I think mine is a Hyundai compressor, will check in a bit.
Is it possible to replace the gaskets, or not worth the hassle?
I think mine is a Hyundai compressor, will check in a bit.
Is it possible to replace the gaskets, or not worth the hassle?
Yeah its an easy job but i beat the bloody thing to death all the time and it would be handy to have a bit more cfm for blowing the big ones up a bit quicker.
You are so being chemtrailed!
That’s a good amount of wind there!
At which altitude was that? FL300+ I assume?
Yeah…that was FL350. Usually we would go higher (FL390-FL450 offer the best fuel efficiency)…but for an hour long flight ATC often won’t take you that high. Also the core jetstream winds were what we were seeking there.
On the way back we went to FL400…usually if you can get to FL390+ you can “get over” the core of the jetstreams. So instead of a 200 knot headwind it was more in the 150 range.
This is probably a silly question, but can the jet stream ever push an airplane too fast? Like, faster than a big commercial plane is technically supposed to go?
I had flight recently from the west coast to NY and we were cooking - got in super early. Was happy naturally to spend less time on the plane but it got me wondering.
Fast compared to what?
Compared to the apartments in the city below you? The airplane is not affected by the speed compared to apartments. You could put a fancy apartment on a high speed train going the other way and the plane won’t handle any differently. As long as you don’t fly into it.
The plane also does not care about the speed compared to the surface, ground or water (until you hit the surface).
The only speed the plane is affected by, is its speed compared to the air mass it is travelling in.
Then why do we have so many speeds? Other properties of that air mass are also relevant, and cause a different indicated air speed on a traditional pitot tube measurement. Mainly density, but temperature also has a small effect on speed of sound and thus how pressure waves behave. This is all relevant to the physics of flight.
Ground speed when flying at FL400 only tells you how fast the Earth is sliding underneath you, but nothing that is relevant to the physics of flight
I’d say the fact that fuel burn is a time bound function, and therefore ground speed is by far the most important parameter. As the distance between KHOME and KDEST is a fixed amount, ground speed makes the difference between spreading your plane, passengers and yourself over a couple acres of fly-over country or a happy landing followed by a romp in the airport hilton with the new flight attendant.
You’ve still got those programming chops, always seeing the edge case
Thanks!
I want to say ‘ah ha I get it!’ but I am still a bit confused (I’m sure this is, as they say, a ‘me’ problem).
I think it’s me probably not fully understanding IAS - is it right to think then that regardless of the jetstream, an airliner would normally be flying at the same indicated airspeed both ways? west to east and east to west?
Exactly. Indicated airspeed is a measure of the forces acting on the airplane imparted by the air it is moving through, it is only indirectly related to how fast the plane is going (in reference to the ground).
thanks!
Paging @keets ….just checking in with you after the storm …hope that all them sheep and the wall are still good
Hey matey, all good. Wasn’t as bad as the previous one. No trees down this time. I think we lost a couple of tiles off the roof so need to send up the drone.
We had a random lamb born a couple of weeks ago, naughty mum getting some early. We kicked him out early this week and he’s bouncing round, so it’s a good sign.
Hope everyone else is ok and not suffered.
Are you asking if wind can push a plan past Vne? If so, yes. Can the wind push a plane into structural damage, Yes but I’m not aware of it happening. Maybe some of the jet guys here can speak to that.
We had a bit more wind than expected but nothing major. Glad you are all ok