June 24, 2026 | Camp Axes • Hatchets • Build Campfire
A saw is safer and more energy-efficient than an axe for processing firewood up to 8 inches in diameter. The physics: an axe uses impact force to wedge fibers apart—you lift 2-3 lbs of steel overhead and swing it down, generating roughly 50-100 ft-lbs of kinetic energy per swing. A saw uses a toothed blade pulled back and forth—the teeth slice fibers via shear force at the cutting edge, requiring roughly 1/10th the energy per inch of wood cut compared to chopping. For campers processing 30+ logs for a group campfire, the saw saves roughly 200 kcal per evening—the difference between a relaxing fire-prep and an exhausting workout. Here is the comparison of the three saw types.
| Saw | Blade Length | Teeth Per Inch | Weight | Folding/Portable | Best For | Price |
|---|---|---|---|---|---|---|
| Silky Gomboy 240 Folding Saw | 9.5 inches (240mm) | 8.5 TPI (aggressive—Japanese impulse-hardened teeth cut on the pull stroke, not the push stroke. This is the defining difference between Japanese and Western saws: pull-cut saws use a thinner blade because the blade is under tension during the cutting stroke, not compression. A thinner blade = narrower kerf = less wood removed = faster cutting with less effort.) | 8 oz | Yes—folds into handle. Rubber grip. Locking mechanism at 2 angles (straight and angled). | Backpacking. Processing 2-6 inch branches. The 9.5-inch blade cuts 8-inch logs (blade length = roughly max log diameter). | $45 |
| Bahco 21-Inch Bow Saw | 21 inches | 7 TPI (peg tooth—cutting on both push and pull strokes. Slower per stroke than pull-cut, but the 21-inch stroke length compensates. Each stroke covers 21 inches of teeth across the log. | 3 lbs | No—rigid frame. The blade is removable from the frame for compact transport—wrap it in a rag and slide it into the frame tube. | Car camping. Processing 4-10 inch logs for a group campfire. The 21-inch blade cuts 10+ inch logs with a rocking motion. | $30 |
| UST Pocket Chainsaw | 24 inches (chain with handles on both ends) | 5 TPI (chain teeth—rips through wood aggressively. The 24-inch chain wraps around a 10-inch log and cuts from multiple angles simultaneously via a back-and-forth pulling motion. Two people can operate—one on each handle.) | 5 oz | Yes—rolls into a flat 4×4-inch tin. Fits in a pocket. | Emergency/survival. Occasional use. The chain dulls after 15-20 logs because the teeth are not hardened to the same standard as Silky or Bahco blade steel. | $15 |
A Western saw cuts on the push stroke. The blade is under compression—it wants to buckle. To resist buckling, the blade must be thicker and wider, which creates a wider kerf (the slot the saw cuts through the wood). A wider kerf = more wood removed = more effort per inch of cut. A Japanese pull-cut saw (Silky, ARS, Samurai) cuts on the pull stroke. The blade is under tension—it cannot buckle, only stretch. The blade can be razor-thin (0.5-0.8mm vs 1.2-1.5mm for Western push-cut blades). Thin blade = narrow kerf = less wood removed = less effort. The impulse-hardened teeth (induction-heated to HRC 61-63 at the tooth tip, HRC 48-50 at the blade body) stay sharp for roughly 3× longer than standard-hardened teeth because the hard tooth tip resists abrasive wear while the softer blade body absorbs shock without cracking. View Silky Gomboy → View Bahco Bow Saw →
Disclosure: BestCampGear is a participant in the Amazon Services LLC Associates Program. Saw blade physics from mechanical engineering wood-processing texts. HRC hardness values from Silky manufacturer metallurgy documentation.