082
Want build a signal cannon
I built my first spud cannon yesterday and I think I have found enough info on here to get me thru that project. What I really want to do is be able to convert what I have into a signal cannon. I have a chamber that is 3548ml. I tried masking tape at the barrel to chamber connection and the boom is ...