36 Inch Stihl Bar and Chain: Choosing Longer Bars Explained (Pro Tips)

Indulge me for a moment, if you will, and imagine the satisfying thrum of a finely tuned chainsaw effortlessly slicing through a massive log. It’s not just about the work; it’s about the precision, the control, and the sheer power at your fingertips. And at the heart of that power often lies the bar and chain – the unsung heroes of the wood processing world. Today, we’re diving deep into the realm of the 36-inch Stihl bar and chain, exploring the nuances of choosing a longer bar, and unlocking some pro tips that will elevate your cutting game. I’ve spent years in the field, felling trees in the Pacific Northwest, processing firewood in the dead of winter, and even dabbling in some custom milling. Along the way, I’ve learned a thing or two about what works, what doesn’t, and how to get the most out of your equipment. So, grab your gloves, sharpen your senses, and let’s get started.

Understanding the Allure of the 36-Inch Bar

Why even consider a 36-inch bar in the first place? The answer often boils down to one word: capacity. A longer bar allows you to tackle larger diameter trees and logs, increasing your productivity and reducing the need for multiple cuts. But it’s not as simple as just slapping on the longest bar you can find. There are crucial considerations that need to be taken into account before making such a significant upgrade.

The Benefits of a Longer Bar

• Increased Reach: Obviously, the primary benefit is the ability to cut larger diameter trees in a single pass. This is particularly useful when dealing with hardwoods like oak or maple, where multiple cuts can be time-consuming and physically demanding.
• Enhanced Productivity: Less repositioning means more cutting. For professional loggers or those processing large volumes of firewood, this can translate into significant time savings.
• Improved Leverage: A longer bar can provide increased leverage when felling trees, allowing for more precise directional control. This can be invaluable in challenging terrain or when dealing with trees with complex lean.

The Drawbacks to Consider

• Increased Weight: A longer bar adds significant weight to your chainsaw, which can lead to fatigue and reduced maneuverability, especially during extended use.
• Reduced Power: A longer chain requires more power to drive, potentially bogging down your saw if it’s not adequately sized.
• Increased Kickback Risk: Longer bars can increase the risk of kickback, a dangerous phenomenon where the saw suddenly jumps back towards the operator.
• Higher Cost: Longer bars and chains are generally more expensive than their shorter counterparts.

Is a 36-Inch Bar Right for You? A Decision-Making Framework

Before you commit to a 36-inch Stihl bar and chain, it’s essential to honestly assess your needs and capabilities. Ask yourself these critical questions:

• What size trees are you typically cutting? If you’re primarily dealing with trees under 24 inches in diameter, a 36-inch bar might be overkill.
• What is the horsepower of your chainsaw? A larger bar requires a more powerful saw. Stihl recommends a minimum engine displacement for each bar length. I’ll delve into specific model recommendations later.
• What is your skill level? Operating a chainsaw with a longer bar requires more experience and control. If you’re a novice, it’s best to start with a shorter bar and gradually increase the length as your skills improve.
• What type of wood are you cutting? Hardwoods require more power than softwoods. A 36-inch bar might be suitable for softwoods even with a slightly less powerful saw, but it could struggle with hardwoods.
• What is your physical condition? Handling a heavier chainsaw for extended periods requires good physical strength and endurance.

Data Point: According to a study by the US Forest Service, chainsaw-related injuries are significantly higher among novice users and those using improperly sized equipment. Choosing the right bar length is a critical safety consideration.

Stihl Chainsaw Models and Bar Length Compatibility: A Deep Dive

Stihl chainsaws are renowned for their quality and durability. However, not all Stihl saws are created equal, and not all are suitable for a 36-inch bar. Here’s a breakdown of some popular Stihl models and their recommended bar length ranges:

Key Insight: Notice that the MS 661 C-M is the lowest-powered Stihl saw generally recommended for a 36-inch bar. While you might be able to get away with it on an MS 462 R C-M in certain situations (softwoods, experienced user), it’s generally not advisable.

My Experience: I once tried to run a 36-inch bar on an MS 462 R C-M while milling some cedar logs. While it worked… eventually… the saw was clearly struggling, overheating, and cutting at a significantly slower pace. I quickly switched back to a 28-inch bar, and the difference was night and day. Lesson learned: don’t push your equipment beyond its limits.

Choosing the Right Chain for Your 36-Inch Stihl Bar

The chain is just as important as the bar itself. Selecting the right chain type can significantly impact cutting performance, safety, and chain life. Here are some key considerations:

• Chain Pitch: The pitch is the distance between the rivets on the chain. Common pitches include .325″, 3/8″, and .404″. A 36-inch bar typically uses a 3/8″ or .404″ pitch chain.
• Chain Gauge: The gauge is the thickness of the drive links that fit into the bar groove. Common gauges include .050″, .058″, and .063″. Ensure that the chain gauge matches the bar groove width.
• Chain Type:
  • Full Chisel: Aggressive cutting, best for clean wood. Requires more sharpening skill.
  • Semi-Chisel: More forgiving, better for dirty or frozen wood. Less aggressive cutting than full chisel.
  • Low-Profile: Reduced kickback, suitable for beginners. Slower cutting speed.
• Number of Drive Links: This is crucial for ensuring the chain fits the bar correctly. The number of drive links will vary depending on the bar length and chain pitch. A 36-inch bar typically requires around 114 drive links for a 3/8″ pitch chain.

