Home Made Sawmill Build With Linn Lumber Kit (Step-by-Step Guide)

Let’s dive in!

I remember the first time I tried milling lumber. It was a disaster. I had a dull chainsaw, a rickety jig I’d cobbled together from scrap metal, and absolutely no clue what I was doing. The resulting boards were more like potato chips – warped, uneven, and utterly useless. That experience, while frustrating, ignited a passion for understanding the intricacies of lumber milling. It also taught me the invaluable lesson that proper tools and preparation are paramount. Since then, I’ve spent years honing my skills, experimenting with different techniques, and learning from countless mistakes. Today, I’m excited to share my knowledge and guide you through building your own homemade sawmill using a Linn Lumber kit. This step-by-step guide will cover everything from choosing the right wood to troubleshooting common issues, ensuring you can produce high-quality lumber with confidence.

Home Made Sawmill Build with Linn Lumber Kit (Step-by-Step Guide)

This guide will walk you through the process of building a functional and efficient sawmill using a Linn Lumber kit. We’ll cover everything from unpacking the kit to making your first cut, ensuring you have the knowledge and confidence to succeed.

Understanding the Linn Lumber Kit

Before you even think about turning a wrench, it’s crucial to understand what a Linn Lumber kit is and what it offers. These kits are designed to transform your chainsaw into a portable sawmill, allowing you to mill logs into lumber directly on-site. This is a game-changer for anyone with access to logs, whether you’re clearing land, reclaiming downed trees, or simply looking to save money on lumber.

What’s Included in a Typical Kit

A typical Linn Lumber kit usually includes:

The Mill Frame: This is the core of the system, providing the structure to guide your chainsaw.
Adjustable Clamps: These secure the chainsaw to the frame.
Vertical Posts: These support the frame and allow for vertical adjustment.
Rails or Tracks: These guide the mill along the log.
Hardware: All the necessary nuts, bolts, and screws for assembly.
Instruction Manual: A guide, often with diagrams, for assembling the kit.

Benefits of Using a Kit

Cost-Effective: Milling your own lumber can save you a significant amount of money compared to buying from a lumberyard.
Portability: These kits are designed to be portable, allowing you to mill lumber wherever you have access to logs.
Customization: You can mill lumber to your exact specifications, avoiding standard lumber sizes.
Sustainability: Utilizing fallen or salvaged trees is a sustainable way to source lumber.

Assessing Your Needs

Before purchasing a kit, consider the following:

Log Size: What is the maximum diameter and length of the logs you plan to mill? This will determine the size of the kit you need.
Chainsaw Compatibility: Ensure the kit is compatible with your chainsaw model.
Budget: Linn Lumber kits vary in price depending on size and features.
Experience Level: Some kits are easier to assemble and use than others.

Preparing for the Build

Proper preparation is key to a successful sawmill build. This includes gathering the necessary tools, setting up a suitable workspace, and understanding the safety precautions involved.

Gathering Your Tools

You’ll need the following tools for assembling your Linn Lumber kit:

Wrenches: A set of wrenches that fit the nuts and bolts included in the kit. Metric sizes are common.
Sockets and Ratchet: A socket set with a ratchet will speed up the assembly process.
Screwdrivers: Both Phillips head and flathead screwdrivers.
Adjustable Wrench: Useful for tightening larger bolts.
Measuring Tape: Essential for accurate measurements.
Level: To ensure the mill is level and plumb.
Hammer: For tapping components into place.
Safety Glasses: Protect your eyes from flying debris.
Work Gloves: Protect your hands.
Chain Saw Safety Gear: Helmet, chaps, gloves, and hearing protection

Setting Up Your Workspace

Choose a flat, stable surface for assembling the mill. A concrete slab or a level area of ground will work well. Ensure you have enough space to move around the mill as you assemble it. Good lighting is also essential for safety and accuracy.

Safety Precautions

Read the Manual: Before starting, thoroughly read the instruction manual that comes with your kit.
Wear Safety Gear: Always wear safety glasses, work gloves, and hearing protection.
Disconnect the Chainsaw: When attaching the chainsaw to the mill, ensure it is disconnected from the power source (either unplugged or the battery is removed).
Be Aware of Pinch Points: Be careful of pinch points when assembling the mill.
Get Help: If you’re struggling with a particular step, don’t hesitate to ask for help.

