LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
GRÆN FRAMTÍÐ
ÖFUGVERKFRÆÐI
SCHOOL PROJECTS
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter
Around 1489 Leonardo da Vinci sketched a machine to rise straight up into the air: a huge screw of starched linen that, spun fast enough, would 'make its spiral in the air and rise'. It is the earliest known design for vertical flight — the direct ancestor of the helicopter rotor. This blueprint reconstructs Leonardo's aerial screw from a cane-and-linen helix on a spun axle, and is honest about the outcome: at human power it could never lift its own weight, yet its principle — a turning helical wing driving air downward — is exactly how every helicopter flies today, 450 years later.
Lengra kominn
20
Leiðbeiningar
1
1
Understand Leonardo's idea
Understand Leonardo's idea
Just as a wood screw bites into a plank as it turns, Leonardo reasoned a large screw turning fast would bite into the air and climb. He wrote that a well-made screw of starched linen, spun quickly, 'will make its spiral in the air and it will rise high'. This is the first design for vertical flight.
2
2
Raise the central axle
Raise the central axle
Fix a stout vertical pole as the central axle, standing on a round platform that can turn freely. Everything spins about this axle, so it must be straight, strong and well seated.
Efni fyrir þetta skref:
Beech Lumber2 pieceNauðsynleg verkfæri:
Hand Saw3
3
Form the helical frame
Form the helical frame
Bend lengths of springy cane into a continuous spiral rising around the axle — the thread of the screw — and lash them to radial arms fixed to the pole. The spiral should make about one full turn from platform to top.
Efni fyrir þetta skref:
Split Cane3 bundle
Binding Rope20 meterNauðsynleg verkfæri:
Knife4
4
Cover with stiffened linen
Cover with stiffened linen
Stretch linen tightly over the spiral frame and stiffen it with starch or boiled linseed oil, as Leonardo specified, so the screw presents one continuous solid face to the air rather than a leaky mesh.
Efni fyrir þetta skref:
Linen Fabric30 square meter
Boiled Linseed Oil1 literNauðsynleg verkfæri:
Awl5
5
Rig the drive
Rig the drive
Attach cords or push-bars at the base so several people can run around the platform and spin the screw as fast as they can — the muscle power Leonardo intended to turn it.
Efni fyrir þetta skref:
Binding Rope15 meterNauðsynleg verkfæri:
Knife6
6
Spin it and feel the downwash
Spin it and feel the downwash
Spin the screw up to speed and feel the column of air it drives downward beneath it. That downwash is genuine thrust — the machine really does push against the air, exactly as a helicopter rotor does.
7
7
The honest verdict
The honest verdict
At full size and human power it cannot lift its own weight: the linen-and-cane structure is heavy and muscle power is far too weak, and Leonardo had no light engine. It never flew. But the concept — a rotating helical wing throwing air down to climb — is precisely the principle of the helicopter, sketched 450 years early.
8
8
Prove the principle at model scale
Prove the principle at model scale
Build a small, light version and spin it with a wound cord or a little motor: it lifts off. This shows Leonardo's reasoning was sound — only the power-to-weight ratio available in 1489 stood between his drawing and true flight.
Efni
5- 2 pieceStaðgengill
- 3 bundleStaðgengill
- 35 meterStaðgengill
- 30 square meterStaðgengill
- 1 literStaðgengill
Efni úr tengdum teikningum
You can swap these in
Can't get one of the materials? Swap it for an equivalent — these work just as well.
- Instead of Boiled Linseed Oil, try:
Essential Oil (Floral)
Frankincense Essential Oil (Boswellia carterii) - Instead of Linen Fabric, try:
Jute Fabric
Kevlar Fabric
Modal Fabric
UV-Resistant Fabric
Carbon Fiber Fabric - Instead of Beech Lumber, try:
Yellow Birch Lumber
Western Hemlock Lumber - Instead of Knife, try:
Blunt Collection Knife
Gilder's Knife - Instead of Hand Saw, try:
Portable Band Saw
Tengd Blueprint
Þessi blueprint deila þekkingu — tækni, efni eða meginreglur
Related blueprints
Other builds that share materials, tools, or techniques with this one.
Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot
Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485
Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army
Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine
Building an Arab Kamal — The Indian Ocean Navigator's Latitude FinderPhysics & Astronomy
CC0 opinbert ríki
Þessi teikning er gefin út undir CC0. Þér er frjálst að afrita, breyta, dreifa og nota þetta verk í hvaða tilgangi sem er, án þess að biðja um leyfi.
Studdu smiðinn með því að kaupa vörur í gegnum teikningu hans þar sem hann fær þóknun smiða sem seljendur ákvarða, eða búðu til nýja endurskoðun á þessari teikningu og tengdu hana sem tengingu í þinni eigin teikningu til að deila tekjum.