"I think, if this screw instrument is well made, that means from linen starched (to block its pores) and is turned rapidly, then this said screw will find its female in the air and climb upwards."
Leonardo envisioning the helicopter
With this brief description, Leonardo da Vinci had envisioned the forefather of the modern helicopter.
An excellent recreation of Leonardo's vision is now here in this easily built die cut wooden model kit.
The kit includes:
* aircraft grade die-cut plywood, maple dowelling and cedar
* stock cotton fabric covering
* richly detailed assembly book with numerous illustrations
* display stand
Specifications:
Name - la vite aerea
Type - Archimedes Screw
Height - 8 1/2 inches
Diameter - 7 3/4 inches
Build Time - Approx. 7 hrs.
Level - Beginner (ages 8+)
