- Why do buses not show up?
- Why are trains streamlined?
- How long is a full size bus?
- Where is the engine on a flat nose bus?
- Why are trains not aerodynamic?
- Why do buses have rear engines?
- How tall is a Blue Bird school bus?
- Why are buses not aerodynamic?
- Why are American school buses all the same?
- When did flat front buses come out?
- What engine is in a school bus?
- How fast did trains go in 1930?
- How fast were steam locomotives?
- How does streamline work?
- How long is a flat nose school bus?
Why do buses not show up?
Typically, it’s because a bus or buses have got late in traffic and the controller turns them round before they have reached your part of the route.
Sometimes the bus would be over 40 minutes late on an every-10-minutes route, and it would come in a convoy of multiple buses..
Why are trains streamlined?
Whenever an object moves through the air, it meets wind resistance. This creates a force, called drag, which slows it down. A pointed or rounded object creates less drag than an angular one. For this reason, fast cars and trains are designed with a rounded front, called streamlining.
How long is a full size bus?
School buses range anywhere from 20 to 45 feet in length. In general, buses that are 20-25 feet long are considered mini or short. While buses that are 25-35 feet long fall into the mid-size category, and buses over 35 feet are full-sized.
Where is the engine on a flat nose bus?
Body Styles and Placements for the Engine A flat-nose can have either a front or rear engine. RE buses are much less noisy while you’re driving since the engine is far away in the back. However, a rear engine takes up some space in the back.
Why are trains not aerodynamic?
Since the speed is not very high, there is very low value of air drag , which can easily be neglected. … But if you consider trains they move at fairly high speeds but still there is no aerodynamic shape is because maybe it is because trains have always been made this way.
Why do buses have rear engines?
When loaded, buses get traction thanks to being rear wheel drive. … This will ensure that the back wheels and engine are connected. Power loss and an increase in weight are the result of having to put in a transmission shaft. A rear engine prevents this and is better overall for the bus.
How tall is a Blue Bird school bus?
Blue Bird VisionLength309–499 in (7,848.6–12,674.6 mm)Width96.0 in (2,438.4 mm)Height122–128 in (3,098.8–3,251.2 mm)Curb weightup to 33,000 lb (14,969 kg) GVWR18 more rows
Why are buses not aerodynamic?
The Primary Reason. Buses and trucks do not involve ‘aerodynamic’ can be the load they carry or their heaviness that does not need any enhanced speed.
Why are American school buses all the same?
In fact, school buses are the most regulated vehicles on the road. And because they’re all the same, they’re easily recognized, and nearby drivers know to be extra cautious. A drastic design change, like the color, could modernize the look. But it might not get the attention of drivers as quickly.
When did flat front buses come out?
Introduced in 1932, the Crown Supercoach seated up to 76 passengers, the highest-capacity school bus of the time. As the 1930s progressed, flat-front school buses began to follow motorcoach design in styling as well as engineering, gradually adopting the term “transit-style” for their appearance.
What engine is in a school bus?
Torque — and Why it Matters for School BusesCUMMINS B6.7 DIESEL ENGINECUMMINS WESTPORT B6.7N NATURAL GAS ENGINE200-300 HP200-240 HP660 LB-FT PEAK TORQUE560 LB-FT PEAK TORQUE660 LB-FT TORQUE AVAILABLE FROM 1300-2300 RPM560 LB-FT TORQUE AVAILABLE FROM 1500-2200 RPM1 more row•Jul 27, 2018
How fast did trains go in 1930?
But it was not uncommon for the Zephyr or other trains to hit speeds of more than 100 mph in the 1930s. Today’s “high-speed” Acela service on Amtrak has an average speed of 87 mph and a rarely hit peak speed of 150 mph. (The engine itself could top 200 mph.)
How fast were steam locomotives?
Today’s bullet trains can top 300 mph. When Englishman Richard Trevithick launched the first practical steam locomotive in 1804, it averaged less than 10 mph.
How does streamline work?
Streamlining, in aerodynamics, the contouring of an object, such as an aircraft body, to reduce its drag, or resistance to motion through a stream of air. A moving body causes the air to flow around it in definite patterns, the components of which are called streamlines.
How long is a flat nose school bus?
40 feetSchool buses have been built for as many as 97 passengers (abbreviated “pax”). length is 40 feet bumper to bumper. A 40 foot flat nose bus with the engine either in front or in back will carry around 84 kids.