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Step 9Construction 3 - fuel holes.
Now it's time to build the fuel delivery system. The basic idea is to evenly distribute the fuel within the tube.
First - Determine the location(s) where fuel will enter the ducting. I recommend using what will be the "back" of the tube - this is simply a right angle from the line of holes on the top. Additionally, depending upon whether or not you choose to have fuel delivered at more than one location, a bit of advance planning should go into where these locations are.
In my case, I chose two locations - at distances half way out from the center hole and the first and last hole. It's also worth noting, again in retrospect, that one point for fuel delivery would probably work equally as well, so long as this location is centered.
Second - As in the prior step, tap your marked location with a nail, and drill a hole large enough for your hose splicer to fit. In my first attempt, I didn't use hose splicers, but rather 1/4 copper tubing. Using hose splicers will make hooking everything up much easier, and I highly recommend it.
Third - Using a utility knife, nail, or other sharp object, lightly score the ducting around the hole, or holes. This should allow for the epoxy to create a more secure bond.
Fourth - Install the hose splicer(s) in the hole(s). Mix up some epoxy putty, and apply liberally. You'll want to create both an airtight and secure bond.
First - Determine the location(s) where fuel will enter the ducting. I recommend using what will be the "back" of the tube - this is simply a right angle from the line of holes on the top. Additionally, depending upon whether or not you choose to have fuel delivered at more than one location, a bit of advance planning should go into where these locations are.
In my case, I chose two locations - at distances half way out from the center hole and the first and last hole. It's also worth noting, again in retrospect, that one point for fuel delivery would probably work equally as well, so long as this location is centered.
Second - As in the prior step, tap your marked location with a nail, and drill a hole large enough for your hose splicer to fit. In my first attempt, I didn't use hose splicers, but rather 1/4 copper tubing. Using hose splicers will make hooking everything up much easier, and I highly recommend it.
Third - Using a utility knife, nail, or other sharp object, lightly score the ducting around the hole, or holes. This should allow for the epoxy to create a more secure bond.
Fourth - Install the hose splicer(s) in the hole(s). Mix up some epoxy putty, and apply liberally. You'll want to create both an airtight and secure bond.
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He mentions that he made holes with half inch increment (i think thats the difference between the first hole and the last one (?)) to get an even sized flame..