Takeaway: Proper preparation, including gathering the right tools, setting up a safe workspace, and understanding the safety precautions, is essential for a successful and safe sawmill build.

Step-by-Step Assembly Guide

Now, let’s get into the actual assembly process. This section will provide a detailed, step-by-step guide to building your Linn Lumber sawmill. Remember to consult the instruction manual that comes with your specific kit, as there may be slight variations.

Step 1: Unpacking and Inventory

Carefully unpack all the components of the kit and compare them to the parts list in the instruction manual. This will ensure that you have everything you need before you start. Organize the parts into groups to make them easier to find during assembly.

Step 2: Assembling the Mill Frame

The mill frame is the foundation of the sawmill. Typically, this involves connecting the main rails with crossbars and supports.

Connect the Rails: Lay the two main rails on your workspace.
Attach the Crossbars: Using the provided hardware, attach the crossbars to the rails. Ensure the crossbars are evenly spaced and perpendicular to the rails.
Tighten the Bolts: Tighten all the bolts securely, but don’t overtighten them.

Step 3: Attaching the Vertical Posts

The vertical posts support the mill frame and allow for vertical adjustment.

Locate Mounting Points: Identify the mounting points for the vertical posts on the mill frame.
Attach the Posts: Using the provided hardware, attach the vertical posts to the frame.
Ensure Plumb: Use a level to ensure the posts are plumb (perfectly vertical).

Step 4: Installing the Chainsaw Mount

This is a critical step, as it involves securely attaching your chainsaw to the mill frame.

Identify Mounting Points: Locate the mounting points for the chainsaw on the mill frame.
Attach Clamps: Attach the adjustable clamps to the frame.
Secure the Chainsaw: Carefully position the chainsaw in the clamps and tighten them securely. Ensure the chainsaw is properly aligned with the mill frame.
Double-Check: Double-check that the chainsaw is securely attached and cannot move during operation.

Step 5: Attaching the Guide Rails or Tracks

The guide rails or tracks provide a smooth surface for the mill to travel along the log.

Prepare the Rails: Ensure the guide rails are clean and free of debris.
Attach to Log Supports: Attach the guide rails to the log supports. These log supports need to be straight and level. 2×6 lumber works well for this.
Ensure Alignment: Ensure the guide rails are parallel and aligned with the mill frame.

Step 6: Final Adjustments and Testing

Once the mill is fully assembled, make any necessary adjustments to ensure it is level and plumb.

Level the Mill: Use a level to check the mill in all directions. Adjust the vertical posts as needed to level the mill.
Test the Movement: Move the mill along the guide rails to ensure it moves smoothly and without binding.
Check Chainsaw Alignment: Double-check that the chainsaw is still properly aligned with the mill frame.

Takeaway: Follow these steps carefully, consulting your kit’s manual for specific instructions. Accuracy and attention to detail are crucial for a well-built and functional sawmill.

Chainsaw Considerations

Choosing the right chainsaw and properly maintaining it are essential for efficient and safe milling. Not all chainsaws are created equal, and selecting the appropriate model can make a significant difference in your milling experience.

Choosing the Right Chainsaw

Engine Size: For milling, you’ll need a chainsaw with a powerful engine. Look for models with at least 60cc displacement. Larger logs will require even more power.
Bar Length: The bar length should be long enough to cut through the diameter of the logs you plan to mill. A bar that is too short will limit your ability to mill larger logs.
Chain Type: Use a ripping chain specifically designed for milling lumber. Ripping chains have a different tooth geometry than standard chainsaw chains, allowing them to cut more efficiently along the grain of the wood.
Brands: Popular chainsaw brands for milling include Stihl, Husqvarna, and Echo. Research different models and read reviews to find the best option for your needs. I have been using Stihl chainsaws for years. They are powerful and reliable.

Chainsaw Maintenance

Regular chainsaw maintenance is crucial for ensuring optimal performance and extending the life of your saw.

