Should I Choose a #3 or #4 Smoothing Plane for My Needs?
Asked by WoodworkingNinja42
I'm starting my collection of hand planes and I'm trying to decide between a #3 or a #4 for smoothing. I'm planning to have the typical set of 3 (smoothing), 5 (jack), and 7 (jointer). After watching some YouTube videos, I realized I'd prefer a #5 1/2 jack for its extra mass, and since I won't be doing much edging on long pieces, the #5 1/2 should work for short edges too, so I'm skipping the #7. For the smoothing plane, I've heard a lot of people suggest a #4 over a #3, and one guy even recommended a #4 1/2. But I'm mostly working on smaller pieces and feel a #3 could be sufficient. Other than for larger surfaces like workbench tops, do I really need a #4 or a #4 1/2? What are the downsides of getting a #3 instead?
Answers
Honestly, if you're just starting out, a #5 works well for quite a bit of work. Many folks manage entire projects using just that one!
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The weight of the plane really depends on the work you're doing. Heavier planes can be tiring for hand dimensioning, but if everything's machine-prepped, a little extra mass might assist you. Ultimately, it's about which feels best in your hands. The #4s are common and easier to find as vintage tools. If you get a #3, it won't be a bad choice either!
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I've found that a #4 is generally easier to control and set up for smoothing. The extra width helps with getting smooth surfaces without leaving ridges. A #3 can feel small for some, but it's great if you have smaller hands. I also use a kanna for softer woods, and none of these options are bad; it really comes down to personal preference.
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WoodFinder1: Some might argue that the extra weight gives you more inertia, which can make planing smoother, especially with tricky woods.