Fletching
Aerodynamic fins stabilize arrows, bolts, darts, and javelins in flight.
Fletching is the fin-like structure attached to arrows, crossbow bolts, darts, and javelins to stabilize them in flight. These fins are made from light, semi-flexible materials, commonly feathers or bark. Each individual fin is called a fletch, a flight, or a feather. A fletcher is the craftsperson who attaches fletchings to arrow shafts.
The term "fletching" comes from the French word for arrow, which itself traces back to Old Frankish. As a noun, fletching describes the set of fins or vanes on a projectile. Traditionally, three matched half-feathers are spaced evenly around the rear of the shaft. Four fletchings have also been used. In English archery, the cock feather (from a male bird) is placed on the outside of the arrow, while the other two are hen feathers (from a female). Archery lore suggests that a right-handed archer should use a right-winged feather with a right-handed helical twist, and a left-handed archer the opposite. However, slow-motion footage shows the arrow does not spin until well past the bow’s riser, so consistency in fletching matters most. Feathers are preferable for bows with a riser shelf because they compress and flatten as they leave the bow.
On compound bows, feathers can be a hindrance, and plastic vanes work better. At the high speeds of a compound bow, even vanes without curvature keep the arrow flying straight. Feathers also increase noise on high-powered bows, which can trouble hunters. Modern plastics are now common instead of feathers. Fletches were once attached with glue and silk thread, but modern adhesives, threads, and tapes make that unnecessary unless replicating a historical arrow. Feather fletchings naturally spin an arrow due to the rough and smooth sides of a feather and its natural curve, which depends on which wing it came from. Plastic vanes must be set at a slight angle (offset fletch) or twisted (helical fletch) to create the same stabilizing spin, all to prevent the projectile from tumbling.
More broadly, "fletching" can refer to any structures added to a projectile for aerodynamic stability. For example, the feathers on the butt end of an atlatl dart are very similar in purpose and construction to arrow fletchings, and most fletching techniques likely came from earlier dart-making. The fins used to stabilize rockets work in a similar way.
- Traditional fletching count
- three matched half-feathers
- Alternative fletching count
- four
- Materials
- feathers or bark; modern plastics
- Attachment methods
- glue and silk thread; modern glue/thread/tape
- Feather types
- cock feather (male) and hen feathers (female)
Lore & Background
The word 'fletching' comes from the French word for 'arrow', which has its roots in Old Frankish. Traditionally, fletching consists of three matched half-feathers attached near the back of the arrow, equally spaced around its circumference. In English archery, the male feather from a cock is used on the outside of the arrow, while the other two stabilizing feathers are from a hen. Traditional lore holds that a right-handed archer should shoot a right-winged feather with a right-handed helical, and a left-handed archer should use the opposite. However, slow-motion cameras show the arrow does not begin to spin until well past the riser, and consistency in fletching is considered most important. Feather fletches impart a natural spin due to the rough and smooth sides of a feather and the natural curve determined by which wing the feather came from. Plastic vanes need to be placed at a slight angle (offset fletch) or set into a twist (helical fletch) to create the same effect. Fletchers were traditionally associated with the Worshipful Company of Fletchers, a guild in the City of London.
Reader's Guide
Fletching is significant because it stabilizes the projectile aerodynamically, ensuring it does not tumble during flight. Feather fletching is considered wiser for bows with a riser shelf, as feathers compress and flatten when coming off the bow. On compound bows, feathers may be a hindrance, and plastic vanes are a better solution due to the high speeds; plastic vanes with no curvature still allow the arrow to fly straight without tumbling. Noise is increased with feathers on higher-powered bows, which can be a problem for hunters. Modern plastics may be used instead of feathers, and modern glue, thread, or tape has made traditional attachment methods unnecessary except for historical reproductions. More generally, 'fletching' can refer to any structures added to a projectile to aerodynamically stabilize its flight, such as the feathers on darts cast using an atlatl. Most techniques of fletching were likely adapted from earlier dart-making techniques. The fins used to stabilize rockets work in a similar manner.
Did You Know?
- A fletcher is a person who attaches fletchings to arrow shafts.
- Plastic vanes need an offset or helical fletch to create spin, while feathers do so naturally.
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