斯蒂尔, 这两个电锯的制造商, 在手持式电力设备方面，毫无疑问是行业领导者. 无论您是在谈论电锯, 修剪器, 鼓风机或任何其他类型的产品, 几十年来斯蒂尔一直是该领域的先驱. They sell more gas-powered products than their competitors and constantly push boundaries with their innovations.
详细比较
| 多发性硬化症 181 | 多发性硬化症 251 C-BE | |
| 技术规格 | 多发性硬化症 181 | 多发性硬化症 251 C-BE |
| 排量 cm³ | 31,8 | 45,6 |
| 输出功率 kW/bhp | 1,5/2 | 2,2/3 |
| 重量公斤 | 4,3 1) | 5,1 1) |
| 功率重量比 kg/kW | 2,9 | 2,4 |
| 声压级 dB(一个) | 100 2) | 103 2) |
| STIHL Oilomatic 锯链型 | 峰微迷你 3 (PMM3) | 快速微 (R M) |
| 声功率级 dB(一个) | 112 3) | 114 3) |
| 振动水平左/右 m/s² | 3,5/3 4) | 3,9/3,9 4) |
| 锯链节距 | 3/8〃〃 | .325” |
斯蒂尔女士 181
It will adjust fuel delivery, ignition timing and even idle speed to ensure that your saw is always running at its most efficient level. Basically, this means that you can look forward to improved fuel economy, increased power and consistent torque no matter where or when you’re working with these tools. 两位女士 181 和女士 251 C-BE are lightweight chainsaws designed for cutting firewood or felling trees up to around 10 英寸直径. The only real difference between these two models is that one.
They also both have a 2-MIX engine, which is an advanced combustion technology that gives you more power but uses 20 percent less fuel than their predecessors. The differences in performance between this and other models of STIHL chainsaws are negligible—both machines will cut through a 16″ log with no problem. Ease of Use The 251 C-BE has.
斯蒂尔女士 251 C-BE
这 斯蒂尔女士 251 C-BE with Easy2Start™ technology is a mid-sized chainsaw that’s designed with the professional in mind. 女士 251 C-BE is part of STIHL’s new generation of fuel-efficient, low emission chain saws. It features stratified charge engine technology that cuts fuel consumption by up to 20% 和废气排放量高达 50%.
The anti-vibration system reduces operator fatigue and improves comfort during those long days on the job. 此外, 女士 251 C-BE starts quickly with just a light pull of the starting cord thanks to the Easy2Start™ system – making this a great chainsaw for homeowners who are looking for professional performance. This saw has a number of convenient features, including an easy access air filter so you can maintain your machine without difficulty.
斯蒂尔女士 181 与女士 251 C-BE|发动机排量
斯蒂尔女士 181 has a smaller engine displacement than the STIHL MS 251 C-BE. 这意味着斯蒂尔 MS 181 is a better choice for certain applications. The engine displacement refers to the volume of fuel that is displaced by the pistons in one full cycle of an internal combustion engine. A larger engine displacement means that more fuel can be burned, which translates to the increased power output from the engine. 然而, this may not be desirable for all applications, especially when precision and control are important factors for completing your task properly.
斯蒂尔女士 181 与女士 251 C-BE|功率输出
oth of these chainsaws are run by a single cylinder, 二冲程发动机. 在功率输出方面, 斯蒂尔女士 181 被评为 2.0 马力和 3,800 每分钟转数 (转数). 斯蒂尔女士 251 C-BE is rated at 2.5 马力和 9,000 转数. Both of these ratings are much higher than you would expect to see in a residential chainsaw.
斯蒂尔女士 181 is considered a light-duty chainsaw while the STIHL MS 251 C-BE is considered a medium-duty chainsaw. If you need something for big jobs, such as cutting down trees or clearing brush after a storm, 斯蒂尔女士 251 C-BE is your best choice. 然而, if you need something for smaller jobs around your property, 例如修剪树枝或砍柴, 斯蒂尔女士 181 will do just fine.
斯蒂尔女士 181 与女士 251 C-BE|重量
女士 181 和女士 251 C-BE are both lightweight chainsaws, 但是MS 251 C-BE is a little lighter. 重量为 10.6 磅, 斯蒂尔女士 181 is one of the lightest chainsaws on the market. But the STIHL MS 251 C-BE 仅重 10.3 磅. This slight difference in weight could be enough to make a difference if you’ve got a tough job to do and you’re worried about fatigue.
