Connection ErrorBad RequestThis page went staleSession ExpiredSign in requiredForbiddenNot FoundToo Many RequestsServer ErrorBad GatewayService UnavailableGateway TimeoutHTTP Version Not Supported
Session Expired
Your session has expired. Please log in to continue.
Sign in required
You need an account to do that. Sign in or create one — it only takes a minute.
This page went stale
Your security token was rejected, usually because the page sat open too long or you signed in elsewhere. Nothing was saved. Reload the page and try again.
Request Failed
We encountered an issue while processing your request.
Please check your internet connection and try again.
Error Details:
Share Link
Posts from Sacred Haven of DebaucheryAuto-translated
An airplane (jet or propeller) is standing on a runway with a moving surface (like a conveyor belt). The surface can move in the opposite direction of the airplane's takeoff. It has a control system that tracks and adjusts the speed of the surface so that the speed of the airplane's wheels is equal to the speed of the surface. Question: will the airplane be able to take off under these conditions?
About the airplane: it depends on the viscosity of the air. If the fabric drags it along well enough, the airplane will take off.
Do you think I'm doing charity?
Well, that thought crossed my mind... )))
----
Rimp, should I post what I have? Or did you already figure it out and are starting a provocative argument about beer from here?
Regarding the airplane: it depends on the viscosity of the air. If the fabric drags it along well enough, the airplane will take off.
Well, the fabric is a plane, and the vector of air movement in this plane is collinear with the vector of air movement around the airplane (conditionally). Roughly speaking, they don't touch (or touch very little). In any case, the difference in the forces of the air flows will be negligible, so it won't give the airplane enough acceleration to take off.
Added after 36 seconds
Well, I had that thought... )))
Don't try to back out now.
Added after 2 minutes
Rimp, should I post what I have? Or did you already figure it out and this is where the provocative argument about beer came from? )
Also, where I wrote about 42, I came to the conclusion that there is no solution
Well, the canvas is a plane, and the direction of the airflow in this plane is collinear with the direction of the airflow around the aircraft (conditionally). Roughly speaking, they don't touch (or touch very little). In any case, the difference in the forces of the airflows would be negligible, so it wouldn't give the aircraft enough acceleration to take off.
Yeah, if it were a liquid instead of air, it would be more likely, as the viscosity would be orders of magnitude greater. Although, ideally, it should be calculated.
RiMpel2