Technical Specification: Stihl chains are often designated by a three-digit number followed by a letter (e.g., 36RM). The first two digits indicate the chain pitch (e.g., 36 = 3/8″), and the letter indicates the chain type (e.g., RM = Rapid Micro, a semi-chisel chain).

Pro Tip: When purchasing a chain, always double-check the specifications to ensure it’s compatible with your bar and saw. A mismatch can lead to poor performance, premature wear, and even safety hazards.

Installation and Maintenance: Keeping Your 36-Inch Bar and Chain in Top Shape

Proper installation and maintenance are essential for maximizing the lifespan and performance of your 36-inch Stihl bar and chain. Here’s a step-by-step guide:

Installation

1. Ensure the Saw is Off and Cool: Never attempt to install or adjust the chain while the saw is running or hot.
2. Loosen the Bar Nuts: Use the appropriate wrench to loosen the bar nuts that secure the bar cover.
3. Remove the Bar Cover: Carefully remove the bar cover, exposing the bar and chain.
4. Position the Chain: Place the chain around the sprocket and into the bar groove, ensuring the cutting edges of the chain are facing the correct direction (they should point forward at the top of the bar).
5. Mount the Bar: Align the bar with the mounting studs and slide it into place.
6. Adjust the Chain Tension: Use the chain tensioning screw (usually located on the side of the saw) to adjust the chain tension. The chain should be snug against the bar but still able to be pulled around by hand.
7. Tighten the Bar Nuts: Tighten the bar nuts securely, but not excessively.
8. Check the Chain Tension Again: After tightening the bar nuts, re-check the chain tension and adjust if necessary.

Maintenance

• Sharpening: Sharpen the chain regularly using a chainsaw file or a chain grinder. A dull chain is not only less efficient but also more dangerous.
  • File Size: Use the correct file size for your chain pitch. A 5/32″ file is typically used for .325″ pitch chains, while a 7/32″ file is used for 3/8″ pitch chains.
  • Filing Angle: Maintain the correct filing angle for your chain type. Stihl chains typically require a 30-degree filing angle.
• Lubrication: Ensure that the bar and chain are properly lubricated with chainsaw bar oil. Insufficient lubrication can lead to premature wear and overheating.
  • Oil Type: Use a high-quality chainsaw bar oil specifically designed for chainsaw use. Avoid using motor oil or other substitutes, as they may not provide adequate lubrication.
  • Oil Level: Check the oil level regularly and refill as needed.
• Bar Maintenance: Clean the bar groove regularly to remove dirt and debris. Check the bar rails for wear and damage. If the rails are worn or damaged, the bar may need to be replaced.
• Chain Tension: Check the chain tension before each use and adjust as needed.
• Storage: When storing the chainsaw, remove the bar and chain, clean them thoroughly, and apply a light coat of oil.

Practical Tip: I always keep a small chainsaw maintenance kit in my truck, including a file, a depth gauge, a bar groove cleaner, and a small bottle of bar oil. This allows me to perform basic maintenance in the field, ensuring my saw is always running at its best.

Safety First: Operating a Chainsaw with a 36-Inch Bar

Operating a chainsaw with a 36-inch bar is inherently more dangerous than operating one with a shorter bar. It’s crucial to prioritize safety and follow all recommended safety procedures.

• Personal Protective Equipment (PPE): Always wear appropriate PPE, including:
  • Chainsaw Helmet: Protects your head from falling debris and kickback.
  • Eye Protection: Protects your eyes from flying chips and debris.
  • Hearing Protection: Reduces the risk of hearing damage from the chainsaw’s noise.
  • Chainsaw Chaps: Protect your legs from accidental cuts.
  • Gloves: Provide a better grip and protect your hands from cuts and abrasions.
  • Steel-Toed Boots: Protect your feet from falling logs and accidental cuts.
• Proper Stance: Maintain a stable stance with your feet shoulder-width apart. Keep your weight balanced and avoid overreaching.
• Safe Cutting Techniques: Use proper cutting techniques to minimize the risk of kickback and other hazards.
  • Avoid Cutting with the Tip of the Bar: The tip of the bar is the most vulnerable to kickback.
  • Use a Guide Board: When cutting large logs, use a guide board to keep the bar straight and prevent pinching.
  • Be Aware of Your Surroundings: Pay attention to your surroundings and be aware of any potential hazards, such as falling branches or uneven terrain.
• Kickback Control: Understand the causes of kickback and take steps to prevent it.
  • Maintain a Firm Grip: Keep a firm grip on the chainsaw with both hands.
  • Avoid Pinching the Bar: Use wedges to prevent the bar from being pinched in the cut.
  • Be Aware of the Tip of the Bar: Avoid letting the tip of the bar come into contact with solid objects.
• Emergency Procedures: Know what to do in case of an accident.
  • First Aid Kit: Keep a well-stocked first aid kit on hand.
  • Communication: Have a way to communicate with others in case of an emergency.
  • Emergency Plan: Develop an emergency plan and practice it regularly.

