Ignitor for Mole killing

[DeereDoc]

Need help with an ignitor idea for a Mole killing project.

I made one with a spark plug attached via 15 feet of wire to a cattle prod. Seemed to spark pretty good but would not touch off the oxy-propane mixture I had pumped into the tunnels.

I was using 5psi propane and 30psi oxygen so maybe that mix was the problem? Maybe I didn't pump it in long enough - I only did about 20 seconds on these first few attempts.

First tried a bbq ignitor but it wouldn't spark as reliably.

 

[Diggin It]

Yet another 'Hey Bubba, watch this, and hold my beer' moment coming up.

 

[Jstpssng]

You need to call Bill Murray, the expert on impromptu rodent extermination.

 

[Diggin It]

By the way, did you know that he and Chevy Chase were never on set together? All of their scenes were shot separately.

 

[Jstpssng]

^^^^
I'm not surprised, they both seemed like Prima Donalds.

 

[RNeumann]

You need to perfect your mixture and time under a cardboard box or something similar. If you have spark but no bang the mix is either too lean or too rich....likely lean since you are adding O2.

 

[rgr33]

I have a gophinator, and that is the gas mixture recommended by the manufacturer.
I do pump in the mix for 45 to 60 seconds though.

I don’t know if you are concerned about this, but I never use it after the grass turns brown, due to fire danger out in the fields.

 

[dfkrug]

I experimented a number of years ago with a "Varmint-Gitter", very similar to the "Rodenator" product. These are both Oxy-Propane tools to blow up underground burrows. When you get the mix just right, they work great. Getting the fuel-oxy ratio right takes a bunch of practice, we found out.

Also, finding the air hole and using it or blocking it is key to success. Around here, some folks contract out their services with these tools, esp for vineyards, which get devastated by gophers.

 

[DeereDoc]

Thanks all. The ignitor, in the end, is not the problem. I made the mix more rich at about 6psi propane and 25psi and am getting much better concussion. Still needs perfected though.

 

[Alan W.]

Come on at least post a video. Everybody enjoys a good explosion especially if a varmint gets killed in the process.