Chain Sharpening: A sharp chain is essential for efficient milling. Sharpen your chain regularly using a chainsaw file or a chain sharpener.
Chain Tension: Check the chain tension before each use. The chain should be snug on the bar but still able to be pulled around by hand.
Bar Lubrication: Ensure the bar is properly lubricated. Use a high-quality bar and chain oil.
Air Filter: Clean the air filter regularly to prevent dirt and debris from entering the engine.
Spark Plug: Check the spark plug periodically and replace it if necessary.
Fuel Mixture: Use the correct fuel mixture (gas and oil) as specified by the chainsaw manufacturer.
Regular Cleaning: Clean the entire chainsaw regularly to remove sawdust and debris.

Modifications for Milling

Some chainsaw modifications can improve its performance for milling.

Dual Port Exhaust: Installing a dual port exhaust can increase the chainsaw’s power output.
Full Wrap Handle: A full wrap handle provides better control and maneuverability.
Larger Oil Tank: A larger oil tank can reduce the frequency of refills during long milling sessions.

Takeaway: Choosing the right chainsaw and maintaining it properly are essential for efficient and safe milling. Invest in a powerful chainsaw with a long bar and a ripping chain, and make sure to perform regular maintenance.

Setting Up the Log

Proper log setup is crucial for achieving accurate and consistent cuts. This involves preparing the log, positioning it correctly, and securing it in place.

Preparing the Log

Debarking: Remove the bark from the log using a drawknife or a debarking tool. This will help to prevent damage to your chainsaw chain and reduce the amount of dirt and debris in your lumber.
Cleaning: Clean the log thoroughly to remove any dirt, rocks, or other debris.
Removing Obstructions: Remove any knots or branches that could interfere with the milling process.

Positioning the Log

Choose a Level Surface: Position the log on a level surface.
Consider Grain Orientation: Consider the grain orientation of the log. The best lumber comes from logs that are milled parallel to the grain.
Minimize Waste: Position the log to minimize waste.

Securing the Log

Log Supports: Use log supports to elevate the log off the ground. This will make it easier to mill and prevent the chainsaw from hitting the ground.
Wedges: Use wedges to stabilize the log and prevent it from rolling.
Chains: Use chains to secure the log to the log supports.
Log Dogs: Log dogs are metal spikes that are driven into the log to prevent it from moving.

Creating a Leveling Cut

Before you can start milling lumber, you need to make a leveling cut to create a flat surface for the mill to ride on.

Use a Leveling Bar: Use a leveling bar to guide the chainsaw and create a flat surface.
Make Multiple Passes: Make multiple passes with the chainsaw to remove any high spots.
Check for Level: Check the surface for level using a level.

Takeaway: Proper log setup is crucial for achieving accurate and consistent cuts. Take the time to prepare the log, position it correctly, and secure it in place before you start milling.

Milling Techniques

Now that your sawmill is assembled, your chainsaw is ready, and your log is properly set up, it’s time to start milling lumber. This section will cover the basic milling techniques you need to know.

Making the First Cut

The first cut is the most important cut, as it establishes the reference surface for all subsequent cuts.

Set the Depth: Set the depth of cut on the mill to the desired thickness of your first board.
Align the Mill: Align the mill with the log, ensuring it is parallel to the grain.
Start the Chainsaw: Start the chainsaw and carefully lower it into the log.
Push the Mill: Push the mill along the log, maintaining a steady pace.
Avoid Forcing: Avoid forcing the mill. If it starts to bind, stop and adjust the depth of cut.
Maintain a Straight Line: Maintain a straight line, following the guide rails.

Subsequent Cuts

Once you’ve made the first cut, you can start milling lumber to your desired dimensions.

Adjust the Depth: Adjust the depth of cut for each subsequent board.
Repeat the Process: Repeat the process of aligning the mill, starting the chainsaw, and pushing the mill along the log.
Maintain Consistency: Maintain consistency in your cuts to produce uniform lumber.

Milling Different Cuts

Live Edge Slabs: To mill live edge slabs, simply adjust the depth of cut to the desired thickness and mill the log without removing the bark.
Dimensional Lumber: To mill dimensional lumber, mill the log into boards of the desired thickness and width.
Beams: To mill beams, mill the log into a large, square or rectangular timber.

