sakuraswordly reblogged
ladybug-stims-deactivated202106
sakuraswordly reblogged
Source: catalog.archives.gov
POWER STEERING SYSTEM: COMPONENTS, TYPES AND WORKING PRINCIPLES
A steering system of an automobile is an integral part of the vehicle dynamics of the vehicle in which a series of mechanical components having certain important angles come together to steer the front wheels of the vehicle according to input provided by the passenger through the steering wheel.
And the power steering system is the advanced steering system in which the effort required to steer the front wheels of the vehicle side to side is reduced by using intermediate electric or hydraulic devices that multiplies the force applied by the driver through the steering wheel to achieve a smooth and quick directional change of the vehicle.
Today all 80% of the cars on road are equipped with a power steering system which has become the basic need of today’s automobile.
We need power steering due to the following reasons
1. Quick response
As the number of the vehicle on the road is increasing day by day and today almost 60% families of the world are having a 4 wheeler in their houses, with this increase in several vehicles the danger of accidents on road is also increased, so to avoid this danger and to take quick turns required by the road conditions a quick response steering system is required in a 4 wheel vehicle.
2. Steering efforts
If we drive old cars like Maruti Suzuki 800, it is found that the steering wheel of the car feels very hard to rotate when the vehicle is going below 40 km/hr (above that the steering feels less hard) which is found to cause fatigue to the driver while going on a long ride. So a vehicle should be equipped with a power steering system so that the steering effort required to steer the front wheels can be reduced.
3. Bump steer
As we know the bumps of the road are reduced by the suspension system but as the steering system is directly attached to the wheel’s hub some amount of bumps force is also transferred to the steering system which in turn tries to steer the vehicle
sakuraswordly reblogged
A Four-Rotor Enigma Cipher Machine Heimsoeth & Rinke; November, 1941
Serial number M4117, with complete electrical wiring, three aluminum rotors (IV, V & VII), Gamma rotor and B reflector all with matching serial numbers, raised ‘QWERTZ’ keyboard with crackle black painted metal case, plugboard in the front with eight patch leads, four spare patch leads to lid which is fitted with spare bulbs and a previously unknown, probably unique, metal security screen, housed in wooden carrying case – with a German Navy telegraph key.
13½ x 11 x 6in. (34.5 x 28 x 16cm.).
sakuraswordly reblogged
Flexural Modulus
Learn about flexural modulus and what it means in material science and engineering, how is it calculated, and what factors affect the flexural modulus of a material.
sakuraswordly reblogged
Ductility and Brittleness
An overview of ductility and brittleness and how different materials behave under loading. Understanding these material properties can help you make better decisions in engineering, construction, and manufacturing.
sakuraswordly reblogged
كانت الآلة Friden SBT10 في الخمسينات من القرن الماضي آلة حاسبة ميكانيكية كاملة الوظائف فاخرة للغاية. يوضح هذا الفيديو كيف تقسم 355 على 113 (تقريبًا π)
1950's Friden SBT10 was a very luxury full function mechanical calculator. This video show how it divides 355 by 113 (approximately π)
sakuraswordly reblogged
The 1,4000,000-volt X-ray machine at the high voltage laboratory at the National Bureau of Standards, ca, 1940s.