bookworm
I think the principle of assessing your speed at some point on the runway and aborting if it is below a certain speed is a good principle.
OK, I have thrown out what I think makes sense, and people have disagreed.
How about you and others detail what speed and point you would choose, and lets see how that stands up to scrutiny.
This is the test I will apply
You could well be and xx kt yyyy ft into your zzzz ft runway and not make it to Vr kts by zzzz ft. That's because your acceleration decreases as your speed increases. Your assumption of constant acceleration is optimistic.
PS Bookworm. I'm not guaranteeing that you will get off the ground. I'm just guaranteeing that you will be able to stop.
The decision to GO is made in consultation with the POH and others. You decide to GO when you push the throttle in at the beginning of the takeoff roll. I am talking about the situation where the engine does not behave as advertised, a brake is sticking, or the wind changes. My rule is purely a decision relating whether to STOP.
Anyway, I look forward to your suggested figures.
Last edited by slim_slag; 25th January 2003 at 19:17.