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Tobacco Pipe “big Bore” Mod

Introduction: Tobacco Pipe “big Bore” Mod

Apparantly, many tobacco pipes come with an undersized draft hole, and this means hot smoke, burnt mouth and, most of all, trouble keeping it lit. This is especially a problem for new pipe smokers (like myself).

When last smoked this pipe I had to relight 10 times at least to get through a bowl – after this mod, I smoked a bowl today with just 1 relight!

The draft hole should be bored out to a minimum of 5/32″ all the way. The hole in this pipe was only 1/8″ diameter in the bowl and a puny 3/32″ in the stem. It whistled while smoking – not anymore!

Note: A disclaimer to those opposed to smoking. I too am opposed to smoking – but I reserve my opposition to cigarettes. A disgusting habit, and guaranteed deadly. Nevermind the awful smell!

So please do not rant here about how much you dislike smoking. Pipe smoking has been proven to carry a very low risk compared to cigarette smoking. Some studies have found pipe smokers to live longer than non-smokers.

Note 2: A pipe smoker should never inhale! Doing so is a serious health risk!

Step 1: Tools

These are the drill sizes you will need. I wouldn’t drill much larger than 11/64″ unless you have a huge pipe!

Note how there is no drill motor here. That’s because you’re doing this by hand. This is fine work and doesn’t require much power.

In all I probably took 45 minutes to do this mod, but it was the first time and I was being very cautious.

Step 2: Drilling Out the Bowl

I took the bowl hole up to 11/64″ in 2 steps (9/64″ and 11/64″)

Just twist the bit in gently by hand. There’s no need to use big muscles here.

Be careful that the bit follows the draft hole exactly or you could mess up your bowl pretty bad!

Step 3: Drilling Out the Stem

This is the hard and slow part, drilling the vulcanite stem. I only went to 5/32″ for fear of cracking, though I wanted 11/64″. Step up very slowly using the smallest bit that will remove any material. I had to use all these bits.

Remove the bit regularly and clear the swarf, which somehow comes out in copious quantities.

I would recommend working from both ends instead of fighting all the way through. Before each new bit, make sure there is enough clearance that the bit won’t go through the side.

I was very careful and still almost cracked the stem as in the second pic. Fortunately that is just a bulge with external splitting, not a crack – it is still airtight. Whew!

Wash the stem out well afterwards with running water. It will be full of vulcanite dust, which you probably don’t want to eat.

Step 4: Enjoy a Better Smoke

Yes I know I’m not actually smoking in this pic. That’s because I had just smoked a test bowl and it worked great! Only one relight and way cooler smoke, much better flavor.

You probably shouldn’t try this on a prize pipe due to the risk of damage (at least not before some practice). But if you have a crummy pipe that smokes poorly, why not try it?

Note: this crummy pipe is also my only pipe. However, the risk was worth it to me, since the thing didn’t smoke worth a damn!

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Tobacco Pipe "big Bore" Mod: Apparantly, many tobacco pipes come with an undersized draft hole, and this means hot smoke, burnt mouth and, most of all, trouble keeping it lit. This is especially a problem for new pipe smokers (like myself).When last smoked this pipe I had to re…