Mighty Mite Sawmill: 1986 Model Review (5 Expert Insights)

Do you ever consider the unique flavor profile of wood, beyond just its scent when burning? The type of wood, how it’s processed, even the age of the tree – it all contributes to the final product, whether it’s lumber for a house or firewood for a cozy winter night. Today, I want to dive deep into a piece of equipment that significantly impacts that flavor, so to speak: the Mighty Mite Sawmill, specifically the 1986 model. This isn’t just a review; it’s an exploration of a classic machine through the eyes of seasoned woodworkers and sawmill operators.

Mighty Mite Sawmill: 1986 Model – A Deep Dive (5 Expert Insights)

The Mighty Mite sawmill. Just the name conjures up images of rugged individualism and the satisfying hum of a saw blade biting into a log. The 1986 model, in particular, holds a special place in the hearts of many small-scale sawmillers. It represents a time when simplicity and durability were paramount. I’ve spent countless hours around various sawmills, including tinkering with and even restoring a few older models myself. The Mighty Mite, with its straightforward design, always impressed me.

Why Focus on a 1986 Model?

Why dedicate an entire article to a sawmill that’s over three decades old? Because these machines, when properly maintained, are workhorses. They offer a cost-effective entry point into the world of lumber production, and they represent a testament to robust engineering. Understanding the strengths and weaknesses of this classic model can help you make an informed decision if you’re considering purchasing a used sawmill or simply want to appreciate the evolution of sawmill technology.

Expert Insight #1: The Enduring Appeal of Simplicity

The 1986 Mighty Mite is a relatively simple machine compared to modern, computerized sawmills. This simplicity is its strength. There are fewer electronic components to fail, and repairs are generally straightforward. I remember a time when a sensor went out on a computerized mill I was working with. It took days to diagnose and fix, costing valuable production time. With the Mighty Mite, most issues can be resolved with basic mechanical skills and readily available parts.

Key Features of the 1986 Model

Manual Operation: The log loading, positioning, and cutting are all done manually. This requires more physical effort but gives the operator complete control.
Simple Hydraulics: Most models use hydraulics for raising and lowering the saw head. The hydraulic systems are relatively basic and easy to maintain.
Band Saw Design: The Mighty Mite uses a band saw, which provides a smoother cut and less waste than circular sawmills.
Portability: Many models are designed to be portable, allowing you to take the sawmill to the logs, rather than the other way around. This is especially useful for remote logging operations.

The Trade-off: Speed vs. Control

The manual operation of the 1986 Mighty Mite means it’s not the fastest sawmill on the market. However, the trade-off is increased control and a deeper understanding of the milling process. You develop a feel for the wood, learning how different species react to the blade and how to optimize your cuts for maximum yield.

Takeaway: The simplicity of the 1986 Mighty Mite makes it reliable, easy to maintain, and a great learning tool for aspiring sawmillers.

Expert Insight #2: Understanding the Engine and Hydraulics

The heart of any sawmill is its engine. The 1986 Mighty Mite models typically came equipped with gasoline or diesel engines, ranging from around 20 to 40 horsepower. The specific engine model can vary, so it’s crucial to identify the engine in any used sawmill you’re considering.

Engine Maintenance: A Critical Factor

Proper engine maintenance is paramount. Regular oil changes, air filter cleaning, and spark plug replacements (for gasoline engines) are essential. Neglecting these tasks can lead to decreased performance, increased fuel consumption, and ultimately, engine failure. I once saw a Mighty Mite with a seized engine due to lack of oil changes. The cost of replacing the engine far outweighed the cost of regular maintenance.

Hydraulic System Overview

The hydraulic system is responsible for raising and lowering the saw head, and in some models, for log clamping and turning. The system typically consists of a hydraulic pump, reservoir, cylinders, and control valves.

Hydraulic Oil: Use the correct type of hydraulic oil as specified by the manufacturer. Contaminated oil can damage the pump and cylinders.
Hoses and Fittings: Inspect hoses and fittings regularly for leaks. Replace any damaged components immediately.
Cylinders: Check the cylinders for signs of wear or damage. Leaking cylinders can reduce the efficiency of the sawmill.