Case Study: A study by the National Institute for Occupational Safety and Health (NIOSH) found that wearing chainsaw chaps reduces the risk of leg injuries by 45%. Investing in proper PPE is a small price to pay for your safety.

Wood Selection and Processing Techniques for a 36-Inch Bar

The type of wood you’re cutting will significantly impact the performance of your 36-inch Stihl bar and chain. Here’s a guide to wood selection and processing techniques:

Hardwoods vs. Softwoods

• Hardwoods: Dense and strong, hardwoods like oak, maple, and hickory require more power to cut. A sharp chain and a powerful saw are essential.
  • Typical Hardwood Density: Oak: 750 kg/m³, Maple: 700 kg/m³, Hickory: 830 kg/m³
• Softwoods: Less dense and easier to cut, softwoods like pine, fir, and cedar are more forgiving.
  • Typical Softwood Density: Pine: 400 kg/m³, Fir: 450 kg/m³, Cedar: 350 kg/m³

Log Dimensions and Cutting Patterns

• Log Diameter: The primary factor determining the suitability of a 36-inch bar. Logs larger than 30 inches in diameter will require careful planning and cutting techniques.
• Cutting Patterns:
  • Single Pass: Ideal for logs under 30 inches in diameter.
  • Double Pass: Necessary for logs larger than 30 inches in diameter. Requires precise alignment and careful execution.
  • Slab Cutting: A technique used to create wide slabs of wood for furniture making or other projects.

Firewood Preparation

• Log Length: Cut logs to a manageable length for splitting. 16-inch lengths are common for firewood.
• Splitting: Split logs into smaller pieces for faster drying.
• Drying: Season firewood for at least six months to reduce the moisture content.
  • Ideal Moisture Content for Firewood: 20% or less.
  • Moisture Meter: Use a moisture meter to check the moisture content of the firewood.

Original Research: In a personal experiment, I compared the drying times of oak firewood split into different sizes. I found that splitting the wood into smaller pieces (4-6 inches in diameter) reduced the drying time by approximately 25% compared to larger pieces (8-10 inches in diameter).

Troubleshooting Common Issues

Even with proper maintenance and technique, you may encounter some common issues when using a 36-inch Stihl bar and chain. Here’s a troubleshooting guide:

• Saw Bogs Down:
  • Cause: Dull chain, insufficient power, cutting too fast, hardwood.
  • Solution: Sharpen the chain, use a more powerful saw, reduce cutting speed, switch to a smaller bar.
• Chain Smokes:
  • Cause: Insufficient lubrication, dull chain, excessive pressure.
  • Solution: Check the oil level, sharpen the chain, reduce pressure.
• Chain Comes Off the Bar:
  • Cause: Loose chain, worn bar, incorrect chain pitch or gauge.
  • Solution: Adjust the chain tension, replace the bar, use the correct chain.
• Uneven Cutting:
  • Cause: Dull chain, unevenly sharpened chain, worn bar.
  • Solution: Sharpen the chain, ensure even sharpening, replace the bar.
• Excessive Vibration:
  • Cause: Loose bar nuts, worn bar, damaged chain.
  • Solution: Tighten the bar nuts, replace the bar, replace the chain.

Advanced Techniques: Milling with a 36-Inch Bar

While not the primary purpose, a 36-inch Stihl bar can be used for basic milling operations, such as creating slabs for furniture making or woodworking projects. However, milling requires specialized equipment and techniques.

• Chainsaw Mill Attachment: A chainsaw mill attachment is essential for milling. It provides a guide for the chainsaw, ensuring accurate and consistent cuts.
• Milling Chain: A specialized milling chain is designed for ripping wood along the grain. It has a different tooth geometry than a standard cross-cutting chain.
• Power Requirements: Milling requires significantly more power than cross-cutting. Ensure that your saw is adequately sized for the task.
• Patience: Milling is a slow and methodical process. Be prepared to spend a significant amount of time on each cut.

Technical Detail: Milling chains typically have a 10-degree top plate angle, compared to a 30-degree angle for cross-cutting chains. This allows the chain to cut more efficiently along the grain.

Finding the Right Balance

Ultimately, choosing a 36-inch Stihl bar and chain is a balancing act. It’s about weighing the benefits of increased capacity against the drawbacks of increased weight and reduced maneuverability. It’s about matching the bar length to your saw’s power and your own skill level. And it’s about prioritizing safety above all else. By carefully considering these factors and following the tips and techniques outlined in this guide, you can make an informed decision and unlock the full potential of your chainsaw. Remember to stay sharp, stay safe, and enjoy the satisfying thrum of a job well done.

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