6 Best Double Burner Forges For Knife Making

There is nothing quite like the satisfaction of forging a custom tool or blade right in your own barn workshop after a long day of tending to the fields. Investing in a reliable double burner forge transforms raw scrap steel into functional farm implements, saving money and increasing self-sufficiency. Selecting the right equipment requires balancing fuel efficiency with the thermal mass necessary to move metal effectively.

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Hell’s Forge Devil-Smithy: Top Beginner’s Pick

The Hell’s Forge Devil-Smithy stands out as the quintessential starting point for those transitioning from basic shop projects to serious knife making. Its insulated design maintains heat efficiently, allowing for consistent results even when the ambient temperature in an unheated barn drops significantly. The firebrick floor provides a durable surface that handles accidental strikes without disintegrating prematurely.

This model prioritizes ease of use, featuring pre-assembled components that get a forge up and running in minutes rather than hours. The inclusion of high-quality ceramic fiber insulation wrapped in a sturdy steel shell ensures that heat stays where it belongs—on the steel. It is the most reliable entry-level forge for someone who wants to spend their time hammering metal instead of troubleshooting equipment.

For the hobby farmer who values a “plug and play” setup, this forge is the clear winner. It removes the guesswork from initial setup and provides enough volume to handle larger blades or multiple small items at once. If the goal is a straightforward, no-nonsense path into smithing, look no further than this unit.

Mr. Volcano Hero 2: Most Efficient Gas Forge

The Mr. Volcano Hero 2 is engineered specifically for those who count every cent of their propane expenditure. Its design focuses on internal heat retention, which means the burners don’t have to run at maximum capacity to reach forging temperatures. This efficiency makes it a top choice for extended work sessions on long, cold winter evenings.

Beyond mere gas savings, this forge delivers a highly uniform heat zone. The placement of the burners creates a vortex effect that swirls heat around the workpiece, reducing the risk of uneven scaling or cold spots. This is critical for high-carbon steel work, where temperature control is the difference between a functional blade and a ruined piece of stock.

Choosing the Hero 2 is a decision to prioritize operating costs without sacrificing professional-level performance. It is ideal for the farmer who treats shop time as a regular chore rather than a weekend hobby. For sustained, economical operation, this forge is arguably the smartest investment on the list.

Simond Store USA: The Best Value Double Burner

Finding a balance between quality and cost is a perpetual challenge in farm equipment, and the Simond Store USA double burner manages this bridge exceptionally well. It offers a spacious interior that accommodates long blades or multiple tools simultaneously, which is a major advantage during repetitive projects. The build quality feels substantial, lacking the “tinny” vibration often found in cheaper alternatives.

The inclusion of high-grade refractory materials inside the chamber adds significant value, as it protects the insulation from flux damage during forge welding. While other entry-level models might require immediate aftermarket upgrades, this unit arrives ready for demanding tasks. It respects the budget without forcing the user to settle for disposable, short-term equipment.

This forge is for the practical farmer who demands high utility but isn’t interested in paying for unnecessary aesthetic flair. It is a workhorse that does exactly what it is advertised to do: reach temperature, hold it, and keep working. If the workshop budget is tight but the production goals are high, this is the logical choice.

Vevor Double Burner: Top Budget-Friendly Option

The Vevor double burner is the go-to solution for those who need to get started on a shoestring budget. While it may lack some of the premium insulation thickness found in more expensive models, it remains a fully capable entry point for small-scale projects. The design is compact and lightweight, making it easy to tuck away on a shelf when the bench space is needed for engine repairs or woodworking.

It is essential to understand that budget models require a bit more attention to maintenance and lining care. However, for a hobbyist who only fires up the forge once or twice a month for minor tasks, this trade-off is often perfectly acceptable. It allows for the acquisition of essential skill sets without tying up capital that could be better spent on steel or anvils.

This unit is perfect for the occasional smith. If the forge is only going to see light, intermittent use, the Vevor offers excellent utility at a price that leaves room for buying essential tongs and hammers. It is not designed for daily industrial-scale abuse, but for the hobbyist, it is more than sufficient.

Cimtex Blacksmith Forge: Reliable and Versatile

When versatility is the main objective, the Cimtex Blacksmith Forge offers a design that adapts to various project sizes. The ability to control the two burners independently allows for precise heating zones, which is a significant advantage when tapering long tools or performing heat treatment on specific segments of a blade. This granular control is what separates a basic hobbyist from a capable practitioner.

The construction of the Cimtex emphasizes structural integrity, utilizing thicker gauge steel that holds up well under the inevitable bumps and scrapes of a busy barn shop. It provides a stable base that won’t shift or wobble during aggressive hammering. Its reputation for durability makes it a preferred choice for those who value gear that will outlast the current project cycle.

For the craftsman who intends to grow their skills and explore different forging techniques, the Cimtex is a solid middle-ground choice. It provides the flexibility to tackle everything from small knife blades to larger decorative farm hardware. It is an investment in capability.