Tips for Efficient Milling

Keep the Chain Sharp: A sharp chain is essential for efficient milling. Sharpen your chain regularly.
Use Proper Lubrication: Use a high-quality bar and chain oil to lubricate the chain and bar.
Maintain a Steady Pace: Maintain a steady pace when pushing the mill along the log.
Avoid Overheating: Avoid overheating the chainsaw. Take breaks as needed.
Clear Sawdust: Clear sawdust from the cutting area regularly.

Takeaway: Mastering these milling techniques will allow you to produce high-quality lumber from your own logs. Practice makes perfect, so don’t be discouraged if your first few cuts aren’t perfect.

Understanding Wood

A basic understanding of wood properties and characteristics is essential for successful lumber milling and woodworking. This knowledge will help you choose the right wood for your projects and avoid common pitfalls.

Types of Wood

Hardwood: Hardwoods come from deciduous trees (trees that lose their leaves in the fall). They are generally denser and more durable than softwoods. Examples of hardwoods include oak, maple, cherry, and walnut.
Softwood: Softwoods come from coniferous trees (trees that have needles and cones). They are generally less dense and easier to work with than hardwoods. Examples of softwoods include pine, fir, cedar, and redwood.

Wood Grain

Straight Grain: Wood with straight grain is easy to work with and is less likely to warp or split.
Spiral Grain: Wood with spiral grain is more difficult to work with and is more likely to warp or split.
Interlocked Grain: Wood with interlocked grain is very strong but is also difficult to work with.

Wood Defects

Knots: Knots are caused by branches that were embedded in the tree. They can weaken the wood and make it more difficult to work with.
Checks: Checks are cracks in the wood that are caused by drying.
Splits: Splits are cracks in the wood that run all the way through the piece.
Warping: Warping is the distortion of the wood due to uneven drying.

Moisture Content

Green Wood: Green wood is freshly cut wood that has a high moisture content.
Air-Dried Wood: Air-dried wood has been allowed to dry naturally in the air.
Kiln-Dried Wood: Kiln-dried wood has been dried in a kiln to a specific moisture content.

Takeaway: Understanding wood properties and characteristics will help you choose the right wood for your projects and avoid common pitfalls.

Drying and Storing Lumber

Properly drying and storing your lumber is crucial for preventing warping, cracking, and decay. This section will cover the basics of air-drying and kiln-drying lumber.

Air-Drying Lumber

Air-drying is the most common method of drying lumber. It is a slow process, but it is also the most gentle on the wood.

Stacking the Lumber: Stack the lumber on stickers (small pieces of wood) to allow air to circulate around each board.
Elevating the Stack: Elevate the stack off the ground to prevent moisture from wicking up into the wood.
Protecting the Stack: Protect the stack from rain and sun.
Allowing Time to Dry: Allow the lumber to dry for several months or even years, depending on the species of wood and the climate.

Kiln-Drying Lumber

Kiln-drying is a faster method of drying lumber. It involves placing the lumber in a kiln and controlling the temperature and humidity.

Professional Kiln Drying: Kiln-drying is best left to professionals, as it requires specialized equipment and knowledge.
Benefits of Kiln Drying: Kiln-drying can dry lumber to a very low moisture content, which makes it more stable and less likely to warp or crack.

Storing Dried Lumber

Once the lumber is dry, it needs to be stored properly to prevent it from reabsorbing moisture.

Store in a Dry Place: Store the lumber in a dry place, such as a garage or shed.
Protect from Moisture: Protect the lumber from moisture, such as rain and snow.
Stack Properly: Stack the lumber properly to allow air to circulate around each board.

Takeaway: Properly drying and storing your lumber is crucial for preventing warping, cracking, and decay. Whether you choose to air-dry or kiln-dry your lumber, make sure to follow the proper procedures.

Safety First

Safety should always be your top priority when working with chainsaws and sawmills. This section will cover the essential safety precautions you need to take.

