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Search: Posts Made By: Virtually There
Showing results 1 to 11 of 11
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Forum: The Pacific: General Aviation & Questions
11th Feb 2017, 08:25
Replies: 370
Views: 166,961
Posted By Virtually There

There was a sou'-wester (left crosswind), which...

There was a sou'-wester (left crosswind), which meant he turned through true downwind on to base. It was also a bit gusty at the time. I live up the road from where it happened and we were on our way...
Forum: The Pacific: General Aviation & Questions
5th Feb 2017, 06:28
Replies: 370
Views: 166,961
Posted By Virtually There

That's OK, I have a CPL :} That means I know more...

That's OK, I have a CPL :} That means I know more about physics than Newton. Apparently. After all, he never flew ;)
Forum: The Pacific: General Aviation & Questions
5th Feb 2017, 04:05
Replies: 370
Views: 166,961
Posted By Virtually There

There is not such thing as an INERTIAL MASS....

There is not such thing as an INERTIAL MASS. :ugh: There is just MASS. Good ole Newton came up the relationship - F (Force) = M (mass) x A (acceleration).

(Einstein refined it for relativistic...
Forum: The Pacific: General Aviation & Questions
4th Feb 2017, 15:31
Replies: 370
Views: 166,961
Posted By Virtually There

No-one is saying the laws of physics change from...

No-one is saying the laws of physics change from one frame of reference to another. But there are forces that act on an inertial mass in relation to its position in reference to the earth (and other...
Forum: The Pacific: General Aviation & Questions
4th Feb 2017, 08:18
Replies: 370
Views: 166,961
Posted By Virtually There

ZI9T5m2eRJo OK, megan posted this in another...

ZI9T5m2eRJo

OK, megan posted this in another thread. IMO, it appears to be exactly what happened on Australia Day.

In defence of this thread, if we can't learn from others' mistakes, we're...
Forum: The Pacific: General Aviation & Questions
4th Feb 2017, 08:03
Replies: 370
Views: 166,961
Posted By Virtually There

It's true that inertial mass can be framed in...

It's true that inertial mass can be framed in terms of the earth's rotational axis - I concede your point. However, both the aircraft and its supporting air mass are subject to the same forces...
Forum: The Pacific: General Aviation & Questions
4th Feb 2017, 04:20
Replies: 370
Views: 166,961
Posted By Virtually There

So you have two bomb shaped objects of identical...

So you have two bomb shaped objects of identical shape. One is made of graphene and filled with feather fibres (ie really light) the other normal alloys and explody-bits in the middle.

Both...
Forum: The Pacific: General Aviation & Questions
3rd Feb 2017, 17:18
Replies: 370
Views: 166,961
Posted By Virtually There

Except the aircraft eventually does change...

Except the aircraft eventually does change direction with the changing air mass, and not the other way around. After all, the air mass is supporting the aircraft - not vice versa.

Imagine a...
Forum: The Pacific: General Aviation & Questions
3rd Feb 2017, 12:03
Replies: 370
Views: 166,961
Posted By Virtually There

Neither. In target shooting, it's all about...

Neither. In target shooting, it's all about ballistic coefficient vs velocity - and nothing to do with mass.

Once fired, a projectile's BC (and longitudinal axis stability, which affects BC) -...
Forum: The Pacific: General Aviation & Questions
30th Jan 2017, 02:16
Replies: 370
Views: 166,961
Posted By Virtually There

The "parcel of air" theory is all good and well...

The "parcel of air" theory is all good and well until that parcel of air gusts, wanes, rises, sinks, sheers, or otherwise changes direction and speed - usually close to the ground. Gravity is a...
Forum: The Pacific: General Aviation & Questions
28th Jan 2017, 04:36
Replies: 370
Views: 166,961
Posted By Virtually There

Ailerons full hard right.

Ailerons full hard right.
Showing results 1 to 11 of 11


 
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