Majestic Forge Knifemaker: Pro-Level Durability

For the serious hobbyist who demands the best, the Majestic Forge Knifemaker provides professional-grade results. Every component, from the burner ports to the insulation density, is designed for high-heat retention and extreme durability. This is a forge built for those who find themselves at the anvil for hours at a time, day after day.

The primary advantage here is thermal mass and build quality. The insulation is thick and exceptionally well-cured, leading to faster heat-up times and lower fuel consumption during long forging sessions. It is a heavy-duty tool that functions more like an industrial shop piece than a backyard toy.

If the goal is to master the craft of knifemaking with equipment that won’t become a bottleneck, the Majestic is the definitive answer. It is the last forge a hobby farmer will need to purchase, assuming proper maintenance. While the upfront cost is higher, the long-term return on investment in terms of performance and reliability is unmatched.

Choosing Your First Forge: A Buyer’s Guide

Selecting a forge is not merely about finding the lowest price; it is about matching the equipment to the specific workload. A double burner is a versatile choice, providing ample space for long items like swords or large farm tools, yet it remains manageable for smaller tasks. Consider the following factors before making a purchase:

• Insulation Type: Ceramic wool is standard, but check if the forge includes a rigidizer or refractory cement to protect the lining from flux.
• Burner Efficiency: Look for venturi-style burners that provide a consistent, non-oxidizing flame, as this is vital for preventing steel burnout.
• Portability: If the workshop space is shared with other farm equipment, consider the weight and footprint of the unit.
• Fuel Requirements: Ensure the regulator provided is compatible with the standard propane tanks available at the local hardware store.

Do not overlook the importance of the forge floor. Some models arrive with a soft floor that will erode quickly under heavy use, while others feature a hard firebrick base. Investing in a unit with a replaceable, durable floor will save considerable maintenance work down the line.

Essential Forge Safety and Proper PPE Setup

Forging involves extreme temperatures and moving heavy, hot steel, so safety must be the foundation of any workshop. Never operate a forge in an enclosed space without proper industrial-grade ventilation. Propane combustion produces carbon monoxide, which is odorless and deadly; always position the forge under a high-capacity hood or in an area with constant, significant cross-ventilation.

Personal Protective Equipment (PPE) is non-negotiable. Wear flame-resistant clothing, preferably cotton or wool, as synthetic fabrics will melt to the skin if hit by sparks. High-top leather boots are essential to protect the feet from falling scale or hot steel, and a dedicated pair of heavy-duty safety glasses or a face shield should be worn to protect against infrared radiation and debris.

Keep a fire extinguisher rated for chemical and electrical fires within reach at all times. Additionally, maintain a clear workspace free of flammable debris like straw, hay, or fuel containers. An organized shop reduces the risk of accidents significantly, and a clear path of movement is essential when carrying hot metal from the forge to the anvil.

How to Cure Your Forge’s Refractory Lining

A new ceramic fiber lining is porous and fragile; if it is not cured correctly, it will crumble and release harmful fibers into the air. Curing is the process of heating the lining slowly to harden the refractory coating. Start by firing the forge at a very low setting for about 10 minutes to drive off moisture, then incrementally increase the temperature over the next hour.

Follow the manufacturer’s instructions regarding the specific curing curve, as this varies depending on the type of refractory cement used. A properly cured lining becomes a hard, heat-reflective shell that protects the insulation and significantly improves forge efficiency. It also prevents the fibers from becoming airborne, which is a major respiratory health concern.

Once the lining is fully cured, allow it to cool slowly and completely. Do not rush this process, as thermal shock can cause the coating to crack prematurely. A well-cured forge will last for years of regular service, whereas a poorly cured one will require constant patching and repair.

Maintaining Your Forge for Long-Lasting Use

Maintenance is the key to longevity in any farming equipment, and a forge is no exception. Regularly inspect the burners for debris or blockage, as insects often nest in idle burner tubes during the off-season. A clean burner tip ensures a consistent fuel-air mix and prevents the forge from “popping” or losing heat during operation.

Keep the internal chamber clean of slag and flux residue. Borax and other fluxes used in forge welding will eventually eat through even the best refractory linings if allowed to pool and harden. Scrape the floor periodically with a dedicated tool, and patch any small cracks in the coating with a high-temperature refractory repair putty before they grow into larger failures.

Finally, keep the steel exterior dry and free of rust. If the forge is stored in an unconditioned barn or shed, consider covering it with a canvas tarp to prevent moisture buildup on the metal components. A well-maintained forge is a dependable partner that will reliably turn scrap into the tools required to keep the farm running smoothly.

By selecting the right forge and prioritizing maintenance and safety, you create a workshop that serves as a permanent asset for your farm. Whether crafting custom knives or repairing essential implements, these tools offer a path toward greater self-reliance and creative fulfillment. Steady, informed choices today ensure that the forge will be ready for the many projects waiting down the road.