Root Ventures
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Root Ventures

So you want a flamethrower

Elon Musk’s the Boring Company recently went viral selling a flamethrower for $500. This was exciting news — as a lifelong pyro (I have channeled my pyromania into making soy candles and baking, because, you know, adulthood), an affordable flamethrower is something I’ve always kept an eye out for. And $500 is groundbreaking pricing.

The Boring Company “flamethrower” ad

When I saw the actual ad, I was disappointed. Not only is the Boring Co “flamethrower” (BCF) not an actual flamethrower, it is about 400% more expensive than it should be.

See, the BCF is actually a mundane gardening torch (useful for clearing stubborn weeds without bending your back) inside a toy gun, sold as a “flamethrower”. While it looks like Boring Co invested in some custom injection molds for the BCF, it’s almost certainly the same OEM as the CSI S.T.A.R. XR-5 FG-1508 Advanced Bottle Rifle toy. And the “flamethrower” part of the BCF can be purchased on Amazon for $40–60 by searching for “gardening torch”.

Gardening torch stock photos

Let’s take a step back: what is a flamethrower? How is it different than a torch, and why does it matter?

Fundamentally a flamethrower has to, well, throw flame. It does this by

  1. igniting a fuel and
  2. shooting the burning fuel with an inert propellant gas such as carbon dioxide or nitrogen

In contrast, a torch only lights fuel and can only effectively burn whatever is immediately near it, like a pesky weed.

The excellent X15 flamethrower by throwflame.com, next to the BCF torch — huge difference in range. Also, horrible trigger discipline and personal protective equipment discipline in the Boring Co pic…

A true flamethrower such as the excellent X15 has two tanks: a fuel and a propellant tank. The BCF has a tiny fuel tank (good for a few seconds of fire), and no propellant tank. Effectively, it’s a big lighter.

Left: real flamethrower with fuel and propellant tanks; Right: the BCF torch with a tiny tank

In fact, torches are so common that we realized we had a dusty one in the Root Ventures office we once used to light a pizza oven and kill some weeds. I’ve mapped the main parts of this torch to the BCF.

BCF moved some valves around to fit inside the toy gun, but it’s just a garden torch.

So what should you do if you want a flamethrower? If you want an actual flamethrower, the X15 is your best bet. It can use commercially available CO2 as a propellant. If you want a BCF? Buy a gardening torch and have a ton of cash left over.

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Root Ventures is a $325M seed stage venture capital firm based in San Francisco. We invest in technical teams at the earliest stages, focusing on founders building products at the frontier of technology and founders building the tools to make it all possible. Learn more at https:

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