# Oberth effect on a slope - experiment idea

• B
• speedythespeed
In summary: The experiment involves using a car toy to measure the time needed for traveling the same distance in two conditions: with a shorter time indicating a greater velocity. This concept is known as the Oberth effect on a slope and can be demonstrated by rolling two cars down a track, with the rear one starting slightly faster to collide at the lowest point. This is similar to the Hills mechanism and is based on classical relativity principles. In summary, the experiment proposed is to test the Oberth effect on a slope using a car toy and measuring the time needed for travel in two conditions.
speedythespeed
TL;DR Summary
experiment for Oberth effect on a slope
I'm just curious if something like the Oberth effect on a slope is doable as an experiment. I have a picture of my idea of what to do just looking for some opinions.

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What do the words at the bottom of the picture (in the dark shadow) say? Can you type them into the forum to make it easier to read? Thanks.

-Using car toy with trusther
-measuring the time needed for traveling the same distance in 2 conditions
- shorter time=grater velocity

Roll two cars (or perhaps balls) down the track, with the rear one starting slightly faster, so they collide at the lowest point.
(This is the Hills mechanism, but, same principle.)

Keith_McClary said:
Roll two cars (or perhaps balls) down the track, with the rear one starting slightly faster, so they collide at the lowest point.
(This is the Hills mechanism, but, same principle.)

berkeman
berkeman

## 1. What is the Oberth effect on a slope?

The Oberth effect on a slope refers to the increase in efficiency of a rocket's propulsion system when it is fired at a higher velocity while moving downhill on a slope. This effect is based on the principles of conservation of energy and momentum.

## 2. How does the Oberth effect work?

The Oberth effect works by taking advantage of the increased kinetic energy of a rocket when it is fired while moving downhill. This increased kinetic energy translates into a higher exhaust velocity, resulting in greater thrust and efficiency for the rocket.

## 3. Why is the Oberth effect important in rocket propulsion?

The Oberth effect is important in rocket propulsion because it allows for a more efficient use of fuel and energy. By utilizing the increased kinetic energy of a rocket on a slope, it can achieve a higher velocity and altitude with less fuel compared to launching from a flat surface.

## 4. How can the Oberth effect on a slope be tested in an experiment?

An experiment to test the Oberth effect on a slope can be conducted by launching identical rockets from both a flat surface and a sloped surface at the same initial velocity. The rocket on the slope should experience a greater increase in velocity and altitude, demonstrating the Oberth effect.

## 5. What are the potential applications of the Oberth effect on a slope?

The Oberth effect on a slope has potential applications in rocket launches, particularly for space missions. By utilizing this effect, rockets can achieve greater efficiency and reach higher velocities and altitudes, making it a valuable concept in space exploration and transportation.

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