5/18/2023 0 Comments Prepo camp stove fuelGasses like propane require much heavier canisters and fittings because propane has a much higher vapor pressure. Butane is a fairly easy gas to work with in that it has a fairly moderate vapor pressure. These canisters all contained 100% butane. The canister I'm showing here is an Optimus 702 canister which was intended for the Optimus 731 "Mousetrap" stove. The canisters of the type used by a Hank Roberts stove were used by a variety of stoves back in the day. The "rosebud" on a canister of the type used by a Hank Roberts stove. There were were some minor variations among the various brands, but most had a rubber fitting typically referred to as a "rosebud" that looked something like this: This particular canister is an Optimus 702 canister.Ĭanisters of this type were marketed under a variety of brands including Optimus, Hank Roberts, Prepo, Thermos, and Coleman. Today, I thought I'd go fully retro and show you how to use one of the original type canisters.Ī canister of the type used by a Hank Roberts stove. When assembled, the stove looks something like this:Ī few months ago, I published a blog post on how to use the Hank Roberts stove with an adapter that will allow you to use a modern threaded gas canister. The burner then screws in place over the top and holds the wind screen/pot stand in place. The bottom half of the clamshell slips over the wider shorter threads (silver colored) to form a windshield/pot stand. The smaller, longer threaded piece (dark colored) seen above screws into the top half of the clamshell, forming a stand. I've added a couple of napkins to prevent rattling, but the napkins are not strictly necessary. Inside the "clamshell" is the burner head and the valve assembly.Ĭleverly tucked inside is a burner and valve assembly. Now, if we were to separate the two halves of the "clamshell" that forms the stove, what might we find inside? The stove was made by EFI and marketed under a variety of names, the most well known of which were probably the Hank Roberts stove and the Gerry stove. The stove was designed in the late 1960's - the late 1960's for crying out loud - but still has a loyal following today. I typically carry mine in a Ziploc sandwich bag, and it really does fit in my shirt pocket. It's compact design truly makes it a pocket stove. What's one of the most enduring designs of gas stoves? The Hank Roberts mini stove.
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