Things you always wanted to know the answer to [Vol. 3]
Discussion
Supersonic Welly said:
How do they dyno run newly rebuilt engines without damaging them?
There is nothing (well ok, money!) to stop you dynoing an engine however you like, it's driven on there the same as it is on the road. An engine is generally put on a dyno to be mapped, mapping involves starting at low rpm and building up bit by bit so you are generally running it in anyhow.Supersonic Welly said:
I thought rebuilt engines couldn't be revved above a certain rpm for X amount of miles?
This is widely accepted rubbish. If you actually know precisely what goes on in an engine you soon realise it's bedded in within a few minutes.AstonZagato said:
Jonboy_t said:
I can't think of an animal with just two limbs plus a tail? Kangaroos have arms too, so are five limbed.
Marine mammals. Dolphin? Manatee? 
FiF said:
Why do some people constantly refer to themselves in the 3rd person?
Heard an interview with Chris Gayle the other week, and pretty much throughout he was "Well Chris Gayle thinks that..." and so on.
Or is it simply down to being a bit of a tit.
I think you've answered your own question.Heard an interview with Chris Gayle the other week, and pretty much throughout he was "Well Chris Gayle thinks that..." and so on.
Or is it simply down to being a bit of a tit.
FiF said:
Why do some people constantly refer to themselves in the 3rd person?
Heard an interview with Chris Gayle the other week, and pretty much throughout he was "Well Chris Gayle thinks that..." and so on.
Or is it simply down to being a bit of a tit.
I've noticed Donald Trump is big at doing this, or certainly was. Heard an interview with Chris Gayle the other week, and pretty much throughout he was "Well Chris Gayle thinks that..." and so on.
Or is it simply down to being a bit of a tit.
The idea is that it is getting his name into the media reports. Ask him a question about a policy, and instead of saying "I will do this..." he says "Donald Trump will do this" - and that's what sticks in your head.
Your memory will then remember that it was Donald Trump who said they would do something, because in those early debates he did with 7 or 8 other people on stage, it was a way for him to get his point of view heard when it comes to replaying it in your head.
Supersonic Welly said:
How do they dyno run newly rebuilt engines without damaging them?
I thought rebuilt engines couldn't be revved above a certain rpm for X amount of miles?
carefully and well built engines, built to precise tolerances can be run straight away and will be as good as they will ever beI thought rebuilt engines couldn't be revved above a certain rpm for X amount of miles?
production line engines may need to 'bed in' first
main area is the cylinder bores and the piston rings, getting them to have a good seal
a lo tof people will insist on 'running-in' because they've always done it, and their father and their grandad alway did it, etc
Hugo a Gogo said:
carefully and well built engines, built to precise tolerances can be run straight away and will be as good as they will ever be
production line engines may need to 'bed in' first
main area is the cylinder bores and the piston rings, getting them to have a good seal
a lo tof people will insist on 'running-in' because they've always done it, and their father and their grandad alway did it, etc
At main dealers a lot of staff demos are thrashed from day 1 and always seemed to drive better than customers cars which had been mollycoddled. production line engines may need to 'bed in' first
main area is the cylinder bores and the piston rings, getting them to have a good seal
a lo tof people will insist on 'running-in' because they've always done it, and their father and their grandad alway did it, etc
FlyingMeeces said:
Not rude at all, and I know what you mean.
You have a bit of a logic gap though.
There are loads of conditions that might make you be a wheelchair user from childhood!
What you are thinking of, I suspect, is people who were born with spina bifida, which is a birth defect affecting the spinal column. The height of the defect varies which nerves have complete pathways or not, and so does the severity of it (some people with spina bifida do not have much or any damage to the spinal *cord*, most do) - this is somewhat similar to people whose spine is damaged in an accident. But people with cerebral palsy and many other conditions affecting their ability to stand and walk will similarly end up with pretty underdeveloped muscles in their lower half if they have never walked, so you can't (and shouldn't try to) guess.