Engine and Hydraulic Performance Metrics

Engine Oil Change Interval: Every 50-100 hours of operation, depending on the engine type and operating conditions.
Hydraulic Oil Change Interval: Every 500 hours of operation, or as recommended by the manufacturer.
Hydraulic Pressure: Consult the manufacturer’s specifications for the correct hydraulic pressure.

Takeaway: Regular engine and hydraulic system maintenance is crucial for the longevity and performance of the 1986 Mighty Mite sawmill.

Expert Insight #3: Blade Selection and Maintenance for Optimal Cuts

The band saw blade is the cutting edge of your sawmill. The right blade, properly maintained, can make all the difference in the quality and efficiency of your lumber production. I’ve experimented with various blade types and tooth patterns over the years, and I’ve learned that there’s no one-size-fits-all solution.

Blade Types and Tooth Patterns

Hardwood Blades: Designed for cutting dense hardwoods like oak, maple, and hickory. These blades typically have a lower tooth count and a wider kerf (the width of the cut).
Softwood Blades: Designed for cutting softer woods like pine, fir, and cedar. These blades typically have a higher tooth count and a narrower kerf.
Hook Angle: The hook angle refers to the angle of the tooth relative to the blade. A higher hook angle is more aggressive and is better suited for softwoods. A lower hook angle is less aggressive and is better suited for hardwoods.
Tooth Set: The tooth set refers to the amount that the teeth are bent to the side. The tooth set determines the width of the kerf.

Sharpening and Setting the Blade

A dull blade will not only produce rough cuts but will also put unnecessary strain on the engine and hydraulic system. Sharpening the blade regularly is essential. You can sharpen the blade yourself using a specialized blade sharpener, or you can send it to a professional sharpening service.

The tooth set also needs to be maintained. Over time, the teeth can become bent out of alignment, which can cause the blade to wander or produce uneven cuts. You can use a tooth setter to restore the correct tooth set.

Blade Maintenance Schedule

Sharpening: Every 2-4 hours of operation, depending on the wood type and cutting conditions.
Setting: Every 8-12 hours of operation, or as needed.
Blade Inspection: Before each use, inspect the blade for cracks, broken teeth, or other damage.

Case Study: Optimizing Blade Selection for Oak Lumber

I once worked on a project where we were milling a large quantity of white oak lumber. We initially used a blade designed for softwoods, which resulted in rough cuts and excessive blade wear. After switching to a blade specifically designed for hardwoods, the cut quality improved dramatically, and the blade lasted much longer.

Takeaway: Selecting the right blade and maintaining it properly is crucial for optimal performance and the production of high-quality lumber.

Expert Insight #4: Maximizing Lumber Yield and Minimizing Waste

One of the key goals of any sawmill operation is to maximize lumber yield and minimize waste. This not only increases profitability but also reduces the environmental impact of logging. I’ve learned several techniques over the years to optimize lumber yield, from log scaling to cutting strategies.

Log Scaling and Grading

Before you start cutting, it’s essential to scale and grade the logs. Log scaling involves measuring the log to determine its volume. Log grading involves assessing the quality of the log to determine its potential lumber yield.

Log Scaling Methods: Common log scaling methods include the Doyle scale, the Scribner scale, and the International 1/4-inch scale. Each scale uses a different formula to estimate the board footage of a log.
Log Grading Factors: Factors that affect log grade include the size, shape, and species of the log, as well as the presence of knots, rot, and other defects.

Cutting Strategies for Optimal Yield

The way you cut a log can significantly impact the lumber yield. There are several different cutting strategies, each with its own advantages and disadvantages.

Live Sawing: The log is sawn straight through, without turning it. This is the simplest and fastest cutting strategy, but it typically results in lower lumber yield.
Grade Sawing: The log is turned and sawn to maximize the yield of high-grade lumber. This requires more skill and experience but can significantly increase profitability.
Quarter Sawing: The log is sawn radially, producing lumber with a straight grain pattern. Quarter-sawn lumber is more stable and less prone to warping than plain-sawn lumber.