斯蒂尔女士 181 与女士 251 C-BE|功率重量比
女士 181 发动机排量为 30.1 抄送, 称重 9.3 磅。, and has a power-to-weight ratio of 3.2 lbs./kW (2.4 磅/马力). 女士 251 C-BE 的发动机排量为 50.2 抄送, 称重 11.6 磅。, and has a power-to-weight ratio of 3.25 lbs./kW (2.44 磅/马力).
Both chainsaws have easy starts with STIHL Easy2Start™ technology, which makes starting nearly effortless; an anti-vibration system that reduces operator fatigue; 符合人体工程学的手柄; digital ignition with an automatic impulse function; and STIHL’s Ematic™ bar lubrication system, which provides maximum lubrication, longer chain life, and less oil consumption than conventional methods of lubricating the bar and chain.
斯蒂尔女士 181 与女士 251 C-BE|声压级
斯蒂尔女士 181 is an outstanding light-duty chainsaw with a sound pressure level of 104 D b(一个), 而斯蒂尔女士 251 C-BE 的声压级为 110 D b(一个). To help explain how much difference 6 dB can make, here’s a list of decibel levels you may be familiar with:
- A whisper: 15 D b
- Normal conversation: 60 D b
- A lawn mower: 90 D b
- A motorcycle: 95 D b
- A rock concert or a jet engine: 120 D b
- A gunshot or firecracker: 140 D b
斯蒂尔女士 181 与女士 251 C-BE|振动水平左/右
女士 181 C-BE 是一个轻量级的, fuel-efficient chainsaw with low vibrations. The STIHL Easy2Start™ system makes starting the saw almost effortless. This chainsaw also has an advanced anti-vibration system and side chain tensioner for comfortable operation. 斯蒂尔女士 251 C-BE is a professional, high-performance chain saw that features our pre-separation air filtration system—extending the cleaning life of the air filter so you have less maintenance. The “C” designation in both model names means that these saws are equipped with STIHL’s Easy2Start™ technology, which makes starting these saws almost effortless.
Both saws feature a low vibration cutting system, allowing for a more comfortable user experience. 女士 181 features an anti-vibration system that isolates the handles from the engine while the 251 C-BE features the STIHL M-Tronic engine management system, eliminating vibration through electronic engine mapping.
斯蒂尔女士 181 与女士 251 C-BE|锯链节距
The size of the drive links and cutters in millimeters determines what is often referred to as the pitch of a saw chain. 多发性硬化症 181 和女士 251 C-BE chainsaws have different saw chain pitches. 斯蒂尔女士 181 chainsaw uses a 3/8″ Picco Micro 3 (PM3) chain with 1.1 mm drive links and 0.325 英制规格.
Gauge refers to the distance between each drive link, so 0.325 inch gauge indicates that there are 0.325 inches between each of the drive link’s grooves on the guide bar. This type of saw chain was designed to work with narrow-kerf bars, which minimize wood loss when making cuts due to their narrow groove widths (the kerf).
斯蒂尔女士 181 与女士 251 C-BE|哪个更好
The most obvious difference is the price—the MS 251 C-BE is about $90 more expensive than the MS 181. One reason for this is that the MS 181 does not have an automatic oiler, 而MS 251 C-BE 确实.
Another difference is that the MS 251 C-BE has a combi tool that can be used to remove or install spark plugs without any additional tools, whereas with an MS 181 you must use a screwdriver to adjust your spark plug gap. The final major difference between these two chainsaws is the type of starter they have: while both of them have “stopping” devices to prevent backfires when starting up cold (which requires holding down on certain parts), only one has decompression valves built into its starter system—the MS 251 C-BE.
女士 181 C-BE 是一个轻量级的, easy-to-use chain saw that is the perfect choice for homeowners looking to reduce their carbon footprint. 女士 251 C-BE is an ideal mid-range saw for use around the home or on the farm or ranch. Both chainsaws have features that make them both powerful and comfortable to use.
The most notable difference is that the MS 181 C-BE has a smaller engine displacement than the MS 251 C-BE. This means it will be lighter and easier to maneuver, but also that it won’t pack quite as much punch as its larger sibling. Another difference is that the MS 181 C-BE does not include our STIHL Quickstop® Chain Brake feature, which stops the chain when activated by kickback.
结束
Both are relatively small, lightweight chainsaws with a 16″ bar and chain, both have the same 2.5 马力发动机, and both are designed for medium-duty work around the home. 然而, there are several differences between the two that set them apart from each other in terms of performance, 使用方便, and cost.