The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.
Recommend to read
COMPRESSION POLET
The need for easy to operate, the engine for aerobatic cord models-copies and the lack of compression engines of large cubic capacity prompted Novosibirsk modelers from CUT SB as USSR to...
WHAT’S THE HURRY, HANG GLIDER?
The gliders don't need to explain how important the safety speed indicator. Such a device is especially valuable for beginners: its tip in a timely manner saves the pilot the novice from...