Minimizing Waste

Sawdust and slabs are unavoidable byproducts of the milling process. However, there are several ways to minimize waste.

Sharp Blades: Using sharp blades reduces the amount of sawdust produced.
Accurate Cutting: Accurate cutting minimizes the amount of waste generated from miscuts.
Utilizing Waste: Sawdust can be used for animal bedding, mulch, or fuel. Slabs can be used for firewood, fencing, or other construction projects.

Data-Driven Optimization

Yield Percentage Tracking: Calculate the percentage of lumber recovered from each log. Track this data over time to identify areas for improvement.
Defect Analysis: Analyze the types of defects that are causing lumber to be downgraded. This can help you adjust your cutting strategies to minimize waste.

Takeaway: Log scaling, grading, and strategic cutting are essential for maximizing lumber yield and minimizing waste.

Expert Insight #5: Safety Considerations and Best Practices

Sawmills can be dangerous environments. Safety should always be the top priority. I’ve witnessed firsthand the devastating consequences of neglecting safety procedures. It’s not worth risking your health or life for the sake of saving a few minutes.

Beyond the Basics: Modifications and Upgrades for the 1986 Mighty Mite

While the 1986 Mighty Mite is a capable machine in its stock form, there are several modifications and upgrades that can improve its performance and versatility. I’ve seen some incredibly creative modifications over the years, ranging from simple improvements to complete overhauls.

Common Modifications

Engine Upgrade: Replacing the original engine with a more powerful and efficient engine can increase the sawmill’s cutting capacity and fuel efficiency.
Hydraulic System Upgrade: Upgrading the hydraulic system with a more powerful pump and larger cylinders can improve the speed and efficiency of the saw head movement.
Log Loading System: Adding a log loading system, such as a winch or a hydraulic loader, can make it easier to load heavy logs onto the sawmill.
Log Turning System: Adding a log turning system, such as a hydraulic turner, can make it easier to rotate logs for optimal cutting.
Blade Guide System: Upgrading the blade guide system can improve the accuracy and stability of the blade.

DIY vs. Professional Modifications

Some modifications, such as replacing the engine or upgrading the hydraulic system, are best left to professionals. Other modifications, such as adding a log loading system or upgrading the blade guide system, can be done by experienced DIYers.

Before You Modify: Considerations

Cost: Consider the cost of the modifications, including the cost of parts and labor.
Benefit: Consider the benefit of the modifications, in terms of increased performance, efficiency, or versatility.
Safety: Ensure that the modifications are done safely and do not compromise the safety of the sawmill.
Warranty: Check whether the modifications will void the warranty on the sawmill or its components.

Example: Building a Simple Log Loading Ramp

One relatively simple and cost-effective modification is to build a log loading ramp. This can be done using lumber, steel, or a combination of both. The ramp should be strong enough to support the weight of the logs, and it should be angled to make it easy to roll the logs onto the sawmill.

Materials Needed:

Lumber (4×4 posts, 2×6 planks) or steel (angle iron, tubing)
Fasteners (screws, bolts, or welds)
Rope or winch (optional)

Construction Steps:

Design: Determine the desired height and angle of the ramp.
Frame: Build a sturdy frame using the lumber or steel.
Surface: Cover the frame with planks or steel sheeting to create a smooth rolling surface.
Attachment: Attach the ramp to the sawmill frame securely.
Winch (Optional): Install a winch to assist with loading heavy logs.

Takeaway: Modifications and upgrades can significantly improve the performance and versatility of the 1986 Mighty Mite sawmill.

Troubleshooting Common Problems with the 1986 Mighty Mite

Even with regular maintenance, the 1986 Mighty Mite can experience problems. Knowing how to troubleshoot these issues can save you time and money. I’ve faced my fair share of sawmill breakdowns, and I’ve learned that a systematic approach is key to finding the root cause of the problem.