If enough of the spine is affected to make someone be a wheelchair user then there is a chance that the nerves in charge of the bowel are also affected, but it varies a LOT. If the reason for being a wheelchair user is not to do with the spinal cord then it probably won't have any impact on continence.
But the other thing is just that you don't just 'have no control of your bowels' - if you cannot feel when you need to go and/or do not have full control of the relevant muscles, then you will learn techniques to manage this in early childhood. Those vary widely as obviously it's incredibly individual and personal, but the relevant bit is that pretty much everybody has bowel control *somehow*, even if the method of that control involves a suppository or whatever as part of their morning routine. Nobody is gonna go to work and chance having their body autonomously decide to take a dump without consulting them first!
Daughter has SB @ L1-L2, fully mobile but doubly incontinent. You have a bit of a logic gap though.
There are loads of conditions that might make you be a wheelchair user from childhood!
What you are thinking of, I suspect, is people who were born with spina bifida, which is a birth defect affecting the spinal column. The height of the defect varies which nerves have complete pathways or not, and so does the severity of it (some people with spina bifida do not have much or any damage to the spinal *cord*, most do) - this is somewhat similar to people whose spine is damaged in an accident. But people with cerebral palsy and many other conditions affecting their ability to stand and walk will similarly end up with pretty underdeveloped muscles in their lower half if they have never walked, so you can't (and shouldn't try to) guess.
If enough of the spine is affected to make someone be a wheelchair user then there is a chance that the nerves in charge of the bowel are also affected, but it varies a LOT. If the reason for being a wheelchair user is not to do with the spinal cord then it probably won't have any impact on continence.
But the other thing is just that you don't just 'have no control of your bowels' - if you cannot feel when you need to go and/or do not have full control of the relevant muscles, then you will learn techniques to manage this in early childhood. Those vary widely as obviously it's incredibly individual and personal, but the relevant bit is that pretty much everybody has bowel control *somehow*, even if the method of that control involves a suppository or whatever as part of their morning routine. Nobody is gonna go to work and chance having their body autonomously decide to take a dump without consulting them first!
Some reduced nervous impulse to her legs, but only in certain areas. Has feeling in some areas of her feet, but not others. Little to no sensation as far as toileting is concerned.
markmullen said:
Hugo a Gogo said:
carefully and well built engines, built to precise tolerances can be run straight away and will be as good as they will ever be
production line engines may need to 'bed in' first
main area is the cylinder bores and the piston rings, getting them to have a good seal
a lo tof people will insist on 'running-in' because they've always done it, and their father and their grandad alway did it, etc
At main dealers a lot of staff demos are thrashed from day 1 and always seemed to drive better than customers cars which had been mollycoddled. production line engines may need to 'bed in' first
main area is the cylinder bores and the piston rings, getting them to have a good seal
a lo tof people will insist on 'running-in' because they've always done it, and their father and their grandad alway did it, etc
TLandCruiser said:
If the universe was created from a Big Bang where did that take place? And if the universe is constantly expanding, where is it expanding in?
Time and space are properties of our universe, so there's no such thing as a time before the big bang, or space outside the universe. So the big bang occupied the entire universe when it happened, that universe was very small but there was no such thing as outside the universe.I think.
Supersonic Welly said:
How do they dyno run newly rebuilt engines without damaging them?
I thought rebuilt engines couldn't be revved above a certain rpm for X amount of miles?
There is a video on youtube of some CAT bloke commisioning a pair of bow thrusters in a big ole ship. These were big engines, C18's if my memory serves. It pans to the hour meter which reads 0.01 then to the engine load, which reads 100%, so flat out. There are plenty of engines that only ever operate at high idle and will mostly be at or near full load, these don't get run in, just put straight to work. I thought rebuilt engines couldn't be revved above a certain rpm for X amount of miles?
southendpier said:
227bhp said:
After watching todays F1; Has a safety car ever crashed whilst leading a race?
Yes. YouTube has a collection. Search safety car crashes. Iirc I can't remember a specific f1 incedent so maybe there hasn't been one but I'm sure indy cars had one barrelling into a car leaving the pit laneNo F1 though? That would be embarrassing...
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