Personal Protective Equipment (PPE)

Safety Glasses: Always wear safety glasses to protect your eyes from flying debris.
Hearing Protection: Wear hearing protection to protect your ears from the loud noise of the chainsaw.
Work Gloves: Wear work gloves to protect your hands from cuts and abrasions.
Chainsaw Chaps: Wear chainsaw chaps to protect your legs from chainsaw cuts.
Steel-Toed Boots: Wear steel-toed boots to protect your feet from falling logs and other hazards.
Helmet: Wear a helmet to protect your head from falling objects.

Chainsaw Safety

Read the Manual: Read the chainsaw manual carefully before using the chainsaw.
Inspect the Chainsaw: Inspect the chainsaw before each use to ensure it is in good working condition.
Start the Chainsaw Safely: Start the chainsaw on the ground, with the chain brake engaged.
Maintain a Firm Grip: Maintain a firm grip on the chainsaw with both hands.
Keep a Safe Distance: Keep a safe distance from other people when operating the chainsaw.
Be Aware of Kickback: Be aware of the risk of kickback and take steps to prevent it.
Never Cut Above Your Head: Never cut above your head.
Never Use a Dull Chain: Never use a dull chain.
Turn Off the Chainsaw: Turn off the chainsaw when you are not using it.

Sawmill Safety

Keep the Area Clear: Keep the area around the sawmill clear of obstructions.
Wear Proper PPE: Wear proper PPE when operating the sawmill.
Be Aware of Pinch Points: Be aware of pinch points and take steps to avoid them.
Never Leave the Sawmill Unattended: Never leave the sawmill unattended while it is running.
Turn Off the Sawmill: Turn off the sawmill when you are not using it.

Takeaway: Safety should always be your top priority when working with chainsaws and sawmills. Wear proper PPE, follow the safety guidelines, and be aware of the risks involved.

Troubleshooting Common Issues

Even with careful planning and execution, you may encounter some common issues when building and using your homemade sawmill. This section will cover some of the most common problems and how to troubleshoot them.

Chainsaw Won’t Start

Check the Fuel: Make sure there is fuel in the tank and that it is the correct fuel mixture.
Check the Spark Plug: Check the spark plug to see if it is fouled or damaged.
Check the Air Filter: Check the air filter to see if it is clogged.
Check the Carburetor: The carburetor may need to be cleaned or adjusted.

Chainsaw Cuts Unevenly

Check the Chain: Make sure the chain is sharp and properly tensioned.
Check the Bar: Make sure the bar is straight and not damaged.
Check the Mill: Make sure the mill is properly aligned and level.

Lumber Warps or Cracks

Dry Lumber Properly: Make sure the lumber is dried properly to prevent warping and cracking.
Store Lumber Properly: Store the lumber properly to prevent it from reabsorbing moisture.
Choose the Right Wood: Choose the right wood for your project, considering its moisture content and grain orientation.

Mill Vibrates Excessively

Check the Bolts: Make sure all the bolts are tightened securely.
Check the Alignment: Make sure the mill is properly aligned and level.
Check the Log: Make sure the log is properly secured and stable.

Mill Moves Erratically

Check the Rails: Make sure the rails are clean and free of debris.
Check the Wheels: Make sure the wheels are properly lubricated and in good condition.
Check the Log Supports: Make sure the log supports are straight and level.

Takeaway: Troubleshooting common issues is an important part of building and using your homemade sawmill. By understanding the potential problems and their solutions, you can keep your sawmill running smoothly and efficiently.

Conclusion: The Rewards of Homemade Lumber

Building your own sawmill with a Linn Lumber kit is a challenging but rewarding project. It requires patience, attention to detail, and a willingness to learn. However, the ability to mill your own lumber is a valuable skill that can save you money, provide you with a sustainable source of wood, and allow you to create custom pieces for your woodworking projects.

I remember the feeling of accomplishment when I finally milled my first usable board. It wasn’t perfect, but it was mine. And it was the beginning of a journey that has led me to build furniture, fences, and even a small cabin using lumber that I milled myself.

With this guide, I hope I’ve provided you with the knowledge and confidence to embark on your own lumber milling adventure. Remember to prioritize safety, take your time, and don’t be afraid to experiment. The rewards of homemade lumber are well worth the effort. Good luck, and happy milling!