Common Problems and Solutions

Engine Won’t Start:
- Possible Causes: Empty fuel tank, dead battery, faulty spark plug (gasoline engine), clogged fuel filter, air in the fuel system (diesel engine).
- Troubleshooting Steps: Check the fuel level, check the battery voltage, replace the spark plug (gasoline engine), replace the fuel filter, bleed the fuel system (diesel engine).
Blade Wanders or Cuts Unevenly:
- Possible Causes: Dull blade, incorrect tooth set, worn blade guides, loose blade tension.
- Troubleshooting Steps: Sharpen the blade, set the teeth, replace the blade guides, adjust the blade tension.
Hydraulic System Leaks:
- Possible Causes: Damaged hoses, loose fittings, worn seals in the cylinders or pump.
- Troubleshooting Steps: Inspect the hoses and fittings for leaks, tighten the fittings, replace the hoses or seals.
Saw Head Moves Slowly or Erraticly:
- Possible Causes: Low hydraulic fluid level, air in the hydraulic system, worn hydraulic pump, faulty control valve.
- Troubleshooting Steps: Check the hydraulic fluid level, bleed the hydraulic system, replace the hydraulic pump, replace the control valve.
Overheating Engine:
- Possible Causes: Low coolant level, clogged radiator, faulty thermostat, worn water pump.
- Troubleshooting Steps: Check the coolant level, clean the radiator, replace the thermostat, replace the water pump.

Using a Multimeter for Electrical Troubleshooting

A multimeter is an essential tool for troubleshooting electrical problems. It can be used to measure voltage, current, and resistance.

Voltage Measurement: Use the multimeter to check the voltage of the battery, the alternator, and other electrical components.
Current Measurement: Use the multimeter to measure the current draw of the starter, the lights, and other electrical components.
Resistance Measurement: Use the multimeter to check the continuity of wires and the resistance of components such as resistors and sensors.

Online Resources and Communities

There are many online resources and communities dedicated to sawmills and woodworking. These resources can be invaluable for troubleshooting problems and finding parts.

Mighty Mite Forums: Search for online forums specifically dedicated to Mighty Mite sawmills.
Woodworking Forums: General woodworking forums often have sections dedicated to sawmills and lumber production.
YouTube: Search for YouTube videos on troubleshooting sawmill problems.

Takeaway: Knowing how to troubleshoot common problems can save you time and money and keep your 1986 Mighty Mite sawmill running smoothly.

The Future of Small-Scale Sawmilling: Lessons from the Past

The 1986 Mighty Mite represents a pivotal point in the evolution of small-scale sawmilling. It embodies the principles of simplicity, durability, and affordability that continue to resonate with many woodworkers and small business owners today. As technology advances, it’s important to remember the lessons learned from these classic machines.

The Rise of Portable Sawmills

The 1986 Mighty Mite was part of a wave of portable sawmills that revolutionized the lumber industry. These machines made it possible for small operators to produce lumber on-site, reducing transportation costs and increasing access to timber resources.

The Importance of Sustainability

As environmental concerns grow, sustainability is becoming increasingly important in the lumber industry. Small-scale sawmills can play a key role in promoting sustainable forestry practices by utilizing locally sourced timber and minimizing waste.

The Role of Technology

While the 1986 Mighty Mite is a relatively simple machine, modern technology can be used to improve its performance and efficiency. For example, electronic blade sharpeners and computerized log scaling systems can help to optimize lumber yield and reduce waste.

The Value of Community

The small-scale sawmilling community is a valuable resource for knowledge, support, and collaboration. Sharing experiences and best practices can help to ensure the long-term success of this industry.

My Personal Vision

I envision a future where small-scale sawmills are integrated into local communities, providing sustainable lumber products and supporting local economies. The lessons learned from classic machines like the 1986 Mighty Mite will continue to guide us as we navigate the challenges and opportunities of the 21st century.

Takeaway: The 1986 Mighty Mite represents a legacy of innovation and resilience in the small-scale sawmilling industry. Its principles of simplicity, durability, and affordability remain relevant today, even as technology continues to evolve.